GB/T 6730.70-2013Iron ores -- Determination of total iron content -- Titrimetric method after tin (��) chloride reduction (English PDF)
铁矿石 全铁含量的测定 氯化亚锡还原滴定法
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
May 9, 2013
Implementation date
February 1, 2014
Scope
GB/T 6730.70-2013 is the English-translated version of 铁矿石 全铁含量的测定 氯化亚锡还原滴定法.
GB/T 6730.70-2013 — This section provides stannous chloride reduction of ferric iron in total iron content was measured by potassium dichromate titration after.
This section applies to natural iron ore, iron ore concentrate, and agglomeration, including the determination of total iron content of the sintered product, the measurement range (mass fraction). 30% to 72%.
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Document preview — GB/T 6730.70-2013
National Standard of the People's Republic of China
- ICS
- 73.060.10
- Classification
- D 31
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the stannous chloride reduction of ferric iron after titration using potassium dichromate total iron content in iron ore. This section applies to natural iron ore, iron ore concentrate and build blocks, including sintered products
Document data
International classification (ICS): 73.060.10.
Chinese classification (CCS): D31.
Estimated length of the Chinese original: 14,162 words.
Adopted international standard: ISO 2597-1-2006, MOD.
Standards quoted by this document
GB/T 6682; GB/T 6730.1; GB/T 6730.3; GB/T 10322.1; GB/T 12805; GB/T 12806; GB/T 12808; GB/T 12810
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 6682Water for analytical laboratory use - Specification and test methods
- GB/T 6682-2008Water for analytical laboratory use - Specification and test methods
- GB/T 6730.1Iron ores -- Preparation of pre-dried test samples for chemical analysis
- GB/T 6730.1-1986Iron ores -- Preparation of pre-dried test samples for chemical analysis
- GB/T 6730.3Iron ores -- Determination of hygroscopic moisture in analytical samples -- Gravimetric, Karl Fischer and mass-loss methods
- GB/T 6730.3-1986Iron ores -- Determination of hygroscopic moisture in analytical samples -- Gravimetric, Karl Fischer and mass-loss methods
ISO 3696 · ISO 7764 · ISO 2596 · ISO 3082 · ISO 385 · ISO 1042 · ISO 648 · ISO 4787
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Related Standards
GB/T 10322.1-2023 — Iron ores - Sampling and sample preparation procedures
GB/T 12805-2011 — Laboratory glassware -- Burettes
GB/T 12806-2011 — Laboratory glassware -- One-mark volumetric flasks
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GB/T 6730.70-2013
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