Atomic absorption spectroscopy (AAS) and UV-Vis spectroscopy is similar in principles”. Do you agree with this statement? Explain briefly.
Q: Based on the absorption spectra below, what would be the color of the pigment?
A: The colour that is absorbed is not reflected in fact its complementary colour is reflected.
Q: a. State TWO (2) advantages of Inductively coupled plasma-optical emission spectroscopy (ICP-OES)…
A: Advantages of Inductively coupled plasma-optical emission spectroscopy over flame atomic absorption…
Q: Describe the effects of a lethal dose of ionizingradiation at the molecular level. What type of…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: What Form of energy is present in UV radiation ?
A: Ultraviolet radiation or UV radiation:It can be defined as the light in the range of wavelengths…
Q: The Cavity Ring-Down Spectroscopy (CRDS) technique offers greater sensitivity compared to other…
A:
Q: The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What…
A: A photosynthetic pigment is a pigment which is found in green plants and do not absorb all the…
Q: What functional unit vibration would you expect to see on an IR spectrum and about where would it…
A: Procedure of functional unit vibration that can be expected to see on an IR spectrum where there…
Q: What factors determine the relative intensity of transitions in a pure rotational absorption…
A: Absorption spectroscopy is a spectroscopic technique that is based on the absorption of radiation by…
Q: What should be the minimum specification of a spectrophotometer that will be used to determine the…
A: Spectrophotometers are used to measure the concentration of a known substance in a solution.
Q: The magnesium electron spectrum has a line at 266.8 nm. Does it have a greater speed in a vacuum (an…
A: Electromagnetic radiation is a form of energy also known as light. Light travels at speed of 3,00,…
Q: 11
A: The three radioactive elements given in the question like 3H, 14C and 35S are small energy beta…
Q: B The (Me2C3C%3DCM 2)Fe(CO)4 below -60 C shows three peaks in the intensity ratio 1:1:2 but at 30 °C…
A: The reference structure of this compound contains iron chelated with carbonyl groups along with the…
Q: A chemistry student at GGC synthesized a new sulfonamide (S7) drug to help treat malaria. Using a…
A: In chemistry, the half-life of a species is generally the time it makes for the concentration of…
Q: eluent strength increase as solvent becomes less polar in reversed-phase chromatography, whereas…
A: Reversed- phase chromatography – uses a non - polar stationary phase. Eluent strength is increased…
Q: Assume that you list the following types of electromagnetic radiation in order of increasing…
A: Radiation refers to the energy that travels and spreads as it moves. The waves of the…
Q: Why are quantitative absorbance measurements made at lambda max?
A: Introduction :- Using spectrum of wavelength , different levels of absorption can be calculated. It…
Q: Discuss the physical orig ins of the gross selection rules for infrared spectroscopy and vibrational…
A: The basic principle of all spectroscopic techniques is to focus a beam of electromagnetic EM…
Q: If we wanted to measure the BSA absorbance without the Biuret reagent, which wavelength would we use…
A: BSA stands for bovine serum albumin, which is a protein extracted from cows' serum albumin. In lab…
Q: What should be the minimum specification of a spectrophotometer that will be used to determine the…
A: Since you have posted a question with multiple sub-parts, we will solve the first sub-part for you.…
Q: If we want to observe the following reaction, what must we add to a test tube? Select all that…
A: A chemical reaction is defined as the interaction between different molecules.
Q: Choose your favorite drug (so far), and research its IR spectrograph, mass spectrometric…
A: In IR spectroscopy, the Infra red spectrum of the electromagnetic spectrum is used for investing…
Q: In your first paragraph you should explain the theory of chromatography in general, and the behind…
A: Chromatography is a biophysical laboratory technique which is used to separate, identify and allow…
Q: 20 4. A sample containing ethanol and water was found to have n = 1.3400. Calculate the exact…
A:
Q: Which of the following would you expect to elute first from a silica gel column eluted with hexane:…
A: Chromatography is a technique used for separating mixture in a laboratory. The mixture requires a…
Q: draw the alkane strucutre based off the IR spectrum, 1H NMR spectrum, and 13C NMR spectrum for this…
A: From IR, the IR peak at the 3000 range corresponds to the C-H bond. Review your table if you have…
Q: Based on the data chart below, how far did the solvent travel up the chromatography paper?
A:
Q: h. If the wavelength on the electromagnetic spectrum is 575 nm, what is this wavelength in meters?…
A: In healthcare, radiation use is for both diagnostic and treatment purposes.
Q: How does HPLC differ from ionexchange chromatography?
A: In chromatography, mixture of compounds are separated into individual components based on their…
Q: What happens to the color intensity as the concentration of alcohol increases? Explain the…
A: The most punctual created breath analyzer depended on a substance standard where breathed out air…
Q: in paper chromatography what is the basis of pigments separate?
