Tuning Solution- Method 200.7 section 7.7 Back Catalog number: 53059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10109.30-50-ME Tetraphenylrecorcinol bis(diphenylphosphate, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57583-54-7 Price on request 97487 Phthalate Standard Price on request 52106 Brominated Inorganic Disinfection Price on request