{"product_id":"yst575-4-2025","title":"YS\/T 575.4-2025 English PDF (YS\/T575.4-2025)","description":"\u003ch1\u003eYS\/T 575.4-2025: Methods for Chemical Analysis of Bauxite – Part 4: Determination of Iron Oxide Contents\u003c\/h1\u003e\u003cb style=\"font-size:16px;\"\u003eDelivery:\u003c\/b\u003e 9 seconds. Download (and Email) true-PDF + Invoice.\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eGet Quotation:\u003c\/b\u003e Click \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/Cart\/Cart.aspx?YS\/T%20575.4-2025_English\" rel=\"nofollow\"\u003eYS\/T 575.4-2025\u003c\/a\u003e (Self-service in 1-minute)\u003cbr\u003e\u003cb style=\"font-size:16px;\"\u003eNewer \/ historical versions: \u003c\/b\u003e \u003ca style=\"color: blue;\" href=\"https:\/\/www.chinesestandard.net\/PDF.aspx\/YST575.4-2025\"\u003eYS\/T 575.4-2025\u003c\/a\u003e\u003ch2\u003ePreview True-PDF\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.chinesestandard.net\/Preview_PDF.aspx\/YST575.4-2025\" width=\"445\" height=\"600\" title=\"YS\/T 575.4-2025 True-PDF\"\u003e\u003c\/iframe\u003e \u003cbr\u003e\u003ch2\u003eScope\u003c\/h2\u003eThis Document specifies the 1,10-phenanthroline spectrophotometric method and the \u003cbr\u003epotassium dichromate titration method for the determination of ferric oxide content in bauxite. \u003cbr\u003eThis Document is applicable to the determination of ferric oxide content in bauxite. The \u003cbr\u003edetermination range (mass fraction) is 0.20% ~ 15.00% for the 1,10-phenanthroline \u003cbr\u003espectrophotometric method; and \u0026gt;15.00% ~ 40.00% for the potassium dichromate titration \u003cbr\u003emethod. \u003cbr\u003e\u003cbr\u003e\u003ch2\u003eBasic Data\u003c\/h2\u003e\u003ctable id=\"TableTabAbout0\" rules=\"all\" border=\"1\" style=\"font-family:Arial;font-size:Small;\"\u003e  \u003ctr id=\"TableTabRow10\"\u003e     \u003ctd id=\"TableTabCell110\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eStandard ID\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell120\" align=\"center\"\u003e YS\/T 575.4-2025 (YS\/T575.4-2025)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow20\"\u003e     \u003ctd id=\"TableTabCell210\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDescription (Translated English)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell220\" align=\"center\"\u003e (Methods for chemical analysis of bauxite - Part 4: Determination of iron oxide contents)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow30\"\u003e     \u003ctd id=\"TableTabCell310\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSector \/ Industry\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell320\" align=\"center\"\u003e Nonferrous Metallurgy Industry Standard (Recommended)\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow40\"\u003e     \u003ctd id=\"TableTabCell410\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of Chinese Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell420\" align=\"center\"\u003e H30\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow50\"\u003e     \u003ctd id=\"TableTabCell510\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eClassification of International Standard\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell520\" align=\"center\"\u003e 71.040.40\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow60\"\u003e     \u003ctd id=\"TableTabCell610\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Issue\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell620\" align=\"center\"\u003e 2025-08-19\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow70\"\u003e     \u003ctd id=\"TableTabCell710\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eDate of Implementation\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell720\" align=\"center\"\u003e 2026-03-01\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow80\"\u003e     \u003ctd id=\"TableTabCell810\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eOlder Standard (superseded by this standard)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell820\" align=\"center\"\u003e YS\/T 575.4-2007, YS\/T 575.5-2007\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow90\"\u003e     \u003ctd id=\"TableTabCell910\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eIssuing agency(ies)\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell920\" align=\"center\"\u003e Ministry of Industry and Information Technology\u003c\/td\u003e  \u003c\/tr\u003e\n\u003ctr id=\"TableTabRow100\"\u003e     \u003ctd id=\"TableTabCell1010\" align=\"center\" font=\"bold\"\u003e \u003cb\u003eSummary\u003c\/b\u003e \u003c\/td\u003e    \u003ctd id=\"TableTabCell1020\" align=\"center\"\u003e This standard specifies the methods for determining the ferric oxide content in bauxite using the o-phenanthroline spectrophotometric method and the potassium dichromate titration method. This standard is applicable to the determination of ferric oxide content in bauxite.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e","brand":"www.ChineseStandard.us -- Field Test Asia Pte. Ltd.","offers":[{"title":"Default Title","offer_id":54048292667706,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/5737\/1706\/files\/YST575.4-2025EN.1.jpg?v=1789211830","url":"https:\/\/www.chinesestandard.us\/products\/yst575-4-2025","provider":"www.ChineseStandard.us (www.ChineseStandard.net)","version":"1.0","type":"link"}