【摘要】 本文提出了一种简易标准加入法测定牙膏、铝基牙膏、氧化铝中氟的含量。测定简单、计算方便,方法精度好、相对标准偏差为4%。样品分析结果与光度法、标准加入法相符。更多还原

【Abstract】 This article decribes a simple standard addition method for the deter mination of fluoride in toothpaste, aluminium base toothpaste and aluminium oxide The determination is simple and convenient. The method is ofgood precision. Relative standard deviaton is about 4%. The results areagreed well with spectrophotometric method and standard addition method.更多还原