Weigh 974 g (974 mL) of 17.8 MW-cm deionized water
into an eluent reservoir bottle. Degas the water for
approximately 10 minutes. Tare the bottle on the balance
and add 40.0 g (26.2 mL) of 50% (w/w) sodium hydroxide
directly to the bottle. Quickly transfer the eluent bottle to
the instrument and pressurize it with helium.