salt of ferrocyanic acid usually obtained by a reaction of a cyanide with iron sulphate
ferrocyanide详细解释
fer.ro.cy.a.nide n.（名词）A salt containing the negative tetravalent radical Fe(CN)', used in making blue pigments, blueprint paper, and ferricyanide. 氰亚铁酸盐：一种用于制造蓝色的颜料、蓝色版纸张以及铁氰化物的含有负三价铁原子团Fe(CN)'的盐
