WS Sodium (Na) Back Catalog number: 54149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-1278-S 1,2,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 10077.4-K-ME N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. Price on request BR-PFOSK L-PFOSK with branched isomers, 1.2ml x 50ug/ml, methanol Price on request