Standard No.:	YS/T 509.3-2008
English Name:	Methods for chemical analysis of spodumene and lepidolite concentrates-Determination of silicon dioxide content-Gravimetric-molybdenum blue photometric method
Chinese Name:	锂辉石、锂云母精矿化学分析方法 二氧化硅量的测定 重量-钼蓝分光光度法
Chinese Classification:	H64    Rare light metals and their alloys
Professional Classification:	YS    Professional Standard - Non-ferrous Metal
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Source Content Issued by:	NDRC
Issued on:	2008-3-12
Implemented on:	2008-9-1
Status:	valid
Superseding:	YS/T 509.3-2006 Methods for chemical analysis of sqodumenite and lepidolite concentrates The grayimetric-molybdenum blue photometric method for the determination of silicon dioxide content
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	140.0
Delivery:	via email in 1~3 business day

本部分规定了锂辉石、锂云母精矿中二氧化硅含量的测定方法。
本部分适用于锂辉石、锂云母精矿中二氧化硅含量的测定。测定范围：＞50%。
本部分代替YS/T509.3-2006《锂辉石、锂云母精矿化学分析方法 重量钼蓝光度法测定二氧化硅量》(原GB/T3885.3-1983)。
本部分与YS/T509.3-2006相比主要有如下变动:
---将6.4.7中干燥灰化改为在电炉上灰化后;
---对文本格式进行了重新编辑;
---补充了质量保证和控制条款,增加了重复性条款。