Area of application and intended use
Part 1 • Page 2-3
Part 1 – Operating Instructions
Rev. 4.00 December 2014
Software version 1.04
EcoRO Dia I/II (HT)
Part 1 • Chapt
er 2
2.4
Water quality requirements
In order to avoid endangering the health of patients, the water quality must satisfy the appropriate guideline,
depending on the application. Water shall not contain substances greater than those listed in the table:
Definition of
water quality
Drinking Water
(water for human
consumption)
Feed water to
Reverse Osmosis
Aquaboss
®
(Eco)RO Dia
Water for haemodialysis/ permeate
(Water for diluting concentrated
haemodialysis solutions)
Directive
EPA Nat. Primary
Drinking Water Reg.
(2009)
EPA Process
specific limits
ISO 13959:2009
and
ISO 23500:2011
AAMI ANSI ISO 13959:2009
and
AAMI ANSI ISO 23500:23500
Chemical/ Physical Values [ppm]
Sodium (Na)
200
70
70
Potassium (K)
8
8
Calcium (Ca)
Total hardness:
< 0.056 ppm CaCO3
< 5.6 mmol/l
2
2
Magnesium (Mg)
4
4
Boron (B)
1
Barium (Ba)
2
2
0.1
0.1
Beryllium (Be)
0.004
0.0004
0.0004
Ammonium (NH4)
0.5
Aluminum (Al)
0.05 to 0.2
<0.01
0.01
0.01
Metals
- Copper (Cu)
- Arsenic (As)
- Lead (Pb)
- Silver (Ag)
- Chromium (Cr)
- Selenium (Se)
- Antimony (Sb)
- Mercury (Hg)
- Nickel (Ni)
- Tin (Sn)
- Iron (Fe)
- Cadmium(Cd)
- Zinc (Zn)
- Manganese (Mn)
- Uranium (U)
- Thallium (Ti)
or total heavy metals
1.0
0.01
0.015
0.1
0.1
0.05
0.006
0.002
-.-
-.-
0.3
0.005
5.0
0.05
0.03
0.02
2
0.01
0.01
-.-
0.05
0.01
0.005
0.001
0.02
-.-
< 0.1
0.005
-.-
< 0.01
-.-
-.-
0.1
0.005
0.005
0.005
0.014
0.09
0.006
0.000 2
-.-
-.-
-.-
0.001
0.1
-.-
-.-
0.002
0.1
0.1
0.005
0.005
0.005
0.014
0.09
0.006
0.000 2
-.-
-.-
-.-
0.001
0.1
-.-
-.-
0.002
Cyanide (CN)
0.2
0.2
-
0.02
Chlorine
4
total chlorine: 0.0
0.1
0.1
Cloramines
4
Chlorine dioxide (ClO2)
0.08
Chloride (Cl)
250
250
Fluoride (F)
2
1.5
0.2
0.2
Sulphate (SO4)
250
500
100
100
Nitrate (NO3)
2 (as N)
2 (as N)
Nitrite (as Nitrogen)
1
0.5
Polycyclic aromatic
hydrocarbons
0.0001
Benzene
0.005
Bromate
0.01
0.01
Tetrachloroethene and
Trichloroethene
0.005
Trihalogenmethane
0.08
Vinyl chloride
0.002
Silicic acid (SiO2)
< 10
pH value
6.5–8.5
6.5–9.5
Temperature
6–30°C
43-86°F
El. Conductivity/ TDS
TDS: 500
EC: < 1000
μ
S/cm at
20 °C/ 68°F
TDS: 500 ppm
Silt density index SDI(15)
< 5