Deionised water

Reagent Grade Water is typically prepared at 18 megohm/cm specific resistance using a reverse osmosis, mixed deionisation, activated filtration and final filtration at 0.2 microns.

H₂O F.W. 18.02 CAS #7732-18-5
EMS Reagent Grade Water is typically prepared at 18 M?/cm specific resistance using a reverse osmosis, mixed deionisation, activated filtration and final filtration at 0.2 microns.
Colour (APHA) <+/-5
Bacteriological purity 0 CFUs/L
Residue after evaporation 10ppm
Coliform negative