pH 6.0 Standard @ 25°C Back Catalog number: 54119 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678327 Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml Price on request 59829 Metals Mix #2 Price on request 678493 Pyrethrins, 100 µg/ml, Acetonitrile, 1ml Price on request