Total Dissolved Solids (TDS) Back Catalog number: 54182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79682 Acridine Price on request 3479.23-100 d-(cis-trans)-Phenothrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26002-80-2 Price on request 0217.13-K-T Fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-73-7 Price on request