Concentration result ± standard deviation

super-clean water

tap water

water from Besko intake

Prior to

After processing

Prior to

After processing

Prior to

After processing

pH

6.4 ± 0.2

6.6 ± 0.2

7.5 ± 0.2

7.6 ± 0.2

7.1 ± 0.2

7.2 ± 0.2

The specific electric conductivity

(μS/cm)

<0.1

<0.1

570 ± 63

521 ± 45

830 ± 91

679 ± 75

The permanganate index (mg O₂/dm³)

<0.5

<0.5

<0.5

0.9 ± 0.1

<0.5

1.6 ± 0.1

The content of magnesium—EDTA titrimetric method

(mg Mg/dm³)

<5.0

<5.0

10 ± 1

11 ± 1

7 ± 1

7 ± 1

The calcium content—EDTA titrimetric method

(mg Ca/dm³)

<1.0

<1.0

200 ± 10

203 ± 11

172 ± 10

176 ± 10

The content dissolved oxygen—Electrochemical probe method

(mg O₂/dm³)

<0.2

<0.2

<0.2

<0.2

8.8 ± 0.7

8.6 ± 0.7

The ammonium content

(mg NH₄/dm³)

<0.03

<0.03

<0.129

<0.129

<0.129

<0.129

The content of dissolved anions—nitrates (mgNO₃/dm³)

<0.2

<0.2

1.92 ± 0.71

2.23 ± 0.85

7.46 ± 0.97

8.62 ± 1.12

The content of dissolved anions—chloride

(mg Cl/dm³)

<5

<5

40 ± 3

35 ± 3

33 ± 3

31 ± 3

The concept of dissolved anions - sulfates

(mg SO₄/dm³)

<5

<5

66 ± 7

66 ± 7

32 ± 5

43 ± 7

The content of dissolved anions—Fluoride

(mg F/dm³)

<0.12

<0.12

0.222 ± 0.046

0.226 ± 0.045

0.251 ± 0.045

0.228 ± 0.041

Oxidation Reduction Potential (ORP) (mV)

170 ± 3

179 ± 3

142 ± 3

161 ± 4

135 ± 3

158 ± 4

Total Dissolved Solids (TDS) (ppm)

7 ± 3

9 ± 3

261 ± 5

257 ± 5

204 ± 5

195 ± 5

Analyzes performed in accordance with the procedures specified in the reference document: PN-EN ISO 10523:2012, PN-EN-27888:1999, PN-EN ISO 8467:2001, PN-C-04554-4:1999, PN-ISO 6058:1999, PN-ISO 5814:2013-04, PN-ISO 7150-1:2002, PN-EN ISO 10304-1:2009, Ac2012, and PN-EN ISO 10304-1:2009, Ac2012.