pH 12.0 Standard @ 25°C Back Catalog number: 50587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9296.22-100-AC Propoxyphene hydrochloride, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1639-60-7 Price on request 90605 EPA Method 8141/1657 Analytes Price on request 96898 Sulfides Mix Price on request