Total Kjeldahl Nitrogen as N Back Catalog number: 50465 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679898 DNOC, 100 µg/ml, Acetonitrile, 1ml Price on request 676131 Methoxychlor, 100 µg/ml, Acetone, 5ml Price on request M4M159 2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request