pH 6.86 Standard @ 25°C Back Catalog number: 50772 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680984 Metronidazole, 100 µg/ml, Acetonitrile, 1ml Price on request 10288.14-200-T 1,8-Dimethylcarbazole Price on request PCB-IS-B Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request