Standard No.:	GB/T 4324.12-2012
English Name:	Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry
Chinese Name:	钨化学分析方法 第12部分：硅量的测定 氯化-钼蓝分光光度法
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:	2012-12-31
Implemented on:	2013-10-1
Status:	valid
Superseding:	GB/T 4324.12-1984 Methods for chemical analysis of tungsten - The chloritization-molybdenum blue photometric method for the determination of silicon content
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

本部分规定了钨粉、钨条、三氧化钨、蓝钨、紫钨、碳化钨、钨酸、仲钨酸铵、偏钨酸铵中硅量的测定方法。
本部分适用于钨粉、钨条、三氧化钨、蓝钨、紫钨、碳化钨、钨酸、仲钨酸铵、偏钨酸铵中硅量的测定。
测定范围为0.0004%~0.030%。