WS Sodium (Na) Back Catalog number: 54149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-27-S 2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 684519 Bensulide, 10.0 µg/ml, Acetone, 10ml Price on request 59207 L F B Solution Price on request