苯酚羟基能与什么反应检测标准
CNAS认证
CMA认证
SN/T 3920-2014
出口化妆品中氢醌、水杨酸、苯酚、苯氧乙醇、对羟基苯甲酸酯类、双氯酚、三氯生的测定 液相色谱法
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method
- 【发布单位或类别】 CN-SN行业标准-商品检验
- 【发布日期】2014-04-09
- 【CCS分类】Y42化妆品
- 【ICS分类】71.100.70美容品、化妆品
SN/T 3920-2014
Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
- 【发布单位或类别】 IX-ISO国际标准化组织
- 【发布日期】2023-02-02
- 【CCS分类】
- 【ICS分类】13.060.50水的化学物质检验
SN/T 3920-2014
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
- 【发布单位或类别】 IX-ISO国际标准化组织
- 【发布日期】2023-02-02
- 【CCS分类】
- 【ICS分类】13.060.50水的化学物质检验
SN/T 3920-2014
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
SN/T 3920-2014
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)
- 【发布单位或类别】 US-ASTM美国材料与试验协会
- 【发布日期】1996-01-01
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
SN/T 3920-2014
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】2016-04-01
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
SN/T 3920-2014
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】2008-04-01
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
SN/T 3920-2014
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
- 【发布单位或类别】 US-ASTM美国材料与试验协会
- 【发布日期】2002-10-10
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
SN/T 3920-2014
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
Standard Test Method for Hydroxyl Groups Using Reaction with p-Toluenesulfonyl Isocyanate (TSI) and Potentiometric Titration with Tetrabutylammonium Hydroxide
- 【发布单位或类别】 US-ASTM美国材料与试验协会
- 【发布日期】1997-07-10
- 【CCS分类】
- 【ICS分类】71.040.40化学分析
SN/T 3920-2014
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
- 【发布单位或类别】 ES-UNE西班牙标准
- 【发布日期】2006-06-07
- 【CCS分类】
- 【ICS分类】
