pH 12.45 Standard @ 25°C Back Catalog number: 50708 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9228 Phenol, 100µg/mL in MeOH, 1ml Price on request 19137 EPA Method 507 - Performance Check Solution Price on request 52305A LFS Solution 3 Price on request