Salinity Standard Back Catalog number: 50814 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678220 1-(4-Isopropylphenyl)urea, 100 µg/ml, Acetonitrile, 1ml Price on request 681030 PCB 195, 5mg Price on request 92250 Pesticide Mix Price on request