蜂蜜蔗糖
浓度mg/L | 0 | 200 | 400 | 600 | 800 | 1000 |
吸光度 | 0.136 | 0.161 | 0.187 | 0.214 | 0.259 | 0.283 |
线性方程 | Y=6565x-856.76 | 相关系数 | 0.9904 |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
8.47 | 4.69 | 7.20 | 4.69 | 5.94 | 7.84 | 7.20 | 8.47 | 8.47 | 7.84 | 7.84 |
均值 | 7.15 | RSD | 19.9% | 3SD | 21.45 |
溶液浓度 mg/L | 仪器示值/(mg/L) | 示值误差 | ||||
1 | 2 | 3 | 平均 | mg/L | % | |
200 | 187.87 | 188.66 | 191.81 | 189.45 | -10.56 | -5.28% |
600 | 658.17 | 659.56 | 660.96 | 659.56 | 59.56 | 9.93% |
800 | 821.38 | 824.79 | 824.79 | 823.65 | 23.65 | 2.96% |
样品 | 样品加标1 | 样品加标2 | 样品加标3 | 样品加标4 | |
含量mg/L | 1459.65 | 1742.68 | 1958.14 | 2321.03 | 2363.61 |
回收率 | 70.75% | 83.08% | 78.31% | 75.33% |
样品 | 1 | 2 | 国标规定 |
含量% | 58.39 | 44.81 | ≤10 |