Double-salt precipitation products, however, raise the pH of a calculated and measured part-volume of juice or wine pH to 4.5 which is within the range of the second dissociation values of tartaric and malic acid and easily precipitates the lowsolubility
double salt calcium tartrate malate in as little as thirty minutes.
Recent fundamental studies reveal that the crystals that produce scale are a carbonate-rich
double salt referred to as dicarbonate.
Encapsulating iron raises the cost of the finished product about 4 cents per kilogram, which could nearly
double salt's price in some nations, Diosady acknowledges.