pH 8.0 Standard @ 25°C Back Catalog number: 59277 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71677 1-Butene Price on request 12077.21-250MG Streptomycin Sulfate,neat,neat,100mg, Price on request 91875 EPA Method 8330Mix #1A Price on request