QC for Chloride and Sulfate Anions Back Catalog number: 59174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79436 Biphenyl Price on request 34381 1,1,1,2-Tetrafluoroethane, 20mg/mL in MeOH, 1ml Price on request 682692 4-n-Nonylphenol-mono-ethoxylate, 100 µg/ml, Aceto Price on request