Standard No.:	GB/T 6150.2-2008
English Name:	Methods for chemical analysis of tungsten concentrates—Determination of tin content—The potassium iodate volumetry and hydrogenate atomic absorption spectrometry
Chinese Name:	钨精矿化学分析方法 锡量的测定 碘酸钾容量法和氢化物原子吸收光谱法
Chinese Classification:	H63    Rare refractory metals and their compounds
Professional Classification:	GB    National Standard
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Issued by:	AQSIQ; SAC
Issued on:	2008-06-17
Implemented on:	2008-12-1
Status:	superseded
Superseded by:	GB/T 6150.2-2022
Superseded on:	2023-2-1
Superseding:	GB/T 6150.3-1985 Methods for chemical analysis of tungsten concentrates--The salicylfluorone-tetradecyl pyridine chloride photometric method for the determination of tin content GB/T 6150.2-1985 Methods for chemical analysis of tungsten concentrates--The potassium iodate volumetric method for the determination of tin content
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

ＧＢ／Ｔ６１５０《钨精矿化学分析方法》分为１７部分,本部分为ＧＢ／Ｔ６１５０的第２部分。本部分代替ＧＢ／Ｔ６１５０．２—１９８５《钨精矿化学分析方法　碘酸钾容量法测定锡量》和ＧＢ／Ｔ６１５０．３—１９８５《钨精矿化学分析方法　水杨基荧光酮氯化十四烷基吡啶光度法测定锡量》。本方法规定了钨精矿中锡含量的测定方法。本方法适用于钨精矿中锡含量的测定。测定范围（质量分数）：0.20％～2.0％。 本部分与ＧＢ／Ｔ６１５０．２—１９８５和ＧＢ／Ｔ６１５０．３—１９８５相比主要变化如下：
———以氢化物原子吸收光谱法代替光度法；
———增加了重复性限条款。