Analysis of polyphosphoric acid used for food additive by HPLC In this application, poly-phosphoric acid, a foodstuff additive, was detected by visible light absorption at 830 nm by post-column derivatization as a molybdenum-phosphorus complex.
Analysis of furfural and hydroxymethylfurfural in corn syrup using HPLC In this application, frufural and hydroxymethylfrufural were analyzed using silica C18 column Finepak SIL C18S for reversed phase mode.
Analysis of impurities in crude benzotriazole using HPLC In this application, impurities in crude benzotriazole were measured using HPLC with the silica-C18 column Finepak SIL C18S by gradient elution method using H2O and CH3OH as mobile phase.
Analysis of organic acids in feed using HPLC In this application, organic acids in livestock feed were analyzed by HPLC, utilizing the post-labeled derivatization method with bromthymol blue (BTB) as a reagent.
Determination of oleic acid in diesel fuel using HPLC In this application, oleic acid in diesel oil was analyzed quantitatively by HPLC, utilizing the pre-column derivatization method.
Analysis of organic acids in deodorant using HPLC In this application, organic acids in deodorant were analyzed by HPLC, utilizing the post-column derivatization method using a pH indicator as a reagent.
Analysis of free fatty acids in sardine oil using HPLC In this application, free fatty acids in sardine oil were analyzed by using pre-column derivatization method with p-bromophenacyl bromide in order to detect them with high sensitivity and selectivity.
Analysis of organic acids in soy sauce using HPLC In this application, organic acids in soy sauce were analyzed by the Organic Acid Analysis System with the post label method using pH indicator Bromthymol Blue (BTB) as a reagent.