pH 9.0 Standard @ 25°C Back Catalog number: 59337 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8581.6-1G Perfluorohexane sulfonic acid, potassium salt,neat,neat,1g, Price on request S-4683-ASS-100W Custom Mix Bergenbier A, in water 8902. acetaldehyde - 2 ppm; 0185. DMS (dimethyl sulfide) - 10 ppb (part per billion) !!! 2271. ethyl-acetate Price on request 70160 2,4-Dinitrotoluene Price on request