| 关于用K2Cr2O7+K2CrO4作双指示剂法示例的探讨 |
| |
| 引用本文： | 谢秋元. 关于用K2Cr2O7+K2CrO4作双指示剂法示例的探讨[J]. 广西科学院学报, 1996, 0(Z1): 87-89,96 |
| |
| 作者姓名： | 谢秋元 |
| |
| 作者单位： | 桂林医学院药学系 |
| |
| 摘 要： | 在酸碱滴定的双指示剂法示例中，用Ｋ２Ｃｒ２Ｏ７＋Ｋ２ＣｒＯ４取代Ｎａ２ＣＯ３＋ＮａＨＣＯ３，并改用溴甲酚绿和酚酞作指示剂．其结果表明，本法滴定的终点前颜色变化较明显，终点较敏锐，准确度较好．
|
| 关 键 词： | 酸碱滴定，双指示剂法，K_2Cr_2O_7＋K_2CrO_4 |
| 收稿时间： | 1995-03-19 |
| 修稿时间： | 1996-02-05 |
On Using K2Cr2O7+K2CrO4 as Means of Double Indication |
| |
| Xie Qiuyuan. On Using K2Cr2O7+K2CrO4 as Means of Double Indication[J]. Journal of Guangxi Academy of Sciences, 1996, 0(Z1): 87-89,96 |
| |
| Authors: | Xie Qiuyuan |
| |
| Affiliation: | Dept. of Pharmacology, Guilin Medical College, Guilin 541001 |
| |
| Abstract: | in the use of double indication in acid and alkali titration, using K2CrO7 + K2CrO4.instead of Na2CO3 + NaHCO3, and bromocresol green and phenolphthalein as indicators,the result shows that final colours change evidently in the titration with sharp destination and good accuracy. |
| |
| Keywords: | acid a.nd alkali titration means of double indicators K_2Cr_2O_7 +K_2CrO_4 |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《广西科学院学报》浏览原始摘要信息 |
|
点击此处可从《广西科学院学报》下载免费的PDF全文 |
