Rare-earth metals and their oxides--Determination of thorium content--Arsenazo Ⅲ spectrophotometric method

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GB/T 12690.15-1990 Rare-earth metals and their oxides--Determination of thorium content--Arsenazo Ⅲ spectrophotometric method
Standard No.:	GB/T 12690.15-1990	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	1500 words	Price(USD):	45 (USD) remind me the price change Email:
Implemented on:	1992-01-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB/T 12690.15-1990
Chinese Name:	稀土金属及其氧化物化学分析方法偶氮胂Ⅲ分光光度法测定钍量
English Name:	Rare-earth metals and their oxides--Determination of thorium content--Arsenazo Ⅲ spectrophotometric method
Professional Classification:	H14 Rare metals and their alloys analysis method
Professional Classification:	GB National Standard
ICS Classification:	77.120.70
Issued by:
Issued on:	1990-12-30
Implemented on:	1992-01-01
Status:	ABOLISHED
Replace By:	GB/T12690.12-2003 Neodymium and samarium-Determination of oxygen content-Impulse-infrared absorption method
Replace By Date:	2004-06-01
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	45 (USD)
Delivery:	via email in 1-3 business day

GB/T 12690.15-1990 The following standards are cited：

GB/T 12690.15-1990 Cited by the following standards：

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