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A. P. Brady

Bio: A. P. Brady is an academic researcher. The author has an hindex of 1, co-authored 1 publications receiving 15 citations.

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Journal ArticleDOI
TL;DR: In this article, a modified equilibrium Wilhelmy method was used to obtain accurate and precise surface tension measurements of surfactant solutions above the c.m.c. This finding places a definite limit upon the validity of the approximation represented by the phase separation theory of micelle formation.

310 citations

Journal ArticleDOI
TL;DR: In this paper, a homologous series of any soap, with increasing C-number, shows that the optimum wetting action will be reached earlier than the optimum washing action, which is in agreement with the C.M.C.

40 citations

Journal ArticleDOI
TL;DR: In this paper, a new method for determining 1st CMC from viscosity is experimentally established, and a method of determining 2nd CMC was established by transforming and viscousity in the new variables.
Abstract: (1) Several methods of determining CMC are compared and criticised. (2) A new method of determining 1st CMC from viscosity is experimentally established. (3) A new method of determining 2nd CMC from viscosity is established by transforming and viscosity in the new variables. (4) Of each soap, characteristic constants [η1] and [η2] are discovered, and it is shown that a definite relation is concluded between these values and monomer molecular weight. (5) The theoretical explanation of these newly found phenomena has not yet been made.

37 citations