pH 5.0 Standard @ 25°C Back Catalog number: 59577 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676153 Chlorobenzuron, 100 µg/ml, Acetonitrile, 1ml Price on request 70100 4,4’-DDE Price on request 11933-10-10MG N-?Ethylperfluorooctanesulfo?namide,neat,neat,10mg, Price on request