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VertiPak™ PSA/Carbograph SPE is 2-layer SPE tube that contains both VertiPak™ Carbograph(upper layer)and VertiPakTM PSA(lower layer) sorbents that separated by PE frit |
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Specially used for multi-residue pesticides in foods e.g. vegetables, meats |
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VertiPak™ Carbograph is non-porous graphitized carbon black that contains oxygen complexs forming positively charged chemical heterogeneities on surface offering rapid primary reversed-phase interaction for removing of organic pigments, organic acids, chlorophyll |
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VertiPak™ PSA is a weak anion exchanger that has 2 amine groups offering higher ionic capacity than NH2 for multi-residue pesticides |
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Tube format is available in 7 tube sizes |
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Tubes are packaged in zip sealing bag protective from moisture and light |
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Includes Certificate of Analysis |
