Spiking Standards Kit Back Catalog number: 53073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA12537010AC Diclofenac D4 acid (phenyl D4), 100 ng/µl, 1.1ml Price on request X9056 4,4’-DDT Price on request 91983 IS Mix 01 - Sequoia Price on request