| 配制乙醇溶液浓度(V/V)% | 实测密度均值(n = 3) | 20℃乙醇水溶液的理论密度 [20] | 密度测定值与理论值相对偏差% | 根据样品密度计算乙醇体积分数(V/V)% | GC测定结果均值(n = 3) (V/V)% | GC法与密度法结果的相对偏差% |
| 60.00 | 0.90432 | 0.90911 | −0.5 | 60.02 | 60.19 | 0.3 |
| 65.00 | 0.89268 | 0.89753 | −0.5 | 64.96 | 64.75 | −0.3 |
| 70.00 | 0.88006 | 0.88549 | −0.6 | 70.03 | 69.69 | −0.5 |
| 75.00 | 0.86711 | 0.87275 | −0.6 | 74.99 | 75.20 | 0.3 |
| 80.00 | 0.85338 | 0.85930 | −0.7 | 80.01 | 79.77 | −0.3 |
| 85.00 | 0.83912 | 0.84493 | −0.7 | 85.00 | 85.57 | 0.7 |