Standards of a-tocopherol in ethanol were used to determine the molar absorption coefficient, the concentration range for linearity and validity of the Beer’s law, and the precision of the method, by measuring the absorbance at 695 nm (A695).
Standards of a-tocopherol in ethanol were used to determine the molar absorption coefficient, the concentration range for linearity and validity of the Beer’s law, and the precision of the method, by measuring the absorbance at 695 nm (A695).