Table 6.

Effect of salt type on virus adsorption to Millipore HA filters at pH 7

Virus% Viral adsorptionc
BufferbBuffer containing 0.1 M MgCl2Buffer containing 0.3 M NaCl
MS28 A99 B61 C
PRD-16 A59 B3 C
φX1744 A57 B42 B
Poliovirus 13 A99 B>99 B
Mean57951
  • a Experiments were performed as described in Table 1, footnote a, except that the ionic strength of the salts was maintained at 0.3.

  • b Values from Table 1.

  • c Values on the same line followed by the same letter are not significantly different at P = 0.05.