GB/T 6730.3-1986Methods for chemical analysis of iron ores. The gravimetric method for the determination of hygroscopic moisture content in analytical samples (English PDF)
铁矿石化学分析方法 重量法测定分析试样中吸湿水量
GB/T 6730.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 6730.3-2017 | Iron ores - Determination of hygroscopic moisture in analytical samples - Gravimetric, Karl Fischer and mass-loss methods | Valid |
| GB/T 6730.3-1986 | Methods for chemical analysis of iron ores. The gravimetric method for the determination of hygroscopic moisture content in analytical samples | Obsolete |
GB/T 6730.3-1986 is obsolete. It has been replaced by GB/T 6730.3-2017. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
August 19, 1986
Implementation date
August 1, 1987
Scope
GB/T 6730.3-1986 is the English-translated version of 铁矿石化学分析方法 重量法测定分析试样中吸湿水量.
GB/T 6730.3-1986 is the Chinese national standard "Methods for chemical analysis of iron ores. The gravimetric method for the determination of hygroscopic moisture content in analytical samples".
It was issued on August 19, 1986 by the National Bureau of Standards, and took effect on August 1, 1987. It is obsolete: it has been replaced by GB/T 6730.3-2017.
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Document preview — GB/T 6730.3-1986
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1986-08-19.
Date of implementation: 1987-08-01.
Status: obsolete, replaced by GB/T 6730.3-2017.
......
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
Cited by
- GB/T 6730.45-2025Iron ores — Determination of arsenic content — Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
- GB/T 6730.46-2025Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after the distillation separation
- GB/T 6730.73-2024Iron ores - Determination of total iron content - EDTA photometric titration method
- GB/T 6730.89-2024Iron ores—Determination of thorium content—Arsenazo III spectrophotometric method
- GB/T 6730.51-2023Iron ores—Determination of carbon content in carbonate—The caustic asbestos absorption gravimetric method
- GB/T 38812.4-2022Direct reduced iron - Determination of metallic iron - Bromine-methanol titrimetric method
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Related Standards
GB/T 6730.5-2022 — Iron ores - Determination of total iron content - Titrimetric methods after titanium(III) chloride reduction
GB/T 6730.2-1986 — Methods for chemical analysis of iron ores. Gravimetric method for the determination of moisture content
GB/T 6730.5-2007 — Iron ores - Determination of total iron content - Titanium (Ⅲ) chloride reduction methods
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GB/T 6730.3-1986
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