Two types of d-SPE sorbent kits were tested; the Bond Elut AOAC
d-SPE kit for fatty matrix (P/N 5982-5158) containing 400 mg
PSA, 400 mg end-capped C18, and 1200 mg magnesium sulphate,
and the Bond Elut d-SPE universal kit (P/N 5982-0029) containing
400 mg PSA, 400 mg C18, 45 mg graphitized carbon black (GCB),
and 1200 mg magnesium sulphate.