Custom Nitrogen Set, 0,1,2,5,10,20,30ng/μL, 7x2ml Back Catalog number: D4629 Availability: In the manufacturer's stock Price on request - + Recommended 681703 Imipenem monohydrate, 50mg Price on request 681083 D3-Metsulfuron-methyl, 100 µg/ml, Acetone, 1ml Price on request 94839 Acids Calibration Level 2 Price on request