{"id":225,"date":"2026-04-27T08:58:39","date_gmt":"2026-04-27T08:58:39","guid":{"rendered":"https:\/\/gindtay.com\/?p=225"},"modified":"2026-04-27T08:58:43","modified_gmt":"2026-04-27T08:58:43","slug":"4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89","status":"publish","type":"post","link":"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/","title":{"rendered":"4N\u5bfe5N\u30af\u30a9\u30fc\u30c4\u30d1\u30a6\u30c0\u30fc\uff1a\u8cfc\u5165\u524d\u306b\u7d14\u5ea6\u30b0\u30ec\u30fc\u30c9\u3092\u7406\u89e3\u3059\u308b"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u9ad8\u7d14\u5ea6\u306e\u77f3\u82f1\u7c89\u672b\u306e\u8abf\u9054\u306b\u4e0d\u6163\u308c\u306a\u5834\u5408\u3001\u30b0\u30ec\u30fc\u30c9\u8868\u8a18\u30b7\u30b9\u30c6\u30e0\u306f\u6df7\u4e71\u3092\u62db\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4f9b\u7d66\u696d\u8005\u306f4N\u30015N\u30015N2\u30015N5\u30015N7\u306a\u3069\u3092\u5f15\u7528\u3057\u3001\u3057\u3070\u3057\u3070\u3053\u308c\u3089\u306e\u6570\u5b57\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3001\u307e\u305f\u306a\u305c\u3042\u308b\u30b0\u30ec\u30fc\u30c9\u304c\u4ed6\u306e\u30b0\u30ec\u30fc\u30c9\u3088\u308a\u3082\u5927\u5e45\u306b\u9ad8\u4fa1\u3067\u3042\u308b\u306e\u304b\u3092\u8aac\u660e\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u7d14\u5ea6\u30b0\u30ec\u30fc\u30c9\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u672c\u304b\u3089\u8aac\u660e\u3057\u30014N\u30685N\u6750\u6599\u306e\u5b9f\u969b\u306e\u9055\u3044\u3001\u305d\u3057\u3066\u3042\u306a\u305f\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u30b0\u30ec\u30fc\u30c9\u3092\u3069\u306e\u3088\u3046\u306b\u6c7a\u5b9a\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u306e\u5207\u308a\u66ff\u3048\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u308a\u66ff\u3048<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#What_the_N_Notation_Means\" >N\u8868\u8a18\u306e\u610f\u5473<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Why_the_Difference_Between_4N_and_5N_Matters_in_Practice\" >4N\u30685N\u306e\u9055\u3044\u304c\u5b9f\u969b\u306b\u91cd\u8981\u306a\u7406\u7531<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#4N_Grade_What_It_Is_Good_For\" >4N\u30b0\u30ec\u30fc\u30c9\uff1a\u4f55\u306b\u5f79\u7acb\u3064\u306e\u304b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#5N_Grade_Where_the_Jump_Is_Justified\" >5N\u30b0\u30ec\u30fc\u30c9\uff1a\u30b8\u30e3\u30f3\u30d7\u304c\u6b63\u5f53\u5316\u3055\u308c\u308b\u5834\u6240<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#The_Most_Common_Grading_Mistakes\" >\u6700\u3082\u4e00\u822c\u7684\u306a\u63a1\u70b9\u30df\u30b9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Using_Grade_Labels_Without_Individual_Element_Data\" >\u500b\u5225\u8981\u7d20\u30c7\u30fc\u30bf\u306a\u3057\u3067\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Specifying_a_Higher_Grade_Than_Your_Application_Requires\" >\u7533\u8acb\u306b\u5fc5\u8981\u306a\u3088\u308a\u9ad8\u3044\u30b0\u30ec\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Treating_All_5N_Suppliers_as_Equivalent\" >\u3059\u3079\u3066\u306e5N\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u540c\u7b49\u306b\u6271\u3046<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