GPC Calibration Solution Back Catalog number: 20142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8801.21-100-IO Methyl 9-cis-eicosenoate, 100µg/ml in Isooctane, 1ml Price on request 679649 1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request 97236 VOC Standard Price on request