Sodium (Na) Back Catalog number: 50380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-ETFOSAA N-ethylperfluoro-1-octanesulfonamidoacetic acid, 1.2ml x 50ug/ml, methanol Price on request S-4042-015-10CY Mass Discrimination Test Mixture for ASTM D 5739 150 µg/mL in pesticide grade cyclohexane, 10mL Naphthalene 99 % Fluoranthene 99 % Benzo[ghi]perylene 99 % Price on request 688320 Bromodichloroacetic acid, 100µg/ml in Water, 1ml Price on request