Ignoring_OH_Content_Because_It_Is_Not_in_the_Grade_Definition\" >\u30b0\u30ec\u30fc\u30c9\u5b9a\u7fa9\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001OH\u542b\u91cf\u3092\u7121\u8996\u3059\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#How_to_Match_Grade_to_Application_A_Quick_Reference\" >\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5408\u308f\u305b\u305f\u30b0\u30ec\u30fc\u30c9\u306e\u30de\u30c3\u30c1\u30f3\u30b0\u65b9\u6cd5\uff1a\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Gindtays_Grade_Portfolio\" >\u30ae\u30f3\u30c6\u30a4\u306e\u30b0\u30ec\u30fc\u30c9\u30fb\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/gindtay.com\/ja\/4n%e5%af%be5n%e7%9f%b3%e8%8b%b1%e7%b2%89%e6%9c%ab%e7%b4%94%e5%ba%a6%e3%82%b0%e3%83%ac%e3%83%bc%e3%83%89%e3%82%ac%e3%82%a4%e3%83%89\/#Summary\" >\u8981\u7d04<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_the_N_Notation_Means\"><\/span>N\u8868\u8a18\u306e\u610f\u5473<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4N\u304a\u3088\u30735N\u306eN\u306f\u300c\u30ca\u30a4\u30f3\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6750\u6599\u306eSiO\u2082\u7d14\u5ea6\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b\u30ca\u30a4\u30f3\u306e\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>4N = 99.99%<\/strong> SiO\u2082\u306e\u7d14\u5ea6\u3002\u5c0f\u6570\u70b9\u4ee5\u4e0b\u56db\u6841\u3002<\/li>\n\n\n\n<li><strong>5N = 99.999%<\/strong> SiO\u2082\u306e\u7d14\u5ea6\u3002\u4e94\u4e5d\u3002<\/li>\n\n\n\n<li><strong>6N = 99.9999%<\/strong> SiO\u2082\u306e\u7d14\u5ea6\u3002\u516d\u4e5d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u306e\u8868\u8a18\u306f\u3001N\u306e\u5f8c\u306b\u6570\u5b57\u3092\u8ffd\u52a0\u3057\u3066\u3001\u305d\u306e\u7d14\u5ea6\u968e\u5c64\u5185\u3067\u6750\u6599\u304c\u3069\u3053\u306b\u4f4d\u7f6e\u3059\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>5N2 = 99.992%<\/strong><\/li>\n\n\n\n<li><strong>5N5 = 99.995%<\/strong><\/li>\n\n\n\n<li><strong>5N7 = 99.9997%<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">99.99%\u306899.999%\u306e\u9055\u3044\u306f0.009\u30d1\u30fc\u30bb\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u4e0d\u7d14\u7269\u30ec\u30d9\u30eb\u3068\u3057\u3066\u66f8\u304f\u3068\u30014N\u6750\u6599\u306f\u6700\u5927100ppm\u306e\u7dcf\u975eSiO\u2082\u6750\u6599\u3092\u542b\u307f\u307e\u3059\u30025N\u6750\u6599\u306f\u6700\u592710ppm\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u306e\u7dcf\u4e0d\u7d14\u7269\u542b\u91cf\u306e10\u500d\u306e\u524a\u6e1b\u304c\u30012\u3064\u306e\u30b0\u30ec\u30fc\u30c9\u9593\u306e\u6839\u672c\u7684\u306a\u30ae\u30e3\u30c3\u30d7\u3067\u3042\u308a\u3001\u305d\u308c\u304c\u4e21\u8005\u306e\u9593\u306e\u5927\u304d\u306a\u4fa1\u683c\u5dee\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_the_Difference_Between_4N_and_5N_Matters_in_Practice\"><\/span>4N\u30685N\u306e\u9055\u3044\u304c\u5b9f\u969b\u306b\u91cd\u8981\u306a\u7406\u7531<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b0\u30ec\u30fc\u30c9\u756a\u53f7\u306f\u6750\u6599\u306e\u30d0\u30eb\u30af\u7d14\u5ea6\u3092\u793a\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u306e\u306f\u3001\u62bd\u8c61\u7684\u306a\u7dcf\u4e0d\u7d14\u7269\u30ec\u30d9\