Termination pH

Total phosphorus mass fraction (%)

LBP mass fraction (%)

Mass fraction of water-soluble phosphorus (%)

5.68

16.65

16.38

4.40

5.57

15.52

15.41

4.03

5.21

17.23

16.75

2.39

5.70

16.51

15.60

2.33

5.70

16.42

15.47

2.89

5.70

16.52

15.87

2.26