量气法的改进及应用
|
|
董志强,任艳平
|
Improvement on the Equipment and Application of Eudiometry
|
|
Zhi-Qiang DONG,Yan-Ping REN
|
|
| 表6 改进量气法测定钙片a中CaCO3含量b的实验数据及结果 |
| |
|
| 平行测定次数 | m(样品)/g | V(CO2)/mL | T/K | p(CO2)/Pa | 含量/(mg·片-1) | d/% | | 1 | 0.3115 | 31.35 | 298.6 | 95998.1 | 235.5 | 0.35 | | 2 | 0.3142 | 31.35 | 298.6 | 95958.1 | 233.4 | | | 3 | 0.3128 | 31.30 | 298.6 | 95928.1 | 234.0 | |
|
|
|