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4e0b\u6d41\u306e\u30d7\u30ed\u30bb\u30b9\u3084\u88fd\u54c1\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7279\u5b9a\u306e\u5143\u7d20\u306e\u6fc3\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u8981\u7d20\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u534a\u5c0e\u4f53\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306f\u30b7\u30ea\u30b3\u30f3\u306ep\u578b\u30c9\u30fc\u30d1\u30f3\u30c8\u3067\u3042\u308b\u305f\u3081\u3001\u6700\u3082\u91cd\u8981\u306a\u4e0d\u7d14\u7269\u3067\u3059\u3002\u77f3\u82f1\u308b\u3064\u307c\u3084\u90e8\u54c1\u304b\u3089\u306e\u5fae\u91cf\u306e\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u6c5a\u67d3\u3067\u3055\u3048\u3001\u30b7\u30ea\u30b3\u30f3\u30a6\u30a8\u30cf\u306e\u62b5\u6297\u7387\u3092\u898f\u683c\u5916\u306b\u30b7\u30d5\u30c8\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9244\u3084\u9077\u79fb\u91d1\u5c5e\u306f\u30b7\u30ea\u30b3\u30f3\u5185\u306b\u96fb\u5b50\u6b20\u9665\u3092\u751f\u3058\u3055\u305b\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u6b69\u7559\u307e\u308a\u3068\u4fe1\u983c\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002\u30a2\u30eb\u30ab\u30ea\u91d1\u5c5e\u3001\u7279\u306b\u30ca\u30c8\u30ea\u30a6\u30e0\u3068\u30ab\u30ea\u30a6\u30e0\u306f\u79fb\u52d5\u6027\u306e\u30a4\u30aa\u30f3\u3067\u3042\u308a\u3001\u5b8c\u6210\u3057\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u30b2\u30fc\u30c8\u9178\u5316\u819c\u306e\u5b8c\u5168\u6027\u3092\u52a3\u5316\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7528\u9014\u306b\u304a\u3044\u3066\u3001\u6c34\u9178\u57fa\u306e\u542b\u6709\u91cf\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u4e3b\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3059\u3002OH\u57fa\u306f\u8d64\u5916\u7dda\u5438\u53ce\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u5b8c\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4fe1\u53f7\u640d\u5931\u3092\u5897\u52a0\u3055\u305b\u307e\u3059\u3002\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306f\u30d7\u30ea\u30d5\u30a9\u30fc\u30e0\u306e\u5c48\u6298\u7387\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Q-cloth\u304a\u3088\u3073CCL\u57fa\u677f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u8a98\u96fb\u7387\u306e\u5b89\u5b9a\u6027\u306b\u5bfe\u3059\u308b\u7d14\u5ea6\u306e\u76f8\u4e57\u52b9\u679c\u3067\u3059\u3002\u6570ppm\u3092\u8d85\u3048\u308b\u91d1\u5c5e\u4e0d\u7d14\u7269\u306f\u3001\u6700\u7d42\u7684\u306a\u30e9\u30df\u30cd\u30fc\u30c8\u306b\u304a\u3044\u3066Dk\u304a\u3088\u3073Df\u306e\u5909\u52d5\u3068\u3057\u3066\u73fe\u308c\u308b\u65b9\u6cd5\u3067\u3001\u878d\u89e3\u30b7\u30ea\u30ab\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u8a98\u96fb\u7279\u6027\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u59cb\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u7684\u306a\u610f\u5473\u306f\u3001N\u30b0\u30ec\u30fc\u30c9\u304c\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u306e\u4f1a\u8a71\u306e\u6709\u7528\u306a\u51fa\u767a\u70b9\u3067\u3042\u308b\u4e00\u65b9\u3067\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u5bfe\u3057\u3066\u6750\u6599\u3092\u5b9f\u969b\u306b\u9069\u683c\u307e\u305f\u306f\u4e0d\u9069\u683c\u306b\u3059\u308b\u306e\u306f\u500b\u3005\u306e\u8981\u7d20\u4ed5\u69d8\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4N_Grade_What_It_Is_Good_For\"><\/span>4N\u30b0\u30ec\u30fc\u30c9\uff1a\u4f55\u306b\u5f79\u7acb\u3064\u306e\u304b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">99.99% SiO\u2082\u306e\u7d14\u5ea6\u3092\u6301\u3061\u3001\u5408\u8a08\u4e0d\u7d14\u7269\u304c100 