Total Kjeldahl Nitrogen as N Back Catalog number: 50767 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79052 2,4’-DDT, 1000µg/ml in Hexane, 1ml Price on request 8642.12-50-T 1,4-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 73542 (+)-Dihydrocarveol Price on request