Total Kjeldahl Nitrogen as N Back Catalog number: 50465 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9313.12-100-IO 2,3,3'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38444-84-7 Price on request 1988.3-KIT-S Phenyltin chlorides Kit (solutions, 1987.6, 1986.12, 1985.18), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 94519 EPA Method 551.1 Standard Price on request