ppm\u672a\u6e80\u306e4N\u30af\u30a9\u30fc\u30c4\u30d1\u30a6\u30c0\u30fc\u306f\u3001\u5316\u5b66\u7684\u8010\u6027\u3001\u71b1\u7684\u5b89\u5b9a\u6027\u3001\u5149\u5b66\u7684\u660e\u77ad\u6027\u3092\u5fc5\u8981\u3068\u3059\u308b\u5e45\u5e83\u3044\u7523\u696d\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u534a\u5c0e\u4f53\u3084\u9ad8\u5ea6\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u7528\u9014\u306e\u5fae\u91cf\u4e0d\u7d14\u7269\u7ba1\u7406\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4N\u6750\u6599\u306e\u4e3b\u306a\u7528\u9014\u306b\u306f\u3001\u5149\u8d77\u96fb\u529bCZ\u92f3\u578b\u306e\u5916\u5c64\u304a\u3088\u3073\u4e2d\u9593\u69cb\u9020\u5c64\u3001\u7279\u6b8a\u30ac\u30e9\u30b9\u304a\u3088\u3073\u7167\u660e\u90e8\u54c1\u3001\u5b9f\u9a13\u5ba4\u7528\u30ac\u30e9\u30b9\u5668\u5177\u304a\u3088\u3073\u5bb9\u5668\u3001\u9ad8\u6e29\u7523\u696d\u7528\u9014\u306b\u304a\u3051\u308b\u8010\u706b\u5145\u586b\u6750\u3001\u4f4e\u8a98\u96fb\u6027\u80fd\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044PCB\u57fa\u677f\u7528\u306e\u6a19\u6e96\u96fb\u5b50\u30ac\u30e9\u30b9\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4N\u6750\u6599\u306f\u4e16\u754c\u4e2d\u306e\u591a\u304f\u306e\u4f9b\u7d66\u8005\u304b\u3089\u5165\u624b\u53ef\u80fd\u3067\u3042\u308a\u30015N+\u30b0\u30ec\u30fc\u30c9\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u4f4e\u4fa1\u683c\u3067\u3059\u3002\u3082\u3057\u3042\u306a\u305f\u306e\u7528\u9014\u304c\u672c\u5f53\u306b4N\u306e\u7d14\u5ea6\u3060\u3051\u3092\u5fc5\u8981\u3068\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u30015N\u6750\u6599\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u4e0d\u5fc5\u8981\u306a\u30b3\u30b9\u30c8\u3067\u3059\u3002\u8cc7\u683c\u53d6\u5f97\u306e\u52aa\u529b\u306f\u3088\u308a\u9ad8\u304f\u3001\u6750\u6599\u306f\u3088\u308a\u9ad8\u4fa1\u3067\u3001\u4f9b\u7d66\u5143\u3082\u72ed\u304f\u306a\u308a\u3001\u3082\u3057\u3042\u306a\u305f\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u8ffd\u52a0\u306e\u7d14\u5ea6\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u6027\u80fd\u4e0a\u306e\u5229\u70b9\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5N_Grade_Where_the_Jump_Is_Justified\"><\/span>5N\u30b0\u30ec\u30fc\u30c9\uff1a\u30b8\u30e3\u30f3\u30d7\u304c\u6b63\u5f53\u5316\u3055\u308c\u308b\u5834\u6240<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4N\u304b\u30895N\u3078\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u5358\u306a\u308b\u7d14\u5ea6\u306e\u6570\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u8cea\u7684\u306b\u7570\u306a\u308b\u751f\u7523\u30d7\u30ed\u30bb\u30b9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u8cab\u3057\u305f5N+\u306e\u7d14\u5ea6\u3092\u9054\u6210\u3059\u308b\u306b\u306f\u3001\u7279\u6027\u304c\u660e\u78ba\u306b\u3055\u308c\u305f\u9271\u77f3\u6e90\u304b\u3089\u306e\u539f\u6750