pH 9.0 Standard @ 25°C Back Catalog number: 59628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8686.23-100-AN Rotenone Price on request 673188 Aldicarb, 10 µg/ml, Acetonitrile, 10ml Price on request 98552 Formaldehyde (0.1 ppm) Price on request