GB/T 223.66-1989
ActiveMethods for chemical analysis of iron，steel and alloy--The thiocyanate chlorpromazine hydrochloride--chloro form extraction photometric method for the determination of tungsten content
钢铁及合金化学分析方法 硫氰酸盐-盐酸氯丙嗪-三氯甲烷萃取光度法测定钨量
Application Summary AI generated
This standard specifies a chemical analysis method for determining tungsten content in iron, steel, and alloys using thiocyanate, chlorpromazine hydrochloride, and chloroform extraction photometry. It is applied in metallurgical laboratories and quality control settings for the precise measurement of tungsten in ferrous materials, particularly in alloy production and material certification processes.
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