Table 2 Proximate analysis results of RH/RS material (dry basis, wt.%).

From: Application of response surface methodology (RSM) for experimental optimization in biogenic silica extraction from rice husk and straw ash

Proximate analysis variables

Current study

References

Ash

20.5 ± 0.46

83,84,85

Moisture

6.6 ± 0.37

76,77

VM

67.1 ± 0.78

78,79

FC

5.8 ± 0.35

86,87

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