One ml of culture broth and 0.5 ml of CaCl2 (10 mmol/L) were added to 198.5 ml of kaolin suspension in a 500-ml beaker and the pH value was adjusted to 7.0 using 1 M NaOH or HCl.
One ml of culturebroth and 0.5 ml of CaCl2 (10 mmol/L) were added to 198.5 mlof kaolin suspension in a 500-ml beaker and the pH value wasadjusted to 7.0 using 1 M NaOH or HCl.