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HH-5毛细管柱测定十一烯酸及其锌盐 ,脂肪酸 ,液化石油气 ,二甲醚 ,植物油 ,芝麻香白酒 ,3-甲硫基丙醇 ,非甲烷总烃 ,甲烷柱 ,总烃柱 ,甲醛 ,甲酸 ,甲醇 ,硫化物 ,天然气 ,焦炉煤气 ,炼厂气...
HH-5毛细管柱测定十一烯酸及其锌盐 详细信息:
固定液:5%苯基--甲基聚硅氧烷
规格:30m*0.25mm*0.25um
型号:HH-5
应用:GB∕T 35952-2018 化妆品中十一烯酸及其锌盐的测定 气相色谱法
皮肤癣病为常见疾患之一,向来缺乏良好的治疗剂。十一烯酸(Urdecylenic aci■)疗效的发现,造福人类堪称非浅。194■年Keen■y等氏先发现十一烯酸之制霉菌作用,其钠盐之制霉菌作用较当时应用之丙酸钠为强。次年,氏继报告在各种细菌培养基中十一烯酸钠之杀菌制菌效力较癸酸钠为大。1947年Foley及■氏报告百分之一的十一烯酸制剂杀病原霉菌效力较一般有效脂肪酸制剂为强。
本标准规定了化妆品(膏霜、乳液、化妆水)和洗手液类产品中十一烯酸及其锌盐的气相色谱测定方法。
本标准适用于化妆品(膏霜、乳液、化妆水)和洗手液类产品中十一烯酸及其锌盐的测定。
本方法对十一烯酸及其锌盐的检出限为12 mg/kg(0.0012%),定量限为40 mg/kg(0.004%)(均以酸计)。
Determination of undecylenic acid and its zinc salt by HH-5 capillary column
Determination of undecylenic acid and its zinc salt by HH-5 capillary column
Fixative: 5% phenyl-methyl polysiloxane
Specification: 30m*0.25mm*0.25um
Model: HH-5
Application: GB∕T 35952-2018 Determination of undecylenic acid and its zinc salt in cosmetics Gas chromatography
Skin rickets are one of the common diseases and have always lacked good therapeutic agents. The discovery of the efficacy of undecylenic acid (Urdecylenic aci ■) is beneficial to the benefit of mankind. In 194, the first time Keen ■ y was found to have the mold-forming effect of undecylenic acid, and the mold-forming effect of the sodium salt was stro
This standard specifies the gas chromatographic method for the determination of undecylenic acid and its zinc salt in cosmetics (creams, lotions, lotions) and hand sanitizers.
This standard applies to the determination of undecylenic acid and its zinc salt in cosmetics (creams, lotions, lotions) and hand sanitizers.
The detection limit of this method for undecylenic acid and its zinc salt is 12 mg/kg (0.0012%), and the limit of quantification is 40 mg/kg (0.004%) (all ba
Determination of undecylenic acid and its zinc salt by HH-5 capillary column
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