4,4’-Methylenebis(cyclohexyl isocyanate)

Metribuzin-desamino, certified, 5mg

ISO 9377-2 Standard Mixture of n-Alkanes C10-C40 (all even) Determination of Hydrocarbon Oil in Water Index 16 Analytes, each 50 µg/mL in n-Pentane; units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 100µg/mL in Cyclohexane Units: 1x1

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)