GB/T 3676-2020Maleic anhydride for industrial use (English PDF)
工业用顺丁烯二酸酐
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 31, 2020
Implementation date
February 1, 2021
Scope
GB/T 3676-2020 is the English-translated version of 工业用顺丁烯二酸酐.
GB/T 3676-2020 is the Chinese standard "Maleic anhydride for industrial use". Its scope clause reads: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of maleic anhydride for industrial use.
This standard applies to maleic dianhydride prepared by catalytic oxidation of benzene or n-butane. Molecular formula. C4H2O3 Structural formula. Relative molecular mass.
98.056 (according to.2016 international relative atomic mass). Its clauses include requirements.
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Document preview — GB/T 3676-2020
National Standard of the People's Republic of China
- ICS
- 71.080.50
- Classification
- G 16
- Replacing
- GB/T 3676-2008
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Appearance
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of maleic anhydride for industrial use.
This standard applies to maleic dianhydride prepared by catalytic oxidation of benzene or n-butane.
Molecular formula. C4H2O3
Structural formula.
Relative molecular mass. 98.056 (according to.2016 international relative atomic mass)
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB 190 Dangerous Goods Packaging Mark
Preparation of GB/T 601 chemical reagent standard titration solution
GB/T 603 Preparation of preparations and products used in chemical reagent test methods
GB/T 3049 General method for determination of iron content in industrial chemical products 1,10-phenanthroline spectrophotometry
GB/T 4456 Polyethylene blown film for packaging
GB/T 6324.7 Test Methods for Organic Chemical Products Part 7. Determination of Melt Color
GB/T 6678-2003 General rules for sampling chemical products
GB/T 6679 General Rules for Sampling of Solid Chemical Products
GB/T 6680 General Rules for Sampling of Liquid Chemical Products
GB/T 6682 Analysis laboratory specifications and test methods
GB/T 7531 Determination of ignition residues of organic chemical products
GB/T 7533 Determination method of crystallization point of organic chemical products
GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values
GB/T 8946 General technical requirements for plastic woven bags
GB/T 9722 General Principles of Gas Chromatography for Chemical Reagents
3 Requirements
3.1 Appearance
Solid maleic anhydride is white, slightly yellow lumpy or flake crystals, and liquid maleic anhydride is colorless, slightly yellow transparent
Bright liquid, no visible impurities.
3.2
Maleic anhydride for industrial use shall meet the technical requirements shown in Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Editions of GB/T 3676
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3676-2020 | Maleic anhydride for industrial use | current edition | Current |
| GB/T 3676-2008 | Maleic anhydride for industrial use | previous edition | Superseded |
This page sells the current edition, GB/T 3676-2020. Earlier editions are listed for reference only.
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