chloride7 bromideunlabeled peak carbonate______________________________________ ce separation of a mixture of anions by slowed down electroosmotic flow using diaminononane as the electroosmotic flow modifying reagent the separation of a mixture of anions by slowed down electroosmotic flow was carried out according to the following general procedure and conditions the detection anion was chromate and the electroosmotic flow modifying reagent was 0 5 mm 1 9 diaminononane the polarity of the end of the capillary in which the sample was injected was negative indirect uv visible detection was carried out at 254 nm the anions were separated and detected by the procedure in less than ten minutes as shown in fig7 ______________________________________ anion ppm______________________________________1 bromide 42 chloride 23 sulfate 44 nitrite 45 nitrate 46 fluoride 1 and phosphate 4______________________________________ ce separation of a mixture of five anions by slowed down electroosmotic flow using 3 n n dimethylpalmitylammonia propanesulfonate as the electroosmotic flow modifying reagent the separation of a mixture of five anions by slowed down electroosmotic flow was carried out according to the general procedure and conditions described in example 9 except that 3 n n dimethylpalmitylammonia propanesulfonate was the electroosmotic flow modifying reagent the five anions were separated and detected by the procedure in less than ten minutes as shown in fig8 ______________________________________ anions ppm______________________________________1 bromide 42 chloride 23 sulfate 44 nitrite 45 nitrate 4______________________________________ ce separation of a mixture.