Paraben-Mix 1, 100 µg/ml, Methanol, 5ml Back Catalog number: 681454 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended GA09011134LM Benzidine D8, 500µg/mL in Acetonitrile:Methanol, 1ml Price on request S-4053-5K-TX5 Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request 11680.12-100-IO 2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL, Price on request