酚羟基和磺酸基反应检测标准
CNAS认证
CMA认证
ASTM E1899-23
Standard Test Method for Hydroxyl Groups Using Reaction with
Standard Test Method for Hydroxyl Groups Using Reaction with
Standard Test Method for Hydroxyl Groups Using Reaction with
- 【发布单位或类别】 US-ASTM美国材料与试验协会
- 【发布日期】2023-04-01
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
- 【发布单位或类别】 ES-UNE西班牙标准
- 【发布日期】1981-09-15
- 【CCS分类】
- 【ICS分类】
