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GB/T 9740-2008Chemical reagent -- General method for the determination of dry residue after evaporation (English PDF)

化学试剂蒸发残渣测定通用方法

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

May 15, 2008

Implementation date

November 1, 2008

Scope

GB/T 9740-2008 is the English-translated version of 化学试剂蒸发残渣测定通用方法.

GB/T 9740-2008 — This standard specifies the general method for the determination of the evaporation residue by gravimetric method. This standard applies to boiling water can be evaporated at bath temperature and the residue was determined in addition to the main chemical agents net evaporation.

Determination of steam by this standard when hair residue, according to the sample size and specifications of the calculated value of the resulting residue mass not less than 1mg.

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Document preview — GB/T 9740-2008

National Standard of the People's Republic of China

ICS: 71.040.30
Classification: G 60
Replacing: GB/T 9740-1988

Issued by: Standardization Administration of China

What this standard covers1
Document data2

What this standard covers

This standard provides a common method for determining evaporation residue by gravimetric method. This standard applies to be volatile in the boiling water bath temperature and measuring the residue of the net addition to the main chemical reagent evaporation. When measured by the standard evaporation residue, residue quality specifications according to sample size and the resulting value is not less than 1 mg.

Document data

International classification (ICS): 71.040.30.

Chinese classification (CCS): G60.

Estimated length of the Chinese original: 7,731 words.

Adopted international standard: ISO 6353-1-1982, NEQ.

Supersedes the earlier edition GB/T 9740-1988.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

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