Quote Originally Posted by CBG View Post
Interesting. I found this comparison of chemicals used as wash aid:

Solution........................pH at M/250...............Effectiveness relative
.................................................. ....................to pure water

Demineralized water...............~6............................ ...1.0
Sodium chloride.....................6.1.................. ........ .....1.5
Sodium bisulfite.....................4.1................. ..............2.8
Sodium sulfate.......................6.4................. ..............14
Sodium bicarbonate................8.4.................... ............49
Sodium sulfite........................9.2................ ....... ........87
Sodium hydroxide...................11.6.................. ............89

C
I don't see any carbonate. Just what is meant by effectiveness?
Were equal molar quantities used? Times and temperatures.?
Not knowing the test parameters what are we to make of
those numbers? Dan