Abstract
The determination of 3-chloropropane-1,2-diol in hydrolyzed vegetable protein using capillary gas chromatography is improved through the specificity of an electrolytic conductivity detector operated in the halogen mode. The hydrolysate is absorbed onto a Extrelut QE column of kieselguhr, 3-chloropropane-1,2-diol is partitioned into ethyl acetate and is quantitatively measured by gas chromatography using 1-chlorotetradecane as the internal standard. A concentration of 1 mg/kg dry substance is easily determined.
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