4-Nitrophenol

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

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Perfluorotridecanoic acid, 50µg/mL in MeOH, 1mL