例句 /

This paper introduces a way with which the content of Cl- is determined. The process follows : add standard KCrO7 solution to the medium of HSO-HClO-H O, extract with CCl , titrate water phase with standard (NH)Fe(SO) and then obtain its result .

This paper introduces a way with which the content of Cl- is determined. The process follows : add standard KCrO7 solution to the medium of HSO-HClO-H O, extract with CCl , titrate water phase with standard (NH)Fe(SO) and then obtain its result .

H_SO_—HClO_—H_ PO_介质中加入标准K_Cr_O_7用CCL_萃取,水相用硫酸亚铁按标准溶液滴定,可以测定氯离子含量.