Andy Gill wrote:
> I made a batch of CS/EIS that was a clear pale yellow. After letting > it sit for 2-3 days I added 2 drops/8 oz of 3% H2O2 expecting it to > "clear" it. It turned a cloudy "tea" color. I ended up adding more > H2O2 a day later and it finally cleared but you can really taste the > H2O2 (too much). Any ideas? Did I do something wrong? > > I believe this is what happened: > > Initially you had a fair amount of larger particles, the reason it was > yellow, and the total ppm was likely over 25 ppm. When you added the > H2O2, initially it reacted with the large particles, producing silver > hydroxide and silver oxide, which have a solubility limit of about 25 > ppm together. So some of the hydroxide and oxide precipitated forming > the cloudy part. When you added more H2O2, much of the hydroxide and > oxide reformed 2 atom particles, clearing it. > > Marshall > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com
