摘要
通过采用大分子包覆和醇析重结晶技术制备的改性保险粉,提高了甲酸钠法保险粉粒度的同时实现了粒径窄分布,做到了本质上无尘化;利用大分子羧酸盐进行包覆,提高了还原持久性。
Modified sodium dithionite,using macromolecular coating and methanol recrystallization technology,improves particle size,achieves narrow size distribution,and is essentially dust-free compared to the traditional sodium formate method.The persistence of reducibility is also enhanced by coated macromolecular carboxylate.
作者
董亮
DONG Liang(CNSIG Anhui Hong Sifang Co.,Ltd.,Hefei 231602,China)
出处
《盐科学与化工》
CAS
2023年第8期19-21,共3页
Journal of Salt Science and Chemical Industry
关键词
保险粉
粒径分布
还原持久性
Sodium dithionite
Particle-size distribution
Persistence of reducibility