A: Paper chromatography is a technique in which different types of pigments can be separated from each…
Q: Column Chromatography Another name for separation in column chromatography is
A: Another name for seperation in coloumn chromatography is Adsorption column chromatography.…
Q: Different light source requires for the molecular absorption spectrometer and for an atomic…
A: A spectrometer is any instrument used to measure change in spectrum. This could be a mass-to-charge…
Q: List two situations when you would not be able to use the UV-Vis absorbance at 280 nm to determine a…
A: There are different ways of determining protein concentration. UV-Vis spectroscopy is one such…
Q: What is the wavelength of a 6.76 x 1012 /s wave?
A: Wavelength is defined as the length between two adjacent points that are either crest or trough.
Q: List down the substances in which both specific and optical rotation are needed to be measured. And…
A: The rotation of the plane of polarisation of linearly polarised light as it travels through specific…
Q: Which of the following are uníts for wavenumber in IR spectroscopy? O cm 1 cm O Js1 mm O J-s
A: Wavenumber is defined as the number of wavelengths per unit distance, in centimeters (cm−1) IR…
Q: Part B: Preparation of Standard Graph & Determination of Concentration of Original Unknown Indigo…
A: Standard curves are plotted by using the light absorbance value and the solution concentration.…
Q: Besides 1H NMR, FT-IR, melting point, data for refractive index, what other information could you…
A: The purity of any compound is the measure of the extent to which a given substance is pure in its…
Q: Sulfamethoxazole is a type of sulfonamide antibiotic. Its absorbance ranges from 250-300 nm in a UV…
A: Sulfamethoxazole Sulfamethoxazole is a sulfonamide based bacteriostatic antibiotic, widely used to…
Q: Why the physicochemical changes in liquid water caused by radiation is the key to understanding the…
A: The physical and chemical properties of any material are referred to as its physicochemical…
Q: Relative Absorbance 400 500 600 700 wavelength in nanometers (nm) violet blue green yellov orange…
A: Pigments are defined as the molecules that absorb specific wavelengths of light and all others are…
Q: What is the driving force behind paper chromatography?
A: Chromatography is a laboratory method of separating the mixture into individual components. It…
Q: Predict the relative intensity and wavelength maxima for the given molecules and stated conditions.
A: Intrinsic fluorescence is observed due to three aromatic amino acid residues - phenylalanine,…
Q: How can you tell in an IR spectrum if the compound has just one or two oxygens? What is the…
A: Infrared Spectroscopy or IR spectroscopy is the study and measurement of interaction between the…
Q: Explain the differences, if any, between adsorption and gas solid chromatography
A: Introduction- Chromatography is a technique that is used to separate the mixtures present in the…
“Atomic absorption spectroscopy (AAS) and UV-Vis spectroscopy is similar in principles”. Do you agree with this statement? Explain briefly.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- The Cavity Ring-Down Spectroscopy (CRDS) technique offers greater sensitivity compared to other conventional spectroscopy techniques. Explain the underlying mechanism of this.The electronic excitation method in fluorescence and absorption spectroscopy is the same. What are some of the variations between using a fluorimeter to perform an excitation scan and an absorption scan? Do you think the two spectra should be similar? Describe. More info attached like protocol if neededCompare the two (or more) quantum dots emission at850 pbs/cds.. lnGaAs materials - which would be preferable for labeling certain molecules/organelles in biological samples for fluorescence microscopy? What were your considerations for this choice?
- Sulfamethoxazole is a type of sulfonamide antibiotic. Its absorbance ranges from 250-300 nm in a UV spectrophotometer, which tells that it is in the UV region. What characteristic/s of sulfamethoxazole is responsible for the absorbance in the UV region? Please answer in detail and clearly. Thank you!NMR is considered a low-sensitivity spectroscopic technique. What is the physical basis of NMR's insensitivity?What are the limitations of UV Visible spectroscopy and fluorescence spectroscopy? Include reference link if possible
- What is the difference between Raman Spectroscopy and SERS ( Surface Enhanced Raman Spectroscopy).What are the processes of concentrate samples analysis in Uv-visible spectroscopy? Please shortly answer at your own words(3-4 lines).Discuss the physical orig ins of the gross selection rules for infrared spectroscopy and vibrational Raman spectroscopy.
- What do you think is/are the characteristic of sulfamethoxazole (antibiotic) that allows it to absorb light in a spectrophotometer at a UV range or at a colorless wavelength? Please provide detailed and clear responses. Thank you very much!Draw a UV-Vis spectrum for each protein (shown in the table below) (A, B, C, and D) from 240 – 480 nm if they were all present at 20 µM.Describe the mechanism of SERS( Surface Enhanced Raman Spectroscopy).