Ontwsep™ CHPR column packing is composed of three components packed in layers according to a certain proportion. Its function is to remove pigments, acidic interfering impurities, sugars, and esters in Chinese herbal medicines. Soluble impurities will not adsorb the target pesticides at the same time.
Applicable to national standard: GB 23200.10-2016 Determination of 488 pesticides and related chemical residues in mulberry branches, honeysuckle, wolfberry, and lotus leaves by gas chromatography-mass spectrometry GB 23200.11-2016 Determination of 413 pesticides and related chemicals residues in mulberry branches, honeysuckle, wolfberry, and lotus leaves by liquid chromatography-tandem mass spectrometry.