GB/T 20255.1-2006Methods for chemical analysis of hard metals -- Determination of calcium, potassium, magnesium and sodium contents -- Flame atomic absorption spectrometric method (English PDF)
硬质合金化学分析方法钙、钾、镁和钠量的测定
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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 20255.1-2006 is the English-translated version of 硬质合金化学分析方法钙、钾、镁和钠量的测定.
GB/T 20255.1-2006 — This standard specifies a flame atomic absorption spectrometry for chromium, mixture of the carbide and binder metal and calcium carbide, , determination of the amount of sodium, potassium, magnesium and niobium, tantalum, titanium, tungsten, vanadium carbide.
This section applies to chromium, determination of the amount of magnesium and sodium, niobium, tantalum, titanium, tungsten, vanadium carbide, mixture of the carbide and stick machine knot metal and calcium carbide, potassium. Measuring range: 0. 001 % to 0.
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Document preview — GB/T 20255.1-2006
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
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies a flame atomic absorption spectrometry for chromium, mixture of the carbide and binder metal and calcium carbide, , determination of the amount of sodium, potassium, magnesium and niobium, tantalum, titanium, tungsten, vanadium carbide. This section applies to chromium, determination of the amount of magnesium and sodium, niobium, tantalum, titanium, tungsten, vanadium carbide, mixture of the carbide and stick machine knot metal and calcium carbide, potassium. Measuring range: 0. 001 % to 0. 02 %.
Document data
International classification (ICS): 77.040.30.
Chinese classification (CCS): H16.
Estimated length of the Chinese original: 8,871 words.
Adopted international standard: ISO 7627-2-1983, 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.
Referenced standards
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Related Standards
GB/T 20255.2-2006 — Method for chemical analysis of hard metals -- Determination of cobalt, iron, manganese and nickel contents -- Flame atomic absorption spectrometric method
GB/T 20255.3-2006 — Methods for chemical analysis of hard metals -- Determination of molybdenum, titanium and vanadium contents -- Flame atomic absorption spectrometric method
GB/T 20255.4-2006 — Methods for chemical analysis of hard metals -- Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents -- Flame atomic absorption spectrometric method
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GB/T 20255.1-2006
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