CLP - Base/Neutral Matrix Spiking Solution Back Catalog number: 19072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10157.4-1G Sodium DL-3-hydroxybutyrate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 150-83-4 Price on request 2862.7-50-ME 7H-Perfluoroheptanal, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 647-44-9 Price on request MCPS Mass-Labelled Chlorophenol Solution/Mixture, 1.2ml, isooctane Price on request