Figure 4: Plot of log [H2SO4] versus log at 40°C: [NBS] = 2.0 × 10−4 mol dm−3, [Hg(OAc)2] = 5.0 × 10−4 mol dm−3, [dextrose] = 2.5 × 10−2 mol dm−3, and acetic acid 30%(v/v). (◆) Without surfactant (aqueous); (■) SDS; (▲) TX-100.