

Purity and Limit of Dimethyl Sulfoxide ( DMSO) by Gas-Chromatography with FID.
Reference Standard: USP DMSO and MSM RS.
Column: 3m m x 0.5 mm capillary column coated with a 5 um phase G2.
Oven Temp: 120 degree C.
Inlet/ FID temp: 250 degree C.
Inlet Split ratio is 2:1.
He ( carrier gas) = 5 ml/min.
C-Air/H2 = 400:40 ml/min.
Result: MSM Purity is 101.03%, Dimethyl Sulfoxide ( DMSO) is 0.041%, Chromatography purity is 99.91%.
Good to go for Lunch.