Figure 9: Plot of versus () at 40°C: [NBS] = 2.0 × 10−4 mol dm−3, [dextrose] = 2.5 × 10−2 mol dm−3, [Hg(OAc)2] = 5.0 × 10−4 mol dm−3, [H2SO4] = 0.5 × 10−4 mol dm−3, and acetic acid (30%) (v/v); (■) SDS.