Bleaching earth filtration —Complete removal of the bleaching media from the bleached oil is very important since residual earths can act as a prooxidant.
A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.
The protein chip kit,ELISA kit and confirmatory methods were used to detect veterinary drug residues(enrofloxacin clenbuterol,streptomycin and sulfadimidine) in pig and chicken tissues.
A better method was presented by adopting an external standard method of high performance liquid chromatography for the determination of Anilazine pesticides residue in foods.
The MSPD-HPLC technigue used for assay of trace pirimicarb and amitraz in fruit and vegetable was discussed and the conditions of quantitative analysis investigated in detail.
Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.