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
Chemical analysis of phthalic anhydride. Measurement of coloration (hazen scale).
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of maleic and phthalic anhydrides. Potentiometric determination of free acidity.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of maleic and phtahlic anhydrides. Estimate of concentration by determination of total acidity with phthenolphthalein.
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1967-04-01
- 实施
- 1967-03-23
Chemical analysis of maleic anhydride. Introduction and summary table of standards documents.
- ICS
- 71.080.50
- CCS
- G11
- 发布
- 1967-03-01
- 实施
Chemical analysis of phthalic anhydride. Introduction and summary table of standards documents.
- ICS
- 71.080.50
- CCS
- G11
- 发布
- 1967-03-01
- 实施
Chemical analysis of organic products. Determination of bromine number.
- ICS
- 71.080.50
- CCS
- G15
- 发布
- 1961-03-01
- 实施
- 1961-03-31
この規格は，工業薬品としてのクエン酸と，その試験方法について規定する。
Citric acid
- ICS
- 71.080.50
- CCS
- G17
- 发布
- 1954-07-20
- 实施