\u6599\u9078\u5b9a\u3001\u5236\u5fa1\u3055\u308c\u305f\u5316\u5b66\u6761\u4ef6\u3067\u306e\u9178\u6d78\u51fa\u3092\u542b\u3080\u591a\u6bb5\u968e\u306e\u7cbe\u88fd\u3001\u305d\u3057\u3066\u591a\u304f\u306e\u5834\u5408\u3001OH\u542b\u91cf\u306b\u654f\u611f\u306a\u7528\u9014\u306e\u305f\u3081\u306e\u8131\u6c34\u9178\u5316\u30b9\u30c6\u30c3\u30d7\u304c\u5fc5\u8981\u3067\u3059\u3002\u5fc5\u8981\u306a\u751f\u7523\u30a4\u30f3\u30d5\u30e9\u306f\u30014N\u6750\u6599\u306b\u6bd4\u3079\u3066\u5927\u5e45\u306b\u8907\u96d1\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5N\u30b0\u30ec\u30fc\u30c9\u306e\u6750\u6599\u306f\u3001\u5fae\u91cf\u306e\u6c5a\u67d3\u304c\u6e2c\u5b9a\u53ef\u80fd\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u7528\u9014\u306b\u5fc5\u8981\u3067\u3059\u3002\u534a\u5c0e\u4f53CZ\u308b\u3064\u307c\u306e\u5185\u5c64\u306b\u306f\u3001\u308b\u3064\u307c\u304b\u3089\u306e\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u6c5a\u67d3\u304c\u30b7\u30ea\u30b3\u30f3\u6eb6\u878d\u7269\u3092\u76f4\u63a5\u30c9\u30fc\u30d7\u3059\u308b\u305f\u3081\u30015N5+\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002Q\u30af\u30ed\u30b9\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f15\u304d\u51fa\u3057\u306b\u306f\u3001\u5b8c\u6210\u3057\u305f\u5e03\u306e\u8a98\u96fb\u6027\u80fd\u304c1ppm\u672a\u6e80\u306e\u91d1\u5c5e\u4e0d\u7d14\u7269\u30ec\u30d9\u30eb\u306b\u654f\u611f\u3067\u3042\u308b\u305f\u3081\u30015N5+\u30d5\u30a3\u30fc\u30c9\u30b9\u30c8\u30c3\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002\u4f4e\u6c34\u30d4\u30fc\u30af\u901a\u4fe1\u30d5\u30a1\u30a4\u30d0\u30fc\u7528\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30d7\u30ea\u30d5\u30a9\u30fc\u30e0\u306b\u306f\u3001OH\u542b\u91cf\u304c\u5236\u5fa1\u3055\u308c\u305f5N\u304b\u30895N5\u306e\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4f1d\u9001\u30a6\u30a3\u30f3\u30c9\u30a6\u306f\u6c34\u9178\u57fa\u306e\u5438\u53ce\u306b\u5f71\u97ff\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5N\u30c6\u30a3\u30a2\u5185\u3067\u306f\u3001\u30b5\u30d6\u30b0\u30ec\u30fc\u30c9\u304c\u6750\u6599\u3092\u7528\u9014\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30b0\u30ec\u30fc\u30c9<\/th><th>SiO\u2082\u7d14\u5ea6<\/th><th>\u5178\u578b\u7684\u306a\u7dcf\u4e0d\u7d14\u7269<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td>5N2<\/td><td>99.992%<\/td><td>&lt; 8 ppm<\/td><td>\u7279\u6b8a\u30ac\u30e9\u30b9\u3001\u7167\u660e\u3001\u5149\u8d77\u96fb\u529b\u7528\u308b\u3064\u307c\u4e2d\u9593\u5c64\u3001\u6a19\u6e96\u5149\u30d5\u30a1\u30a4\u30d0\u30fc<\/td><\/tr><tr><td>5N5<\/td><td>99.995%<\/td><td>&lt; 5 ppm<\/td><td>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30d7\u30ea\u30d5\u30a9\u30fc\u30e0\u3001\u9ad8\u7d1a\u30bb\u30e9\u30df\u30c3\u30af\u30b9\u3001\u592a\u967d\u5149\u767a\u96fb\u7528\u308b\u3064\u307c\u5185\u5c64<\/td><\/tr><tr><td>5N5+<\/td><td>99.9995%+<\/td><td>&lt; 0.5 ppm<\/td><td>\u534a\u5c0e\u4f53\u5769\u57da\u5185\u5c64\u3001Q\u5e03\u3001\u9ad8\u5ea6\u306aPCB\u57fa\u677f<\/td><\/tr><tr><td>5N7<\/td><td>99.9997%<\/td><td>&lt; 0.3 