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Aries High Purity DI Loop

Aries High Purity DI Loop combines pretreatment, polishing deionization and filtration to produce ultra pure Type I reagent grade water free of organics and bacteria with a resistivity rating of 18.3 megohms at 25 C (77 F)

The ARIES High-Purity D.I. Loop circulates feed water through three disposable cartridges. The first cartridge typically removes chlorine and organics (OR-1, Organic Removal Cartridge), while the remaining two cartridges typically remove ionizable contaminants (MR-1, Ultra pure Cartridge). A 0.2 micron final filter then removes bacteria and particles from the water. The ARIES is an attractive, compact unit, designed to be mounted on a wall or set free-standing on a laboratory counter. A continuous-duty pump recirculates water through the cartridges to ensure constant water purity. A temperature-compensated resistivity cell

Aries High Purity DI Loop
  • Will produce ASTM Type I reagent grade water when used with appropriate pre-treatment.
  • A wide variety of cartridges is available to remove: inorganic salts, silica, carbon dioxide, precious metals, chlorine, organics, oxygen, and other contaminants.
  • Equipped with a 0.2 micron final filter to assure bacteria-free water.
  • Patented quick-disconnect cartridges utilize an O-ring sealing design, which facilitates quick and easy cartridge replacement without the use of tools.
  • Polishes water up to 18.3 megohms.
  • Constant recirculation system assures instantaneous pure water and eliminates the need for storage.
  • Produces up to 4 liters (1.1 gal) per minute of ultra pure water.
  • Temperature-compensated resistivity cell with LED readout. Meter indicates water quality and when to change cartridges.
  • High capacity (long life) cartridges mean fewer change-outs.
  • Extended cartridge life can be achieved by optional RD or DI pre-treatment.
  • A pressure regulating valve and inlet pressure gauge allow the unit to be operated continuously at 30 psig (2.1 bar).
  • Custom Cartridge configurations available.


  • High-performance liquid chromatography (HPLC)
  • Tissue culture research
  • Atomic absorption
  • Fluorescence spectroscopy
  • Mass Spectroscopy
  • Micro-electronic part and circuit rinsing
  • Reagent grade chemical solution make-up water
  • Gas chromatography
  • Biotechnology
  • Enzymology
  • Biochemical assays
  • Ultra pure water for trace metal analysis
  • Glassware rinsing
Effluent Quality
Total dissolved solids (ppb) < 20
Silicates (ppb) Sodium (ppb) <1
Organics (ppb): <50
Micro-organisms (cfu/mL) <10
Particulates (<0.22m) <1
Resistivity (megohm-cm at 25C) To 18.3
Grain-removal capacity (as CaCO3) To 3300


  • 23 in (w) x 8.5 in (d) x 25 in (l)
  • 58.4cm x 21.6cm x 63.5cm
Inlet /Outlet
  • 1/4 in FNPT
  • 1/4 in I.D. Tubing
  • Hose Barb
Electrical Requirements
  • 110V Model (US) - 120V 60Hz
  • 120V Model (Euro) - 220/240V
    50Hz, 5 amps minimum
Shipping Weight
  • 32 lb (14.5 kg)
Inlet Water Requirements
Operating Temperature
  • 37C (100F) maximum
  • 0C (32F) minimum
Water Pressure
  • 5-60 psig (0.34-4.1 bar)
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