User manual
User manual
42
Annex 7 WATER QUALITY
The table below lists the quality of the water to be used for steam sterilization as taken from the new
European standard (EN 13060, Annex C)
Table C.1: Contaminants of feed water
FEED WATER
Evaporate residue
≤
10 mg/l
Silicium oxide, SiO
2
≤
1 mg/l
Iron
≤
0,2 mg/l
Cadmium
≤
0,005 mg/l
Lead
≤
0,05 mg/l
Rest of heavy metals, excluding iron,
cadmium, lead
≤
0,1 mg/l
Chloride
≤
2 mg/l
Phosphate
≤
0,5 mg/l
Conductivity (at 20°C)
≤
15 µs/cm
pH value 5 to 7
Appearance colourless, clean,
without sediment
Hardness
≤
0,02 mmol/l
NOTE 1: The use of water for steam generation with contaminants at levels exceeding those
given in this table can greatly shorten the working life of a sterilizer and can invalidate
the manufacturer's warranty or guarantee.