Total Kjeldahl Nitrogen as N Back Catalog number: 50767 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-182 2,2',3,4,4',5,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 59637 Metals Mix #1 Price on request MPFAC-MXA Mass-Labelled PFCAs and PFSAs Mix, 2µg/ml in MeOH, 1,2ml Price on request