pH 12.0 Standard @ 25°C Back Catalog number: 50127 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended TBP Tri-n-butyl phosphate, 1.2ml x 50ug/ml, toluene Price on request S-4200-ASS-CY Calibration Standard THC 20 Analytes, each concentration as listed in cyclohexane; unit : 6x1mL The working standard concentrations are: o-Terphenyl (ITSD) 200 µg/mL 5a-Androstane (ITSD) Price on request BDE-CS1,2,3,4,5-F Individual Calibration Solutions , 200ul, toluene Price on request