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The Investigation of Povidone Iodine Solution Stability with Different Concentration
Author(s): XU Zuo, ZHOU Qingmin, FENG Wanyu, HUANG Jian, QIN Bo, HOU Meiru, XU Zongxiang, HAN Huansheng
Pages: 34-
36
Year: 2013
Issue:
4
Journal: China Dairy Cattle
Keyword: 聚维酮碘; 稳定性; 有效碘含量; pH值;
Abstract: 本试验通过直接滴定法测定PVP-I溶液的有效碘含量、pH计测定溶液pH值,对聚维酮碘(PVP-Ⅰ)溶液在不同储存温度、光照、浓度等条件下的稳定性进行了研究.结果表明,若在2个月内使用,选择0.5%PVP-Ⅰ溶液,密封、避光、置于0~4℃储存,其有效碘含量最高下降27.0)3%;若在5个月内使用,选择1.0%PVP-Ⅰ溶液,密封、避光、置于0~4℃储存,其有效碘含量最高下降26.66%.此外,溶液浓度越高,pH值越低;储存温度越低,pH值越高.
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