Sodium tetrathiocarbonate was prepared from anhydrous sodium sulfide, s ulfur and carbon disulfide at a yield of 75%.

Coupling reaction of formaldehyde and methyl formate over sodium bisulfate catalyst;

Synthesis of neopentyl glycol dimethacrylate catalyzed by sodium bisulfate;

Synthesis of tributyl citrate with sodium bisulfate as catalyst;

Synthesis of fructone-B with sodium hydrogen sulfate catalyst;

Synthesis of isoamyi propionate catalyzed by sodium hydrogen sulfate under microwave irradiation;

Utilization of by-product sodium hydrogen sulfate from chromic acid production;

Discussion of whitening process of PAN fiber by sodium thiocyanate wet spinning;