pH 9.0 Standard @ 25°C Back Catalog number: 59628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1348-S 1,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 90982 Nitrosamine Standard Price on request 52102 ICP-MS Verification Kit Price on request