ppm<\/td><td>\u5148\u9032\u534a\u5c0e\u4f53\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30d0\u30fc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Most_Common_Grading_Mistakes\"><\/span>\u6700\u3082\u4e00\u822c\u7684\u306a\u63a1\u70b9\u30df\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Using_Grade_Labels_Without_Individual_Element_Data\"><\/span>\u500b\u5225\u8981\u7d20\u30c7\u30fc\u30bf\u306a\u3057\u3067\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3001\u9244\u3001\u30a2\u30eb\u30ab\u30ea\u91d1\u5c5e\u306e\u500b\u5225\u5143\u7d20\u5024\u3092\u63d0\u4f9b\u305b\u305a\u306b\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u3092\u5f15\u7528\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u4e0d\u5b8c\u5168\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u30585N2\u3068\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u305f2\u3064\u306e\u30d0\u30c3\u30c1\u306f\u30011\u3064\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u9271\u77f3\u306b\u7d50\u6676\u683c\u5b50\u306b\u7d50\u3073\u3064\u3044\u305f\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u4ed6\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3088\u308a\u3082\u591a\u3044\u5834\u5408\u3001\u975e\u5e38\u306b\u7570\u306a\u308b\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u542b\u6709\u91cf\u3092\u6301\u3064\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u306fSiO\u2082\u306e\u5272\u5408\u306e\u4e0b\u9650\u3092\u793a\u3057\u307e\u3059\u3002\u500b\u5225\u5143\u7d20\u30c7\u30fc\u30bf\u306f\u3001\u6750\u6599\u304c\u5b9f\u969b\u306b\u3042\u306a\u305f\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u9069\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specifying_a_Higher_Grade_Than_Your_Application_Requires\"><\/span>\u7533\u8acb\u306b\u5fc5\u8981\u306a\u3088\u308a\u9ad8\u3044\u30b0\u30ec\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p 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class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Treating_All_5N_Suppliers_as_Equivalent\"><\/span>\u3059\u3079\u3066\u306e5N\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u540c\u7b49\u306b\u6271\u3046<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u5168\u4f53\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u30015N\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u306f\u7d14\u5ea6\u306e\u6700\u4f4e\u57fa\u6e96\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u5b8c\u5168\u306a\u4ed5\u69d8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c\u5e38\u306b0.2 ppm\u306e5N2\u6750\u6599\u3092\u63d0\u4f9b\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c0.5 ppm\u304b\u30897 ppm\u306e\u9593\u3067\u5909\u52d5\u3059\u308b5N2\u6750\u6599\u3092\u63d0\u4f9b\u3059\u308b\u5225\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u6280\u8853\u7684\u306b\u306f\u30b0\u30ec\u30fc\u30c9\u306e\u6307\u5b9a\u5185\u306b\u3042\u308a\u307e\u3059\u304c\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306b\u654f\u611f\u306a\u7528\u9014\u306b\u5bfe\u3057\u3066\u540c\u7b49\u306e\u6750\u6599\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b0\u30ec\u30fc\u30c9\u30e9\u30d9\u30eb\u306f\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u306e\u4f1a\u8a71\u306e\u51fa\u767a\u70b9\u3067\u3042\u308a\u3001\u30d0\u30c3\u30c1\u30ec\u30d9\u30eb\u306e\u30c7\u30fc\u30bf\u30ec\u30d3\u30e5\u30fc\u306e\u4ee3\u66ff\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