Transcription of Propylene Glycol - USP-NF
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Propylene Glycol - USP-NF
Revision BulletinOfficial February 1, 2010 Propylene1 Carrier gas:HeliumPropylene GlycolInjection mLFlow type:The split flow ratio is about 10: suitabilitySample:Standard solution[NOTE For informational purposes only. See the table below retention times for ethylene Glycol , internal standard, and1, Glycol . The retention time for Propylene Glycol is 4 min-1,2-Propanediol [57-55-6].utes.] Propylene Glycol contains not less than percentRelativeof and storage Preserve in tight (RRT) ethylene to read: Propylene Reference standards 11 USP Propylene Glycol RS. USPD iethylene Glycol RS. USP ethylene Glycol RS. (RB 1-Feb-2010)Diethylene to read:Suitability requirementsResolution:NLT 5 between ethylene Glycol and propyleneIdentificationglycol NOTE Compliance is determined by meeting the requirementsAnalysisof Identification tests A, B, and :Sample solution A: (RB 1-Feb-2010)Infrared Absorption 197F on undriedAcceptance Glycol :If a peak at the retention time for diethylene B:Limit of Diethylene Glycol and ethylene Glycolglycol is present in the Sample solution, the peak response ratio rel-Diluent:Methanolative to 2,2,2-trichloroethanol is not more than the peak responseStandard of USP Propylene Glycol RS,ratio for diethylene Glycol relativ
Ethylene glycol:If a peak at the retention time for ethylene glycol is present in the Sample solution , the peak response ratio rel- Sample solution: 50mg/mL of Propylene Glycol and 0.10mg/ ative to 2,2,2-trichloroethanol is not more than the peak response
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