Mass-Labelled PCB Recovery Standard, 1.2ml, nonane Back Catalog number: P48-RS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended S-4423-50-4.5PE ISO 9377-2MOD Standard Mixture 1 of n-Alkanes and BTEX S-4423-50-5PE C7+C10+ C20+C40+BTEX in n-Pentane Determination of Hydrocarbon Oil in Water Index 10 Analytes; each 50µg/mL in n-pentane; units: 1x1mL, 1x5mL, 10x1mL Benzene B Price on request 678502 Spirodiclofen, 100 µg/ml, Acetonitrile, 1ml Price on request 71189 bis(Chloromethyl) ether Price on request