GB/T 20386-2006 Translated English of Chinese Standard. (GBT 20386-2006, GB/T20386-2006, GBT20386-2006): Textiles - Determination of the Content of Ortho-Phenylphenolhttps://www.chinesestandard.net, 20/06/2020 - 13 páginas This Standard specifies the gas chromatography-mass selective detector (GC-MSD) method for determining the content of ortho-phenylphenol (OPP) in textiles. Method 1 in this Standard is applicable to the determination and confirmation of the ortho-phenylphenol content in various textile materials and their products; Method 2 in this Standard is applicable to determination and confirmation of the ortho-phenylphenol and its salts and esters contents in various textile materials and their products. |
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0.1µm or equivalent 100mL conical flask 30mL of methanol 50mL of methanol abundance ratio accurate to 0.01g acetic anhydride acetone Anhydrous sodium sulfate Appendix arithmetic mean Chromatogram of Acetylated Chromatogram of Ortho-Phenylphenol Chromatographic column chromatographic peak Chromatography-mass spectrometer interface chromatography-mass spectrometry conditions components during chromatographic confirm it according constant volume content of ortho-phenylphenol detection for Method determination and confirmation Entry-Exit Inspection extract for 20min extracted by 30mL extracting solution Figure A.1 Gas Chromatography gas chromatography-mass spectrograms gas chromatography-mass spectrometry GB/T helium Ionization energy limit of detection lower limit mass selective detector Mass Spectrometry Selective mg/kg n-hexane ortho-phenylphenol acetic ester ortho-phenylphenol or ortho-phenylphenol Ortho-Phenylphenol Standard Substance parameters for chromatographic phenylphenol standard positive results According potassium carbonate solution qualitative 115 Recovery Rate sample solution selective detector GC-MSD Selective Ion Chromatogram shown in Figure sodium sulfate column spectrometer interface temperature Spectrometry Selective Ion standard stock solution standard working solution type and abundance volume of standard