4-Hydroxy-4-methyl-2-pentanone, certified, 5ml

Calibration Mixture for Olefines 15 Analytes. units: 1x1ml, 5x1ml Chiron No. Name Wt.% Chiron No. Name Wt.% 2645.9 1-Nonene 2.5 2692.6 3-Methyl-1,3-pentadi

N-Nitrosopiperazine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5632-47-3

2,2',3,5,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,