UV 254 Absorbance / DOC Back Catalog number: 54166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676231 Chlorfenvinphos, 100 µg/ml, Cyclohexane, 1ml Price on request M-PPH10M1-1ML PAH 16Mixture, 100µg/ml in MeOH, 1ml Price on request 83537 Acetone-DNPH Price on request