pH 4.0 Standard @ 25°C, in water, 100ml Back Catalog number: 59436 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93023 n-Octacosane Price on request 97797 PAH Standard Price on request DF-1478-S 1,4,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request