Application On Several Methods For Analysis Of Standard Of Grain And Oil Analysis

A simple and rapid method for determinaing benzoyl peroxide inwheat flour was established.The reduction method at 30℃ for 2hourswas used.The method can shorten the abstract time for 10 hours.When preparing and ageing of column for determination of benzoylperoxide ,using 102 carrie instead of ChromosorbW /AW DMCS cansave cost. If column packing material be preageinged,the losses of thepackingmaterial can be reduced and the time of ageing can be shortened.Five samples of soben oil were prepared into standard samples withNo.6 solvent oil of two factories respectively.The results ofdeterminstion of residual solven content were different by using of peakhigh for quantum and peak area for quantum.Inmost cases,thecomposition of No.6 solvent in the sample of vegetable oil is differentfrom the one in the standard sample ,so using a higher paper speed inrecorder and with peak area for quantum can get a more exact result forthe residual solvent content.Gel consistencyis one of the most important cooking and eatingcharacteristics of rice.When the milled rice sample was put into thedifferent dilute alkali(0.2 mol/LKOH),the results were different too.