Conclusion Citrate buffer solution is the best solution for the preparation of povidone-iodine gel and the solution is helpful to improve the stability of the gel.
结论枸橼酸盐缓冲溶液是制备聚维酮碘凝胶最佳的缓冲液，有利于提高聚维酮碘凝胶的稳定性。
RESULTS A few of irregular granules were found in 1% formaldehyde solution, citrate buffer, 5%dextrose solution, TAE solution and 5%EDTA-K2solution.
结果1％甲醛溶液、枸橼酸盐缓冲液、5％葡萄糖溶液、TAE溶液、5％EDTA-K_2溶液含有不规则形颗粒，颗粒数量不多；
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