The apparatus of dropvolumemethod was made in this paper, accuracy of which was verified according to the literature value.
采用自制的滴体积法实验装置，以蒸馏水的表面张力作为标准，检验了其精确性。
2
Method The surface tension of SDS was determined by the dropvolumemethod in different kinds of cyclodextrins and at different concentrations.
采用滴体积法测定SDS在不同种类、不同浓度的环糊精中的表面张力。
3
The dynamic surface tensions(DST) of aqueous cetylpyridinium bromide(CPB)solutions at various concentrations was measured, by using the dropvolumemethod.