Pesticide Matrix Spike Solution Back Catalog number: 20120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679145 Phenol-Mix 1, 100 µg/ml, Acetonitrile, 10ml Price on request 682966 Surrogate Mix ISO 27065 and ISO 18889, , , 100ml Price on request 1847.12-100MG 2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 2169-87-1 Price on request