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微乳液可分为单相区微乳液和多相区微乳液.前者表示微乳液体系是独立的一个相;后者表示微乳液必需与另外一个相(油相或水相),或者二个相(油相和水相)同时共存.在三个相中,微乳液处于中间,称之中相微乳液.在中相微乳液中,若两种增溶参数相等,即 V/W_s(每克活性剂增溶油的毫升数)等于V_W/W_s(每克活性剂增溶水的毫升数)时,该体系称之最佳中相微乳液.此时体系中所含 NaCl
Microemulsions can be divided into single-phase microemulsions and multiphase microemulsions, the former indicating that the microemulsion system is a separate phase, the latter indicating that the microemulsion must be mixed with another phase (oil phase or aqueous phase), or two phases (Oil and water) co-exist in the three phases, the microemulsion in the middle, called the phase microemulsion in the phase microemulsion, if the two solubilizing parameters equal, that is, V / W_s Ml of active agent solubilizing oil) is equal to V_W / W_s (milliliters of solubilizing water per gram of active agent), the system is referred to as the best mid-phase microemulsion.