二氧化硅粉体粒度对硅酸盐转化膜制备的影响*
孔纲1,张双红1(),孙子文2,车淳山1,卢锦堂1
Effect of Size of Silica Powder on Preparation of Silicate Conversion Coatings on Galvanized Steel
Gang KONG1,Shuanghong ZHANG1,**(),Ziwen SUN2,Chunshan CHE1,Jintang LU1

图6. MS硅酸钠溶液和NS硅酸钠溶液的29SiNMR谱

Fig.6. 29SiNMR spectrum of MS and NS silicate solution