Total Kjeldahl Nitrogen as N Back Catalog number: 50767 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0453.3-150-CYX10 GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. Price on request 82701 EPA Method 8270A - Mix #14 Price on request BDD-1234678 1,2,3,4,6,7,8-Heptabromodibenzo-p-dioxin, 1.2ml x 25ug/ml, toluene Price on request