Sodium phosphite

Sodium phosphite

1

And the content of sodium hypophosphite in the product is 98.79 % , the content of sodium phosphite is 1.17 % and the content of Calcium is 0.03 % .

产品中次磷酸钠得含量为98.79%，亚磷酸钠的含量为1.17%，钙的含量为0.03%。
2

It is said that the optimum conditions for DP finish are 8 % maleic acid anhydride , 4 % ammonium persulfate ( ratio to maleic acid anhydride weight ), 0.05 % chitosan , 7 % sodium phosphite , 4 % triethanolamine , curing at 170 ℃ for 2 minutes .

研究结果表明，防皱整理的最佳工艺条件为：马来酸酐8%，过硫酸铵4%（对马来酸酐重），壳聚糖0.05%，次亚磷酸钠7%，三乙醇胺4%，170℃焙烘2min。