COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13560-0085-100AC5 Tetradecamethylcycloheptasiloxan, 100µg/ml in Acetone, 5ml Price on request 91902 Acids Standard Price on request 90687 Benzyl butyl phthalate Price on request