GB/T 21931.1-2008Nickel, ferronickel and nickel alloys - Determination of carbon content - Infrared absorption method after induction furnace combustion (English PDF)
镍、镍铁和镍合金 碳含量的测定 高频燃烧红外吸收法
GB/T 21931.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 21931.1-2025 | Ferronickel—Determination of carbon content—Infrared absorption method after induction furnace combustion | Valid |
| GB/T 21931.1-2008 | Nickel, ferronickel and nickel alloys - Determination of carbon content - Infrared absorption method after induction furnace combustion | Obsolete |
GB/T 21931.1-2008 is obsolete. It has been replaced by GB/T 21931.1-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 30, 2008
Implementation date
December 1, 2008
Scope
GB/T 21931.1-2008 is the English-translated version of 镍、镍铁和镍合金 碳含量的测定 高频燃烧红外吸收法.
GB/T 21931.1-2008 is the Chinese national standard "Nickel, ferronickel and nickel alloys - Determination of carbon content - Infrared absorption method after induction furnace combustion".
It was issued on May 30, 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on December 1, 2008. It is obsolete: it has been replaced by GB/T 21931.1-2025.
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Document preview — GB/T 21931.1-2008
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2008-05-30.
Date of implementation: 2008-12-01.
Status: obsolete, replaced by GB/T 21931.1-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 21931.2-2025 — Ferronickels - Determination of sulfur content - Infrared absorption method after induction furnace combustion
GB/T 21931.2-2008 — Nickel, ferronickel and nickel alloys - Determination of sulfur content - Infrared absorption method after induction furnace combustion
GB/T 21931.3-2008 — Nickel, ferronickel and nickel alloys -- Determination of phosphorus content -- Phosphovanoclonolybeate molecular absorption spectrometric method
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GB/T 21931.1-2008
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