Obsolete

GB/T 12687.2-1990Chemical analysis of nitrate of rare earth for agriculture--Determination of chlorine content--Mercurimetric method (English PDF)

农用硝酸稀土化学分析方法汞量法测定氯含量

GB/T 12687.2 | Evolution and historical versions

Std ID	Title	Status
GB/T 12687.2-2010	Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content	Obsolete
GB/T 12687.2-1990	Chemical analysis of nitrate of rare earth for agriculture--Determination of chlorine content--Mercurimetric method	Obsolete

GB/T 12687.2-1990 is obsolete. It has been replaced by GB/T 12687.2-2010. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

January 2, 1990

Implementation date

January 1, 1992

Scope

GB/T 12687.2-1990 is the English-translated version of 农用硝酸稀土化学分析方法汞量法测定氯含量.

GB/T 12687.2-1990 is the Chinese national standard "Chemical analysis of nitrate of rare earth for agriculture--Determination of chlorine content--Mercurimetric method".

It was issued on January 2, 1990 by the State Bureau of Technical Supervision, and took effect on January 1, 1992. It is obsolete: it has been replaced by GB/T 12687.2-2010.

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Document preview — GB/T 12687.2-1990

National Standard of the People's Republic of China

Issued by: State Bureau of Technical Supervision

Document data

1 Document data

Sector: National standard (Recommended).

Issuing body: State Bureau of Technical Supervision.

Date of issue: 1990-01-02.

Date of implementation: 1992-01-01.

Status: obsolete, replaced by GB/T 12687.2-2010.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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