The results showed that the big molecules of humic acid sodium enwrapped dicalcium silicate surface ,which prevented dicalcium silicate from contacting with the solution.

• 试验结果表明，腐殖酸钠的多基团大分子附着在硅酸二钙分子的表面上，使其不与溶液接触而避免二次反应的发生；