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Thermo Scientific™ Demineralizer Cartridges

Special resin dye changes color when cartridge is exhausted.

Manufacturer: thermo scientific™  EMDD8902

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Catalog No. S50914


Description & Specifications


Resin Type Mixed-Bed
Diameter (English) 0.3 in.
Diameter (Metric) 9.5mm
Product Type Ultra-Pure Demineralizer Cartridge
For Use With (Application) Water purification
Capacity (English) 1200 grains as NaCl; 849 grains as NaCl

Hose nipples on each end of these cartridges easily connect to your water supply with ordinary lab tubing (0.3 in. I.D. [9.5mm]). Resins in the deionization cartridge contain a special dye that changes color when the cartridge is exhausted.

High-Capacity Cartridge

  • Has a two-bed demineralizer with selected cation and anion resin beds
  • Delivers more liters per cartridge than mixed-bed types
  • Average resistance of effluent is 175kilohm·cm
  • Total ion-exchange capacity is 1725 grains (as NaCl)
UltraPure Cartridge
  • Produces high-resistance demineralized water from tap water
  • Increases purity of water from central demineralizer
  • Total ion-exchange capacity is 1200 grains (as NaCl), 849 grains (as NaCl) to 1 megohm·cm endpoint
  • pH is usually between 6.8 and 7.2
  • Water is largely free of silica and CO2