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. 2014 Jan 9;12:19. doi: 10.1186/2052-336X-12-19

Table 4.

TheSNratio of each test

Test Atomic ratios of Fe to Ti (%) Temperature of calcination (°C) Time of calcination (h) Y 1 % Y 2 % Y 3 % SNaverage
Test 1
 0.1
 450
 5
 93
 92
 94
 39.3687
Test 2
 0.1
 500
 7.5
 92.0
 94.0
 93.0
 38.9113
Test 3
 0.1
 550
 10
 87.2
 89.4
 88.1
 37.9841
Test 4
 0.05
 450
 7.5
 80.4
 79.0
 78.5
 38.7957
Test 5
 0.05
 500
 10
 88.2
 86.0
 87.0
 38.0777
Test 6
 0.05
 550
 5
 81.5
 79.0
 80.0
 37.8086
Test 7
 0.2
 450
 10
 79.0
 76.0
 78.2
 39.0261
Test 8
 0.2
 500
 5
 88.5
 90.0
 89.7
 38.1667
Test 9
 0.2
 550
 7.5
 82.5
 79.5
 81.0
 37.0562
TiO2 - 450 4 72.4 70.8 69.87 -