Welch Materials

SPE Products

Polymeric SPE: PS/DVB, BRP, P-SCX, P-SAX, P-WCX, P-WAX

Silica based SPE: C18E, C18, C8, Phenyl, CN, NH2, PSA, SCX, SAX, WAX, PRS, Silica, Diol

Inorganic SPE: Florisil PR, GraphiCarb, Aluminia-A/N/B, Celite

Mixed mode: GraphiCarb/NH2, C8/SCX, GraphiCarb/PSA, GraphiCar/SAX, SAX/PSA

Special SPE: Bap, Sudan Red, Plasticizer, Tea leaf, AZO Dyes, Chinese Herbal

Immunoaffinity column: aflatoxin, ochratoxin, T2, zearalenone, vomitoxin, fumonisin

IC pretreatment column: IC-H, IC-Ag, IC-Ag/H, IC-Ba, IC-Na, IC-RP