Study on the Placement Stability of Alcohol-based Disinfectant Products
Objective:To study the placement stability of alcohol-based disinfectant products.Methods:The experiment was conducted to analyze the initial ethanol contents and placement ability of placement(simulate normal home placement conditions)stability for 9 different types of alcohol-based disinfectant products by headspace sampling-gas chromatography.Results:In the original package,the ethanol content in spray cans and capping products showed a significant downward trend with the increase of placement duration,and there was obvious differences between different products of the same class(coefficient of variation=0.3%～46.2%),while no significant change(range＜3.5%)was found in the other 7 types of products,and the difference between different products of the same type was weak(coefficient of variation＜14.4%).After opening,the placement stability of spray can type and push type alcohol-based disinfectant products with nozzles was significantly different from that of other types.Conclusion:The spray can type and push type alcohol-based disinfectant products with nozzles should be used as soon as possible after opening.individual packaging for cotton balls and wet wipes has better placement stability.
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