pH 4.0 Standard @ 25°C Back Catalog number: 59468 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70021 Aroclor 1260 Price on request 66153 2,2’,4,4’,5,5’-Hexachlorobiphenyl (153) Price on request 673842 Trinexapac-ethyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request