Benzidine Back Catalog number: 43124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ICP-MS-CAL5-1 Mercury, 10µg/mL in 2-5% Nitric acid, 100ml Price on request 0841.27-100-IO Cholest-2-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15910-23-3 Price on request 11767.12-100-IO 2,3,3',4,4',5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request