| 氨气敏电极法测定食醋中总氮含量 |
| |
| 引用本文： | 付大友,彭显锋.氨气敏电极法测定食醋中总氮含量[J].四川理工学院学报(自然科学版),1997(4). |
| |
| 作者姓名： | 付大友 彭显锋 |
| |
| 作者单位： | 四川轻化工学院化学工程系!自贡，643033，四川轻化工学院化学工程系!自贡，643033 |
| |
| 摘 要： | 采用PHS－2D型离子酸度计，501型氨气敏电极，在pH＞12的条件下直接规定电极电对的平衡电位差值，再对测定数据线性回归，利用线性回归方程测定食醋中总氮含量，结果表明此法快速、简便，并且其准确度和精密度都是十分理想的。
|
| 关 键 词： | 氨气敏电极 食醋 |
DETERMINATION OF NITROGN CONTENT OF VINEGAR BY AMMONIA ELECTRODE |
| |
| Fu Dayou, Peng Xianfeng.DETERMINATION OF NITROGN CONTENT OF VINEGAR BY AMMONIA ELECTRODE[J].Journal of Sichuan University of Science & Engineering:Natural Science Editton,1997(4). |
| |
| Authors: | Fu Dayou Peng Xianfeng |
| |
| Institution: | Dept. of Chem. Eng. Sichuan Institute of Light Ind. & Chem. Tech. Zigong 643033 |
| |
| Abstract: | PHS-2D expandable ion analyser and 501 ammonia electrode are used to direct determination of equilibriutn electric protential on pH>12, then used linear regression equation determined nitrogen content of vinegar. The result shows that the method is quick, simple and convenient, it's accuracy and precision are all very ideal. |
| |
| Keywords: | ammonia electrode vinegar |
| 本文献已被 CNKI 等数据库收录！ |
