Table 5 The orthogonal experiments
From: Hydroxyapatite extracted by animal bone image analysis in ionic liquid choline chloride-glycerol
S-L ratio/g/g | Temperature/°C | Time/h | Dissolving rate/% | HAp yields/% | ||
|---|---|---|---|---|---|---|
1 | 1:30 | 120 | 8 | 32.12 | 17.52 | |
2 | 1:30 | 130 | 8.5 | 30.15 | 16.09 | |
3 | 1:30 | 140 | 9 | 36.17 | 21.74 | |
4 | 1:35 | 120 | 8.5 | 35.13 | 20.95 | |
5 | 1:35 | 130 | 9 | 31.11 | 17.21 | |
6 | 1:35 | 140 | 8 | 27.07 | 15.24 | |
7 | 1:40 | 120 | 9 | 34.15 | 18.51 | |
8 | 1:40 | 130 | 8 | 33.09 | 17.66 | |
9 | 1:40 | 140 | 8.5 | 28.08 | 15.84 | |
Dissolving rate/% | K1 | 98.44 | 101.4 | 92.28 | – | – |
K2 | 93.31 | 94.35 | 93.36 | – | – | |
K3 | 95.32 | 91.32 | 101.43 | – | – | |
R | 5.13 | 10.08 | 9.15 | – | – | |
HAp yields/% | K1 | 55.35 | 56.98 | 50.42 | – | – |
K2 | 53.4 | 50.96 | 52.88 | – | – | |
K3 | 52.01 | 52.82 | 57.46 | – | – | |
R | 3.34 | 6.02 | 7.04 | – | – | |
Optimal conditions | 1:30 | 120 | 9 | – | – | |