Hydrogen conductivity

Dissolved oxygen

Na

Cu

Fe

SiO2

Hydrazine added

Hardness

pH

uS/cm

ug/L

umol/L

After adding ammonia

Standard value

≤0.15

≤7

--

≤3

≤5

≤20

10 - 50

--

9.0 - 9.7

Expected value

≤0.10

≤7

--

≤2

≤3

≤10

--