GB/T 12687.7-1990 in English

ABOLISHED

Chemical analysis of nitrate of rare earth for agriculture--Determination of thorum content--Spectrometric method with CL-TBP levextred resin separation

Issued on:1990-01-02
Implemented on:1992-01-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $180.00
$175.00

Standard No:	GB/T 12687.7-1990
Document status:	ABOLISHED
Superseded on:	2004-10-14
Title in English:	Chemical analysis of nitrate of rare earth for agriculture--Determination of thorum content--Spectrometric method with CL-TBP levextred resin separation
Title in Chinese:	农用硝酸稀土化学分析方法 C1-TBP萃淋树脂分离分光光度法测定钍含量
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1990-01-02
Implemented on:	1992-01-01
ICS Classification:	65.080-Fertilizers
Chinese Classification:	H14-Rare metals and their alloys analysis method
Professional Classification:	GB-National Standard
Related Keywords:	agricultural rare earth nitrate rare earth determination range thorum content thorium content
Related Topics:	Extraction resin resin separation Resin Separation Analytical method of nitric acid content Nitric acid content analysis method cl content determination method Nitric acid content analysis method Pesticide Spectrophotometry tbp Spectrophotometric Pesticides Content measurement by spectrophotometry Thorium spectrophotometry Content resolution Nitric acid content analysis method Resin Separation Analysis Extraction and separation of thorium extract Thorium Spectrophotometer GBT12687.7 Rare earth nitrate detection method Nitrate ion spectrophotometer determination method Optical methods for soil nitrate Analytical method resolution requirements Rare earth extraction rate analysis method Methods for improving separation by size exclusion analysis Nitric Acid Concentration Analysis Method

《GB/T 12687.7-1990农用硝酸稀土化学分析方法 Cl-TBP萃淋树脂分离分光光度法测定钍含量》由TC229（全国稀土标准化技术委员会）归口，主管部门为国家发展和改革委员会。
本标准规定了农用硝酸稀土中钍含量的测定方法。本标准适用于农用硝酸稀土中钍含量的测定，测定范围：0.000 1%～0.005%。

Scope

This standard specifies the method for the determination of thorium content in agricultural rare earth nitrate. This standard is applicable to the determination of thorium content in agricultural rare earth nitrate, the determination range: 0.0001% ~ 0.005%.

More samples: YD/T 3934-2021 GB 18306-2015 NB/T 47013.2-2015

Sample only — not a preview of GB/T 12687.7-1990

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