pH 6.86 Standard @ 25°C Back Catalog number: 50772 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678218 Isoproturon-desmethyl, 100 µg/ml, Acetonitrile, 1ml Price on request 92934 Retention Marker Standard - TX1005 Price on request XA20520000AL Anthracene, 100µg/mL in Acetonitrile, 1ml Price on request