14. The method of claim 9, wherein the pH of the first mixture in the first process is adjusted to be in the range of 10 to 11 and the pH of the second mixture in the second process is adjusted to be in the range of 11.5 to 12.0.
first mixture in the first process
pH
range of 10 to 11
second mixture in the second process
pH
range of 11.5 to 12.0