Rapid Determination of Fluorine in Toothpaste by Potentiometric Titration
This protocol uses direct potential method to quickly measure the content of fluorine in toothpaste.Result:Fluorine content in three common brands of toothpastes for sale in supermarkets was determined.Conclusion:the average recovery rate of fluoride in toothpaste was 100.52%with RSD of 0.160%.The determination method was tested to be rapid,simple,accurate,accurate and novel.
toothpastethe content of fluorinerapid determination
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