DIMETHYL SULFOXIDE EL Grade
SPECIFICATION
DMSO Assay, % by GLC Minimum                               99.9
Water, % by KF Maximum                                             0.05
Titrable Acid, meq/g Maximum                                     0.001
Residue after Evaporation, % Maximum                        0.01
METALS SPECIFICATION
Aluminum, Al                                           <10 ppm
Calcium, Ca                                              <10 ppm
Chromium, Cr                                           <10 ppm
Copper, Cu                                               <10 ppm
Gold, Au                                                   <10 ppm
Iron, Fe                                                     <10 ppm
Nickel, Ni                                                 <10 ppm
Potassium, K                                             <10 ppm
Silica, Si                                                   <10 ppm
Sodium, Na                                               <10 ppm
Zinc, Zn                                                     <10 ppm