_OH_Content_Because_It_Is_Not_in_the_Grade_Definition\"><\/span>\u30b0\u30ec\u30fc\u30c9\u5b9a\u7fa9\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001OH\u542b\u91cf\u3092\u7121\u8996\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u30b0\u30ec\u30fc\u30c9\u30b7\u30b9\u30c6\u30e0\u306fSiO\u2082\u306e\u5316\u5b66\u7684\u7d14\u5ea6\u3092\u793a\u3057\u307e\u3059\u304c\u3001\u6c34\u9178\u57fa\u542b\u91cf\u306b\u3064\u3044\u3066\u306f\u4f55\u3082\u8a00\u53ca\u3057\u3066\u3044\u307e\u305b\u3093\u3002OH\u542b\u91cf\u304c\u5236\u5fa1\u3055\u308c\u3066\u3044\u306a\u30445N5\u6750\u6599\u306f\u3001\u898b\u304b\u3051\u4e0a\u306e\u7d14\u5ea6\u306b\u95a2\u4fc2\u306a\u304f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3084\u534a\u5c0e\u4f53\u306e\u71b1\u7528\u9014\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u9ad8\u6e29\u51e6\u7406\u3084\u5149\u5b66\u6027\u80fd\u8981\u4ef6\u3092\u4f34\u3046\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u306f\u3001\u30b0\u30ec\u30fc\u30c9\u306e\u6307\u5b9a\u3068\u306f\u5225\u306bOH\u542b\u91cf\u3092\u5e38\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Match_Grade_to_Application_A_Quick_Reference\"><\/span>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5408\u308f\u305b\u305f\u30b0\u30ec\u30fc\u30c9\u306e\u30de\u30c3\u30c1\u30f3\u30b0\u65b9\u6cd5\uff1a\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u30b0\u30ec\u30fc\u30c9\u304c\u4e0d\u660e\u306a\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u6700\u3082\u4e00\u822c\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u6210\u719f\u30d7\u30ed\u30bb\u30b9\u30ce\u30fc\u30c9\uff0828nm\u4ee5\u4e0a\uff09\u306e\u534a\u5c0e\u4f53\u7089\u5fc3\u5185\u5c64\u306b\u306f\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u304c0.5 ppm\u672a\u6e80\u3001\u7dcf\u30a2\u30eb\u30ab\u30ea\u304c1 ppm\u672a\u6e80\u306e5N5\u304b\u30895N5+\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p 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id=\"Gindtays_Grade_Portfolio\"><\/span>\u30ae\u30f3\u30c6\u30a4\u306e\u30b0\u30ec\u30fc\u30c9\u30fb\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p 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you are new to sourcing high-purity quartz powder, the grade notation system can be confusing. Suppliers quote 4N, 5N, 5N2, 5N5, 5N7, and variations in between, often without explaining what these numbers mean or why one grade costs significantly more than another. This guide explains the purity grade system from the ground up, what&hellip;","_links":{"self":[{"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/posts\/225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/comments?post=225"}],"version-history":[{"count":1,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/posts\/225\/revisions"}],"predecessor-version":[{"id":226,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/posts\/225\/revisions\/226"}],"wp:attachment":[{"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/media?parent=225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/categories?post=225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gindtay.com\/ja\/wp-json\/wp\/v2\/tags?post=225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}