Sodium Sulfate, Anhydrous, Granular (12-60 Mesh), ULTRA RESI-ANALYZED, ACS Reagent, Suitable for Use in Pesticide Residue Analysis, Tested for Hexa - SODIUM SULFATE BAR PEST 500GM [JT3375-1-CS]
Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.