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Briefly describe the basic principles of using absorption spectroscopy to determine the concentration of a substance in a solution Why is a reference solution needed when determining the absorbance

 Briefly describe the basic principles of using absorption spectroscopy to determine the concentration of a substance in a solution
 Why is a reference solution needed when determining the absorbance Why is a blank solution usually used as the reference
Each time after the wavelength is changed transmittance need to be readjusted. Explain whyP lease refer to the relationship between the light absorption of a substance and the wavelength What are the functions of hydroxylamine hydrochloe and sodium acetate

Feb 13 2020 View more View Less

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