Diethylene glycol gcms
WebSep 15, 2011 · I am trying to develop a method to analyze propylene glycol using purge&trap with GC/MS. I have tried it with up to 10ppm standard, but still cannot extract ion 45 (major ion according to NIST MS) from the chromatogram. I know there are methods for FID, but client wants only GC/MS for compliance reasons. WebSep 1, 2010 · We describe a gas chromatographic-mass spectrometric (GC-MS) procedure for the simultaneous determination of ethylene glycol (EG) and its major toxic …
Diethylene glycol gcms
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WebGCFD: Limit of Ethylene Glycol and Diethylene Glycol in Polyethylene Glycol 400 according to SP Figure 2: Sample Chromatogram of commercial PEG 400 sample … WebDiethylene Glycol (DEG) has been used as a substitute to Glycerol (Glycerin) in toothpaste (dentifrice), cough syrup and other consumer product preparations manufactured and …
Webglycol, sorbitol, and glycerin. Diethylene glycol (DEG) is an organic solvent often used in antifreeze [1,2], and unfortunately is chemically similar to propylene glycol and glycerin. … WebDiethylene glycol is rapidly absorbed and distributed to the kidneys, brain, liver, spleen, and adipose tissue. The kidneys receive most of the DEG. The volume of distribution of …
WebJun 1, 2024 · A method to determine ethylene glycol and diethylene glycol in beer was developed. • The method makes use of the dilution of beer sample and GC–MS. • The … WebJun 1, 2024 · Gas chromatography Mass spectrometry 1. Introduction Ethylene glycol (EG) and diethylene glycol (DEG) ( Fig. 1) are clear, hygroscopic, odorless and sweet tasting liquids. These glycols are miscible with water and polar organic solvents.
WebJan 1, 2024 · Diethylene glycol has a half-life of 3–4 ... If the presence of ethylene glycol in a sample is questionable, GC/MS should be used for confirmation. When using GC, the selection of an appropriate internal standard is important to avoid misidentification or an inaccurate quantification of ethylene glycol and other glycols. The use of 1,2 ...
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