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GB/T 20255.4-2006Methods for chemical analysis of hard metals -- Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents -- Flame atomic absorption spectrometric method (English PDF)

硬质合金化学分析方法钴、铁、锰、钼、镍、钛和钒量的测定火焰原子吸收光谱法

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

May 8, 2006

Implementation date

October 1, 2006

Scope

GB/T 20255.4-2006 is the English-translated version of 硬质合金化学分析方法钴、铁、锰、钼、镍、钛和钒量的测定火焰原子吸收光谱法.

GB/T 20255.4-2006 — This standard specifies a flame atomic absorption spectrometry for chromium, niobium, tantalum, titanium, tungsten, vanadium carbide, carbide with the above mixture and bonding metal carbide (including coated carbide coating completely removed Determination of titanium and vanadium amount, ) cobalt, iron, manganese, molybdenum, nickel.

This section applies to chromium, niobium, tantalum, titanium, tungsten, vanadium carbide, carbide with the mixture, and the bonding metal carbide (including complete removal of the coating coated carbide) cobalt, iron, titanium and vanadium contents, Nickel, molybdenum, manganese. Measurement range: 0.

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Document preview — GB/T 20255.4-2006

National Standard of the People's Republic of China

ICS: 77.040.30
Classification: H 16

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

What this standard covers1
Document data2

What this standard covers

This standard specifies a flame atomic absorption spectrometry for chromium, niobium, tantalum, titanium, tungsten, vanadium carbide, carbide with the above mixture and bonding metal carbide (including coated carbide coating completely removed Determination of titanium and vanadium amount, ) cobalt, iron, manganese, molybdenum, nickel. This section applies to chromium, niobium, tantalum, titanium, tungsten, vanadium carbide, carbide with the mixture, and the bonding metal carbide (including complete removal of the coating coated carbide) cobalt, iron, titanium and vanadium contents, Nickel, molybdenum, manganese. Measurement range: 0. 5% to 2%.

Document data

International classification (ICS): 77.040.30.

Chinese classification (CCS): H16.

Estimated length of the Chinese original: 8,882 words.

Adopted international standard: ISO 7627-5-1983, MOD.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

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