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YB/T 5191-2007High pure graphite meterials-Determination of total race earths content. Spectrophotometric method (English PDF)

高纯石墨材料总稀土元素含量的分光光度测定方法

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Issued by

National Development and Reform Commission

Level / Type

National · Recommended

Issue date

January 25, 2007

Implementation date

July 1, 2007

Scope

YB/T 5191-2007 is the English-translated version of 高纯石墨材料总稀土元素含量的分光光度测定方法.

YB/T 5191-2007 — This standard specifies the purity graphite materials total REE contents of spectrophotometric reagents, instruments and equipment, sample preparation, analytical procedures, the results of the calculation.

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Document preview — YB/T 5191-2007

National Standard of the People's Republic of China

ICS: 29.050
Classification: Q 51
Replacing: YB/T 5191-1993

Issued by: National Development and Reform Commission

What this standard covers1
Document data2

What this standard covers

This standard specifies the purity graphite materials total REE contents of spectrophotometric reagents, instruments and equipment, sample preparation, analytical procedures, the results of the calculation. This standard applies to high-purity graphite materials Determination of the total REE content.

Document data

International classification (ICS): 29.050.

Chinese classification (CCS): Q51.

Estimated length of the Chinese original: 3,348 words.

Supersedes the earlier edition YB/T 5191-1993.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 2 pages — is available in the English PDF.

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