MA - VPH Matrix Spike #2 Rev 1.1 Back Catalog number: 93624 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72423 Levulinic acid Price on request 66188 2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Price on request 674057 Phenkapton, 10.0 µg/ml, Acetonitrile, 10ml Price on request