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The Krafft temperatures, surface tensions and bacteriostatic efficacies of a series of dodecyl/tetradecyltrimethylammonium salts with new type counterions based on the general formula RN+(CH3)3 A− were measured. The results revealed that the Krafft temperatures of the studied products were below 0 °C and the surface tensions of water were decreased to 22–42 mN m−1 when applying these surfactants at...
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