Standard No.:	YS/T 509.4-2008
English Name:	Methods for chemical analysis of spodumene and lepidolite concentrates-Determination of aluminum oxide content-EDTA compleximetric method
Chinese Name:	锂辉石、锂云母精矿化学分析方法 三氧化二铝量的测定 EDTA络合滴定法
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 509.4-2006 Methods for chemical analysis of sqodumenite and lepidolite concentrates The EDTA volumetric method for the determination of aluminum oxide 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、锂云母精矿中三氧化二铝含量的测定方法。
本部分适用于锂辉石、锂云母精矿中三氧化二铝含量的测定。测定范围：10.00%~30.00%。
本部分代替YS/T509.4-2006《锂辉石、锂云母精矿化学分析方法 EDTA 络合滴定法测定三氧化二铝量》(原GB/T3885.4-1983)。
本部分与YS/T509.4-2006相比主要有如下变动:
---将铅标准溶液、三氧化二铝的滴定度(犜)改为物质的量浓度;
---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。