Total Dissolved Solids (TDS) Back Catalog number: 54182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2542.14-K-ME 5-Chloro-2-(methylamino)benzophenone, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1022-13-5 Price on request S-13800M1-1ML Simazine, 100µg/ml in Methanol, 1ml Price on request 684107 Atrazine-desisopropyl, 10.0 µg/ml, Acetonitrile, Price on request