GB/T 12689.11-2004
ActiveThe methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method
锌及锌合金化学分析方法 镧、铈合量的测定 三溴偶氮胂分光光度法
📋 Scope / 适用范围 ai_extracted
本部分规定了锌及锌合金中斓 .饰合量的测定方法。 本部分适用于锌及锌合金中斓、柿合量的测定。测定范围:0.005 0%--0. 20%,
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