节点文献
一元弱酸平衡计算中忽略水的离解的一般判别式及其应用
DISCRIMINATION EQUATION FOR NEGLECTING DISSOCIATION OF WATER IN APPROXIMATION CALCULATION OF HYDROGEN IONIC CONCENTRATION OF WEAK MONOPROTIC ACID AND ITS APPLICATION
【摘要】 从误差概念出发,提出与忽略水的离解的相对误差(EW),弱酸离解常数(K0)2关联的[H+]近似计算的一般判别式:CHA>(1-EW)([H+]r+KW/(EW·K0))。并应用此判别式,提出一种关于极稀或极弱酸水溶液[H+]计算式的选择方法。
【Abstract】 The discrimination equation for neglecting dissocition of water in approximate calculation of hydrogen ionic concentration of weak monoproticacid,CHy>(l- Ew,),has been presented and can be applied toan establishment of the approximate formuiae for the calculation of hydrogen ionic concentration in extreme dilute or weak acid solution.
【关键词】 一元弱酸;
氢离子浓度计算;
判别式;
【Key words】 Weak monoprotic acid; Calculation of hydrogen ionic conc- entration; Discrimination equation;
【Key words】 Weak monoprotic acid; Calculation of hydrogen ionic conc- entration; Discrimination equation;
- 【文献出处】 江西科学 ,Jiangxi Science , 编辑部邮箱 ,1988年02期
- 【被引频次】1
- 【下载频次】43