Methods for chemical analysis of Tantalum and Niobium ores-Determination of Niobium content-Preconcentration and separation with silica gel-Thiocyanate extraction photometric method

Chinese Classification Professional Classification ICS Classification Latest News

GB/T 17415.2-1998 Methods for chemical analysis of Tantalum and Niobium ores-Determination of Niobium content-Preconcentration and separation with silica gel-Thiocyanate extraction photometric method
Standard No.:	GB/T 17415.2-1998	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	2000 words	Price(USD):	60 (USD) remind me the price change Email:
Implemented on:	1999-01-01	Delivery:	via email in 1-3 business day
Purchase steps: 1 - Add shopping cart → 2 - My shopping cart → 3 - Login → 4 - Invoice information → 5 - Checkout

Standard No.:	GB/T 17415.2-1998
Chinese Name:	钽矿石、铌矿石化学分析方法硅胶富集分离-硫氰酸盐萃取光度法测定铌量
English Name:	Methods for chemical analysis of Tantalum and Niobium ores-Determination of Niobium content-Preconcentration and separation with silica gel-Thiocyanate extraction photometric method
Professional Classification:	D43 Rare metal ore
Professional Classification:	GB National Standard
ICS Classification:	73.060
Issued by:
Issued on:	1998-06-17
Implemented on:	1999-01-01
Status:	ABOLISHED
Replace By:	GB/T17415.2-2010 Methods for chemical analysis of tantalum and niobium ores—Part 2:Determination of niobium content
Replace By Date:	2011-02-01
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	60 (USD)
Delivery:	via email in 1-3 business day

GB/T 17415.2-1998 The following standards are cited：

GB/T 17415.2-1998 Cited by the following standards：

Tel：+86-10-8572 5655 Fax：+86-10-8581 9515 Email: coc@codeofchina.com QQ: 672269886