Determination of Methanol in Cosmetics by Sulfurous Acid and Basic Fuchsine Colorimetry / 环境与健康杂志

0.05). Beer's law was obeyed when methanol concentration was 0-0.07 mg/ml with the correlation coefficient r=0.986. Conclusion This method was accurate and precise, which was suitable for the determination of methanol in cosmetics containing ethanol or not.