Research Article

Multiphysical Models for Hydrogen Production Using NaOH and Stainless Steel Electrodes in Alkaline Electrolysis Cell

Table 4

Characteristics of the samples at 25°C.

LiquidsCharacteristics before addition of NaOH
pHResistivity (Ωm)Conductivity (S/m)Salinity (g/kg)

AC water7.6573.1530.01370.068
>140.005376186.0114581.5

Water from pressing10.671.78010.56183.033
>140.005144194.416276.8

Water from factory11.215.02220.19911.015
>140.005297188.715133.6

Tap water
>140.006411569448.6

Values in bold italics are the characteristics after addition of 40 wt% NaOH.