Total Dissolved Solids (TDS) Back Catalog number: 54182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1313.10-100-IO 1-Fluoronaphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 321-38-0 Price on request 14060-100AN5 PAH - Mix 18, 100µg/ml in Acetonitrile, 5ml Price on request 5:2SFTOH 1-Perfluoropentyl ethanol (5:2 secondary), 1.2ml x 50ug/ml, methanol Price on request