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- What is commonly determined using Atomic Spectroscopy? Bodn energy Elemental composition Concentration StructureHow does spectroscopy help to identify an element?Explain the meaning of the following terms and phrases: 1.1 Precision of a set of results. 1.2 Noise around an analytical signal. 1.3 A shelf-life of an aqueous trace metal standard
- You have two solutions of the same compound that are blue. one is very pale and the other is very intense. Absorbance of each solution was measured with a spectrophotometer at the same wave length at which the solution absorbs. (A) Which solution has the higher absorbance? (B) Which is the more concentrated solution?A solution has a %T value of 48.2% at 600 nm. What is the absorbance of this solution at this wavelength?2. Discuss the different factors that affect the absorbance of a solution.
- 1. TRUE OR FALSE a) Organic compounds are normally analyzed in atomic spectroscopy despite their small electronic transition range. b) Atomic spectroscopy can detect both absorption and emission radiation as electrons move from HOMO to LUMO.What is single-crystal X-ray analysis ?3. What is the purpose of using blank before measuring the absorbance of a substance?
- Explain the concept of Nuclear magnetic resonance spectroscopy ?What do you understand by estimation? Justify that using higher values of Cl gives better estimations.Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy? Choose the best answer. To heat the sample To break the atoms by heating To split the atoms into particles To reduce the sample into atomic vapor state