13C6-Sulfadimethoxine, 10mg Back Catalog number: 679430 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93901 Volatile Standard Price on request 50830 Ammonium bicarbonate as (NH4+) Price on request 21113 EPA Method 8260 - Purgeable Internal Standard Price on request