The principle of potassium nitrate production with double decomposition reaction, in four-step circulation and three-step circulation is introduced in the paper. 本文简述了复分解四步循环法与复分解三步循环法生产硝酸钾原理。
Determination of Potassium, Chlorine, and Nitrate in Cigarette Paper 卷烟纸中钾、氯和硝酸盐含量的测定