[alt-photo] Re: Sodium Citrate Developer formula

[Alberto Novo]

Don, 

> Check the pH. Your target is 7.0. If it is less than 7 add sodium carbonate.
> If it is above 7 add citric acid.

Unless you wish to prepare a pH 7 solution, the pH of trisodium citate is 
close to 8 or more:
http://www.krackeler.com/products/1431-Electrophoresis-Hybridization-Reagent 
s/14452-Trisodium-Citrate-Dihydrate.htm
http://www.dsm.com/en_US/downloads/dnpci/pds0412325.pdf 

Alberto
www.grupponamias.com
www.alternativephotography.com/articles/art102.html