na2so3

Sodium sulfite ( Na2SO3 ) is a reducing agent used to pulp paper and in photography .

亚硫酸钠可在纸浆生产和摄影术中用作还原剂。

Study on St / BA Microemulsion Copolymerization Initiated by K2S2O8 / Na2SO3

K2S2O8/Na2SO3引发St/BA微乳液共聚合的研究

Na2SO3 mixture is prepared from sulfur-containing wastewater by concentration method and the mixture is used as slurring for paper-making .

氨基苯甲醚、氨基苯乙醚生产中产生的含硫废水，采用浓缩方法得到了亚硫酸钠混合物，该混合物可用于造纸浆料。

There was better effect in decoloring IDF with NaClO than with H2O2 or Na2SO3 ;

采用NaClO对苜蓿草渣膳食纤维进行脱色，效果显著好于H2O2和Na2SO3。

The photocatalytic activity of CdS could be greatly enhanced by loading NiS as cocatalyst and using Na2S / Na2SO3 as sacrificial reagents .

本文采用NiS为助催化剂，在Na2S/Na2SO3作牺牲试剂时CdS的光催化效率得到了很大的提高。

With K2S2O8 / Na2SO3 as initiating agent , the hydrophobic association polyacrylamide derivates were synthesized by copolymerization of acrylamide , cation monomer and substituted ethylene monomer with dispersion polymerization and got nanoparticles ( diameter 60 - 80nm ) .

在过硫酸钾/亚硫酸钠（K2S2O8/Na2SO3）催化作用下，利用分散聚合的方法，合成丙烯酰胺、阳离子单体与取代乙烯基单体共聚疏水缔合衍生物，产物粒子均匀，直径60～80nm。