Method 8121 - Surrogate Standard Back Catalog number: 95989 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54200 Nitrate as NO3-, 1000µg/ml in water, 100ml Price on request 679888 3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile, Price on request 95794 SVOA Ms Mix Price on request