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A: True or False.,
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A: 1. n= -3, l= -2, ml = -1, ms = -1/2
Q: and
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How does a CEM detector work?
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- Where can I know the spectral properties of my sample? UV vis spectro, fluorescence spectro, Portable NIRSolution A has a percent transmittance of 45.8%. If you were to make solution B by adding 5 mL of solution A to 5 mL of water. The absorbance of solution B would be?A mass spectrum with M+ at m/z = 101 with a minor M+1 peak contains what diagnostic atom? I believe the substance talked about may be C6H15N but I am not sure. Please explain.
- Standard addition. A blood serum sample containing Na gave an emission signal of 4.27 mV. A small volume of concentrated standard Na was then added to increase the Na concentration by 0.104 M, without significantly diluting the sample. This “spiked” serum sample gave a signal of 7.98 mV in atomic emission. Find the original concentration of Na in the serum.When do you need to blank a spectrophotometer (Spec 20)? a.After the wavelength is changed. b.After completing all data collection. c.Before running a set of samples. d.Between each sample, even if the wavelength remains the same.Help interpreting IR.
- A standard containing 20 mg/mL of compound P is placed in a 1 cm cuvette. The absorbance of the standard is 1.20 at 600 nm. A sample containing Compound P has an absorbance of 0.50. What is the concentration of this sample?Explain why is FAAS a good method of quantifying Ca in milk?Project 2: Food Dye Spectroscopy Which scale is most useful for reporting data from the spectrometer? Why?
- What are the differences between a mass spectrometer and a IR spectrometer?A commercial drink mix is prepared at a concentration of 0.1 M and placed in a spectrophotometer and is measured to have an absorbance of 0.36. Finding the drink too watery, more drink mix is added, increasing the concentration to 0.15 M. What is the absorbance of the new solution?Chemistry Instrumental Analysis Class The experiment is OES: Cleaning Validation of removal of pharmaceutical drugs and calibration standards by fluoresence spectroscopy - Why the instrument use two detectors and monochromators? What type of monochromators are used in our instrument? - Do you think that a similar experiment can be prepared for the analysis of naproxen and benzoic acid? Explain.