Total Dissolved Solids (TDS) Back Catalog number: 54182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2661.12-100-IOX5 Arochlor 1232, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11141-16-5 Price on request 57060 Neodymium (Nd) Price on request 54512 Tetramethyl Ammonium Hydroxide Price on request