皮膚癬病為常見疾患之一,向來缺乏良好的治療劑。十一烯酸(Urdecylenic aci■)療效的發(fā)現(xiàn),造福人類堪稱非淺。194■年Keen■y等氏先發(fā)現(xiàn)十一烯酸之制霉菌作用,其鈉鹽之制霉菌作用較當時應(yīng)用之丙酸鈉為強。次年,氏繼報告在各種細菌培養(yǎng)基中十一烯酸鈉之殺菌制菌效力較癸酸鈉為大。1947年Foley及■氏報告百分之一的十一烯酸制劑殺病原霉菌效力較一般有效脂肪酸制劑為強。

本標準規(guī)定了化妝品（膏霜、乳液、化妝水）和洗手液類產(chǎn)品中十一烯酸及其鋅鹽的氣相色譜測定方法。

本標準適用于化妝品（膏霜、乳液、化妝水）和洗手液類產(chǎn)品中十一烯酸及其鋅鹽的測定。

本方法對十一烯酸及其鋅鹽的檢出限為12 mg/kg(0.0012%)，定量限為40 mg/kg(0.004%)(均以酸計）。

HH-5毛細管柱測定十一烯酸及其鋅鹽 圖片:



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 stronger than that of sodium propionate applied at that time. In the following year, it was reported that the antibacterial and bacteriostatic efficacy of sodium undecylenate in various bacterial culture media was greater than that of sodium citrate. In 1947, Foley and Hershes reported that one percent of the undecylenic acid preparations were more potent than the general effective fatty acid preparations.

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 based on acid).


Determination of undecylenic acid and its zinc salt by HH-5 capillary column