مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
1. (in spectroscopy) The molar absorption coefficient (symbol ε ) is a quantity that characterizes the absorption of light (or any other type of electromagnetic radiation) as it passes through a sample of the absorbing material. It has the dimensions of 1/{concentration x length). e is dependent on the frequency of the incident light; its highest value occurs where the …
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