Spike Sample Standard 1 Back Catalog number: 53028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677972 Chlorpyrifos-methyl, 100 µg/ml, Toluene, 1ml Price on request 673284 Fenhexamid, 10 µg/ml, Acetonitrile, 10ml Price on request X9230 o-Cresol Price on request