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Impurities of dipropylen glycol GC with ALS

http://www.chromforum.org/viewtopic.php?f=2&t=114734

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Impurities of dipropylen glycol GC with ALS

Posted: Wed Nov 24, 2021 5:03 am
by Lajarilla
I want to know if someone work with GLYCOL and introduce the sample with ALS.
How is the ALS program, and what solvent do you use to clean the xeringe
Sorry for my english

Re: Impurities of dipropylen glycol GC with ALS

Posted: Sun Nov 28, 2021 3:01 pm
by Consumer Products Guy
Dipropylene glycol is a mixture of about three components. Almost always we dissolved sample in pyridine or dimethylformamide and made trimethylsilyl derivatives used a nonpolar capillary. We rinsed our syringes in pyridine or dimethylformamide.
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