... 0.14Iron, as Fe %≤0.0155pH of 1% water solution9.2-10.06White degree %≥90.07Heavy metal, as Pb %≤ - ... mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as ... dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process. Packaging: 1000kg ...