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1. Definition A spectrophotometer is an instrument that measures the amount of light absorbed by a sample. 2. History  In Older times, it took weeks for the results to…

1. 1 2. IntroductionThermal Analysis is the term applied to a group of methods and techniques inwhich chemical or physical properties of a substance, a mixture of substances…

Slide 1 Slide 2 Moles Moles Atoms Moles Grams MOLES Copyright Sautter 2003 Slide 3 What is a mole ? A mole is a name for a number just like the word dozen is a name for a…

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Slide 1UV-visible molecular absorption spectroscopy Chemistry 243 Slide 2 Transmission and absorbance and losses The reduction in the intensity of light transmitted through…

Slide 1Gas Chromatography Introduction 1.)Gas Chromatography Mobile phase (carrier gas) is a gas - Usually N 2, He, Ar and maybe H 2 - Mobile phase in liquid chromatography…

Slide 1 Slide 2 Ultraviolet-visible spectroscopy or ultraviolet-visible spectrophotometry refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible…

1.  2. Ultraviolet-visible spectroscopyorUltraviolet-visible spectrophotometry It is used to obtain the absorbance spectra of a compound in solution or as a solid. It uses…

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