pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676434 Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml Price on request 676944 2,4,6-Trichloroaniline, 250mg Price on request 52147 Method 1640 Tuning Standard Price on request