Pre-packaged mobile phase and rinse phase for sulfate in ethanol analysis. Mobile phase composition is 16mM NaHCO3/0.16mM NA2CO3, total volume of 36L in convenient 6 L bags. Rinse phase composition is 65% methanol in water, total volume of 8L in 2L bags. Also includes a bag holder which fits in the reservoir tray and two (2) Chem+Nect fittings for connecting bags to the degasser.