GB/T 35894-2018 Translated English of Chinese Standard. (GBT 35894-2018, GB/T35894-2018, GBT35894-2018): Determination of 10 Forbidden Glycol Ethers and Esters in Cosmetics - GC-MShttps://www.chinesestandard.net, 13 Oca 2019 - 14 sayfa This Standard specifies reagents and materials, instruments and equipment, analytical procedures, result calculation, recovery rate and precision, and allowable deviation of gas chromatography-mass spectrometry method of determining 10 forbidden glycol ethers (ethylene glycol dimethyl ether, 2-methoxy ethanol, 2-methoxy propanol, 2-ethoxyethanol, 2-methoxy propyl acetate, 2-methoxyethyl acetate, 2-ethoxy ethyl acetate, dimethoxy diglycol, 2-(2-methoxye-thoxy) ethanol, triethylene glycol dimethyl ether) and their ester compounds in cosmetics. |
Sık kullanılan terimler ve kelime öbekleri
2-ethoxyethanol 2-methoxy propanol 2-methoxy propyl acetate 2-methoxyethyl acetate Accurately weigh-take acetate methanol solution Allowable Deviation Appendix Chemical Structural Formula Chinese Name chromatography-mass spectrometry selected constant volume detection limit dimethoxy diglycol English Name ester compounds Esters Please refer ethers and esters ethers or esters ethyl acetate 3.1 forbidden glycol ethers forbidden substances fortified concentration range gas chromatography-mass spectrometry GC-MS glycol dimethyl ether Inlet Ionization source Jiangsu kind of glycol limit and quantitation Mass and Chemical methanol 3.2 mg/kg Mixed standard stock mL brown volumetric Molecular Formula Non-waxy Based Cosmetics non-waxy based sample peak area Qualitative Confirmation Qualitative Selected Ion Quality Supervision quantitation limit quantitative ion Reagents and Materials recovery rate refer to Table Relative Molecular Mass relative standard deviation selected ion chromatogram Selected Ion Parameters spectrometry selected ion standard stock solutions standard substances standard working solutions stipulated in Safety Suzhou Table C.1 temperature tested triethylene glycol dimethyl vortex dispersion Waxy-based Cosmetics