30.07.2010 / 10:16

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Anions  
.....

negatively charged particles

DATANORM
 .....
 Standard for data medium exchange

Total hardness

 .....
 (°dH) see new designation "total earth alkalis" below

Ion exchange

 .....
 procedure in which charged soluble particles are replaced by similarly charged particles anchored on a resin bed

Carbonate hardness

 .....
 (°dH) see new designation "acid capacity pH 4.3" below

Cations

 .....
  positively charged particles

Concentrate

 .....
 concentrated solution produced by the membrane process (reverse osmosis)

Osmotic pressure

 ..... pressure differential between two solutions separated by a semi-permeable membrane with different concentrations of dissolved materials, which is proportional to the concentration difference
Permeate ..... pure water produced by the membrane process (reverse osmosis)

Recirculate

 .....

concentrate volume circulated in the reverse osmosis process

 Acid capacity .....

titrimetrically established measure for the carbonate ions of earth alkalis (mol/m³)

Semi-permeable

 .....

Semi-permeable

Total earth alkalis

 .....

total of calcium and magnesium ions (mmol/m³)

Transmission

 .....

permeability of a medium to radiation of a certain wavelength

Reverse osmosis

 .....

Membrane separation process

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