Clindamycin-HCl, 100µg/ml in Acetonitrile, 5ml

Hydrindantin (reduced form of ninhydrin), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5103-42-4

Aluminum (Al)

U{13C7}-Patulin, 25µg/mL, Solvent-acetonitrile, Unit 1,2mL, # of units-1, Cas.no.