Table 1.

Zeta potential and pH of antigens, adjuvants and vaccines.

Group	Zeta Potential(mV)	Conductivity (mS/cm)	pH
Hib	−18.57 ± 0.86	1.58	6.35
sIPV	−0.71 ± 0.44	2.42	6.48
AH1	11.80 ± 0.70	0.03	6.13
AH2	7.94 ± 0.50	0.51	6.33
AAHS	7.85 ± 0.14	2.28	6.35
AP	−24.70 ± 1.15	0.12	6.91
Hib + AH1	7.87 ± 0.11	1.63	6.03
sIPV + AH1	3.89 ± 0.18	2.31	6.24
Hib + AH2	19.9 ± 0.46	0.53	6.25
sIPV + AH2	29.73 ± 1.04	0.8	6.22
Hib + AAHS	6.04 ± 0.37	1.88	6.38
sIPV + AAHS	8.99 ± 0.37	2.52	6.43
Hib + AP	−28.47 ± 1.17	0.41	6.74
sIPV + AP	−21.23 ± 1.06	0.57	6.61