pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91005 EPA Method 8270C Mix #26 Price on request 680463 Allylbenzene, 200 µg/ml, Methanol, 1ml Price on request 1338.31-50-IO 17 alpha(H),21ß(H)-(22S)-Homohopane, 50µg/mL in Isooctane, 1ml Price on request