select analyst"" self contained mains water purification systems producing laboratory water equivalent to double distilled quality. Supplied complete with integral graduated reservoir, water quality indicator and installation kit, no electrical supply required. Units up to 500 litres per day capacity available. Typical water quality:
inorganics residue ca0. 005, na0. 002, k0. 002, si0. 02, pb0. 001 (all p. Pm)
residual solids 0. 5 ppm.
heavy metals 0. 0001 ppm
resistancy at 25°c 1-10m ω cm
bacteria + pyrogens 99% plus rejection
toc typically 50 ppb