Retentate pH TA Control (Sulfurized) 3.90 ± 0.02 0.4 ± 0.00 Control (Unsulfurized) 3.90 ± 0.01 0.3 ± 0.00 PJS 3.84 ± 0.02 0.74 ± 0.00 PJWS 3.76 ± 0.01 0.74 ± 0.00 PCPJS 3.86 ± 0.00 1.07 ± 0.00

Table 9: pH and titratable acidity (TA) of loose NF retentate. Results represent mean values of three runs ± standard deviation.