12
2.12
Water Quality
The distilled or mineral free water supplied to the autoclave should have
the physical characteristics and maximum acceptable level of
contaminants indicated in the table below:
Physical characteristics and acceptable contaminants levels in water,
for sterilizers
Element
Condensate – allowable content
Silicium oxide. SiO
2
≤0.1 mg/kg
Iron
≤0.1 mg/kg
Cadmium
≤0.005 mg/kg
Lead
≤ 0.05 mg/kg
Rest of metals except iron,
cadmium, lead
≤0.1 mg/kg
Chloride (Cl)
≤0.1 mg/kg
Phosphate (P
2
O
5
)
≤0.1 mg/kg
Conductivity (at 20°C)
≤3 μs/cm
pH value (degree of acidity)
5 to 7
Appearance
Colourless clean without sediment
Hardness (Σ Ions of alkaline
earth)
≤0.02 mmol/l
Compliance with the above data should be tested in accordance with
acknowledged analytical methods, by an authorized laboratory.
Attention:
The use of water for autoclaves that does not comply with the table
above may have severe impact on the working life of the sterilizer and
can invalidate the manufacturer’s guarantee.
Summary of Contents for 1730E
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