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Table 2 Experimental design matrix with responses

From: Effects of alkali solution on the dissolution kinetics and optimization processes of iron from Akwuke ore

Std. Particle size (μm) Agitation rate (rpm) Responses
Actual Predicted
1 45.00 90.00 78.02 73.84
2 600.00 90.00 78.21 76.27
3 45.00 490.00 72.08 72.49
4 600.00 490.00 70.04 72.70
5 69.94 290.00 69.03 71.38
6 714.94 290.00 74.07 73.25
7 45.00 7.16 73.06 77.07
8 45.00 572.84 76.08 73.59
9 45.00 290.00 84.99 86.26
10 322.50 290.00 85.05 86.26
11 322.50 290.00 86.11 86.26
12 322.50 290.00 88.08 86.26
13 322.50 290.00 87.09 86.26