0.5
The use of different Outer Junction Fill Solutions require a modification of the electrochemical parameters.
** Volumes may vary depending on the equipment available.
REAGENTS
VS blank solution (1 liter):
Add 75 g of copper sulfate pentahydrate to 1 L volumetric flask.
Add about 600 mL of DI water.
With heavy mixing, slowly add 100 mL of concentrated sulfuric acid.
Add 0.13 mL of concentrated hydrochloric acid.