GB/T 1611-2014Sodium dichromate for industrial use (English PDF)
工业重铬酸钠
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 8, 2014
Implementation date
December 1, 2014
Scope
GB/T 1611-2014 is the English-translated version of 工业重铬酸钠.
GB/T 1611-2014 is the Chinese standard "Sodium dichromate for industrial use". Its scope clause reads: This standard specifies the industrial sodium dichromate requirements, test methods, inspection rules, marking, labeling, packaging, transportation, storage, and security.
This standard applies to industrial sodium dichromate. The products are mainly used for oxide pigments, dyes, preparation of other chromium salt products, pharmaceutical intermediates Agents, electroplating and other industries. Its clauses include formula and relative molecular mass; requirements.
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Document preview — GB/T 1611-2014
National Standard of the People's Republic of China
- ICS
- 71.060.50
- Classification
- G 12
- Replacing
- GB/T 1611-2003
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 formula and relative molecular mass
- 4 Requirements
1 Scope
This standard specifies the industrial sodium dichromate requirements, test methods, inspection rules, marking, labeling, packaging, transportation, storage, and security.
This standard applies to industrial sodium dichromate. The products are mainly used for oxide pigments, dyes, preparation of other chromium salt products, pharmaceutical intermediates
Agents, electroplating and other industries.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 190-2009 dangerous goods packaging logo
GB/T 191-2008 Packaging - Pictorial signs
General Method GB/T 3049-2006 industrial chemicals determination of iron content 1,10-phenanthroline spectrophotometry
GB/T 6678 General Principles for Sampling Chemical Products
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
GB/T 8170 repair value expressed about the rules and limit values and judgment
HG/T 3696.1 inorganic chemical products, chemical analysis standard solution, Preparations Part 1. Standard titration solution
Preparation liquid
HG/T 3696.2 inorganic chemical products, chemical analysis standard solution, Preparations Part 2. impurity standard solution
Preparation liquid
HG/T 3696.3 inorganic chemical products, chemical analysis standard solution, Preparations Part 3. Formulation and products
Preparation
3 formula and relative molecular mass
Molecular formula. Na2Cr2O7 · 2H2O.
Molecular weight. 297.97 (according to 2011 international relative atomic mass).
4 Requirements
4.1 Appearance
bright orange-red needles or small granular crystals.
4.2
Industrial sodium dichromate testing methods specified in this standard shall be in accordance with Table 1 and according to the technical requirements.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
Similar standards
Editions of GB/T 1611
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 1611-2014 | Sodium dichromate for industrial use | current edition | Current |
| GB/T 1611-2003 | Sodium dichromate for industrial use | previous edition | Superseded |
This page sells the current edition, GB/T 1611-2014. Earlier editions are listed for reference only.
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