71.080.90 酚 标准查询与下载
共找到 85 条与 酚 相关的标准，共 6 页
The method is not specific for phenol. It determines tho total amount of material that can be brominated under the conditions of the test. It is applicable to mixtures of about 80 % (V/V) phenol and 20 % (V/V) water. The principle is based on reaction between phenol and bromine from a measured amound of standard bromide/bromate solution. Formation of tribromophenol, follwed by iodometric determination for excess bromine using a standard volumetric solution of sodium thiosulphate.
Liquefied phenol for industrial use; Determination of phenols content; Bromination method
- ICS
- 71.080.90
- CCS
- G15
- 发布
- 1972-03
- 实施
Hydrogen sulfide-free test for industrial use of cresolic acid and xylenol
- ICS
- 71.080.90
- CCS
- 发布
- 1971-12-01
- 实施
本标准适用于煤经干馏制成之工业用酚（Phenol）。
Phenol Distilled for Industrial Use
- ICS
- 71.080.90
- CCS
- 发布
- 1964-05-06
- 实施
- 1964-05-06
Specifies requirements for the form, purity, crystallizing point , matter insoluble in sodium hydroxide solution and total acidity of technical grade pentachlorophenol as used in solutions or compositions for general purposes, such as for imparting to materials resistance to micro-biological attack.
Specification for pentachlorophenol
- ICS
- 71.080.90
- CCS
- G17
- 发布
- 1959-11-30
- 实施
- 1959-11-30
Pentachloro Phenol, Industrial Grade
- ICS
- 71.080.90
- CCS
- 发布
- 1958-06-16
- 实施
- 1958-06-16
