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DETERMINANT FEED WATER
RESIDUE ON EVAPORATION ≤ 10 mg/l
SILICATE ≤ 1 mg/l
IRON ≤ 0,2 mg/l
CADMIUM
a
≤ 0,005 mg/l
LEAD
a
≤ 0,05 mg/l
REST OF HEAVY METALS EXCEPT IRON, CADMIUM, LEAD ≤ 0,1 mg/l
CHLORIDE
b
≤ 0,5 mg/l
PHOSPHATE ≤ 0,5 mg/l
CONDUCTIVITY (AT 20
0
C)
C
≤ 5 µS/cm
pH (20
0
C) VALUE 5 to 7,5
APPERANCE Colourless clean without sediment
HARDNESS ( ∑ IONS OF ALKALINE EARTH) ≤
0,02 mmol/l
Note: Compliance can be tested in accordance with acknowledged analytical methods.
a The limiting values meet the requirements for potable water
b Maximal chloride concentration in feed water infl uences corrosion in combination with high
temperatures.
c See European Pharmacopeia.
FEED WATER
Contaminants in feed water supplied to a dedicated steam generator.
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