71.080.50 酐 标准查询与下载
共找到 89 条与 酐 相关的标准，共 6 页
本标准适用于精制苯二甲酐–1308。
Refined Phthalic Anhydride - 1308
- ICS
- 71.080.50
- CCS
- 发布
- 1980-07-09
- 实施
- 1980-07-09
Phtalic anhydride. Method of determination of melt colouring
- ICS
- 71.080.50
- CCS
- 发布
- 1980
- 实施
- 1980-12-01
Phthalic anhydride for industrial use. Method for the determination of maleic anhydride
- ICS
- 71.080.50
- CCS
- 发布
- 1980
- 实施
- 1980-12-01
Phthalic anhydride for industrial use. Methods for the determination of phthalic acid
- ICS
- 71.080.50
- CCS
- 发布
- 1980
- 实施
- 1980-12-01
Phthalic anhydride for industrial use. Method for the determination of phthalic anhydride
- ICS
- 71.080.50
- CCS
- 发布
- 1980
- 实施
- 1980-12-01
Maleic anhydride for industrial use — Methods of test — Part 6: Determination of iron content — 2,2'- Bipyridyl photometric method
- ICS
- 71.080.50
- CCS
- 发布
- 1977-06-01
- 实施
The document also specifies the method to be used for the determination of the crystallizing point. Before carrying out the tests, the sample shall be grind to a fine powder and shall be mixed thoroughly. Exposure to moist air may lead to the formation of maleic acid. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.
Maleic anhydride for industrial use; Methods of test; Part I : General
- ICS
- 71.080.50
- CCS
- G15
- 发布
- 1977-06
- 实施
Phthalic anhydride for industrial use — Methods of test — Part 11: Determination of iron content — 2,2'- Bipyridyl photometric method
- ICS
- 71.080.50
- CCS
- 发布
- 1977-03-01
- 实施
This document also specifies a method to be used for the determination of the crystallizing point. Before carrying out the analysis and tests, the sample shall be grind to a fine powder and mixed thoroughly. Exposure to moist air may lead to the formation of phthalic acid. - ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.
Phthalic anhydride for industrial use; Methods of test; Part I : General
- ICS
- 71.080.50
- CCS
- G15
- 发布
- 1977-02
- 实施
Настоящий стандарт распространяется на технический фталевый ангидрид, предназначенный для производства пластификаторов, алкидных смол,
Phthalic anhydride for industrial use. Specifications
- ICS
- 71.080.50
- CCS
- 发布
- 1977
- 实施
- 1978-01-01
Acetic anhydride for industrial use. Specifications
- ICS
- 71.080.50
- CCS
- 发布
- 1975
- 实施
- 1977-01-01
Covers a hydrocarbon solvent suitable for general cleaning purposes and for the cleaning of silver and platinum contacts of telecommunication systems. Specifies physical requirements, relative density, distillation, aromatic hydrocarbon content, corrosiv
Cleaning benzine
- ICS
- 71.080.50
- CCS
- 发布
- 1970-06-03
- 实施
Requirements for acetic anhydride suitable for industrial purposes. Colour, distillation range, ash, inorganic chlorides, inorganic sulphates and anhydride content. Methods of test in appendices.
Specification for acetic anhydride
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1970-01-20
- 实施
- 1970-01-20
Chemical analysis of maleic and phthalic anhydrides. Determination of iron by the method of standard NF T 20-613 (preparation of test sample).
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-07-01
- 实施
- 1967-07-03
Chemical analysis of organic products. Determination of iron. (2.2'bipyridyl spectrophotometric method).
- ICS
- 71.080.50
- CCS
- G15
- 发布
- 1967-07-01
- 实施
- 1967-06-26
Chemical analysis of phthalic anhydride. Determination of 1.4-napthaquinone.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of maleic and phthalic anhydrides. Determination of ash.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of phthalic anhydride. Determination of impurities oxidizable in the cold by potassium permanganate.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of phthalic anhydride. Polarographic determination of maleic anhydride.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
