Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules

L-Nicotine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 54-11-5

ISO 9377-2 Calibration Mixture of BAM-K10 in Pentane Kit Cat. No. S-4451-SET2 Concentrations: Blank 50mg/L 100mg/L 200mg/L 500mg/L 1000mg/L 6x5mL The previously lowest concentration of 10mg/L has been discontinued and the set is from 2009 on deli

Pyruvic aldehyde, 40% solution in water, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 78-98-8