Answer ALL parts to this question (a) With the aid of a diagram describe the experimental set up of gas chromatography and explain howa sample is analysed.
Q: What factor allows molecules to be separated by chromatography?
A: Chromatography is a method which is used to separate, identify and purify the components of a…
Q: Why was it important that you marked the origin line and component locations on the paper…
A: Pencil is made up of either graphite or lead and it does not have any interaction with the mobile…
Q: Define the chromatography mentioning also polarity features. Write the chromatography types by…
A: A question about describing chromatography, its types and the respective mechanism.
Q: Define the terms theoretical plate, plate height, and number of plates in chromatography. Discuss…
A: Theoretical plates: Theoretical plates represent a hypothetical division of chromatographic columns,…
Q: A student properly sets up a column chromatography experiment. Although the mixture is soluble in…
A: Column chromatography is used to separate or purify different materials.This colomn chromatography…
Q: Explain what is the van Deemter equation: Assumptions, limits, and adjustment to modern high…
A: van Deemter equation is the equation which shows the relationship between plate height and mobile…
Q: Why is it necessary to cover the developing chamber tightly during the development of a…
A: Given : Development of chromatogram To find: Reason for tightly packed developing chamber during…
Q: Which of the following matches is/are incorrect regarding the paper chromatography experiment? a.…
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Q: What variables must be controlled if satisfactory qualitative data are to be obtained from…
A: ANSWER IS DISCUSSED BELOW
Q: Describe in detail the function of column in gas chromatography system.
A: The column is the one of the important part in gas chromatograph.
Q: What are the limitations of using molecular/size exclusion chromatography?
A: In SEC, mass is not measured so much as the hydrodynamic volume of the polymer molecules, that is,…
Q: Why are the components in the sample separated from each other before determination in…
A: Why components of any compound is saparate in chromatography techniques.
Q: This experiment is about column chromatography of fluorenone. Complete the table
A: The question is based on the concept of IR spectroscopy. We have to identify characteristic peaks…
Q: Which is the correct order of elution of a gas chromatography that has a polar column that contains…
A: The sample, which may be a gas or a liquid, is injected into a gaseous mobile phase during gas…
Q: What is the application of Sodium Chloride Solution in Paper Chromatography?
A: As per our guidelines, we are suppose answer the first question only. So I request you to repost for…
Q: order to execute paper chromatography, which of the following stages is required? I. Load the…
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Q: what is the best choice of detector for lorazepam in Gas chromatography
A: The best choice of detector for lorazepam in Gas chromatography is nitrogen-phosphorus…
Q: In chromatography, if the temperature of oven increases, what will be its effect on retention time…
A: Chromatography It is the separation and purification technique used in which a stationary phase and…
Q: Outline the principle of the supercritical fluid chromatography technique .
A: Supercritical fluid chromatography encompasses all chromatographic methods in which the mobile phase…
Q: When a mixture of A and B were subjected to paper chromatography, A moved up higher than B.…
A: A mixture is separated into components with the help of chromatography. In paper chromatography, the…
Q: The diagram below shows the results of a simple thin layer chromatography experiment. height reached…
A: The technique thin-layer chromatography will be described as the procedure which can be utilized to…
Q: paper chromatography?
A: Chromatography is a technique that is used for the separation of a mixture. It has two important…
Q: When a mixture of A and B were subjected to paper chromatography, A moved up higher than B.…
A: Paper chromatography technique is used to separate the compound that present in the mixture.
Q: What accounts for a high
A: Chromatography is a technique used for separation and identification of the components in mixture…
Q: Explain why a chromatographic separation normally has an optimum flow rate that gives the best…
A: When an fast flow rate is maintained, the band is not allowed to spend much time within the column…
Q: Explain how TLC and column chromatography can be used together to ensure the perfect separation of…
A: Chromatography is a technique for the separation of a compound from the mixture. The column…
Q: What is meant by retention time in gas chromatography. In what order will they come hexane, ethyl…
A: The process of separation of various constituent of a mixture in zone or in phases is known as…
Q: Draw a schematic diagram of how a Flash Column Chromatography works? Please answer at your own…
A: Flash column chromatography: It is a technical chromatography that consumed a compressed gas (such…
Q: In thin-layer chromatography, what will be the result if the solvent level is higher than the sample…
A: A multiple choice question based on thin layer chromatography, which is to be accomplished.
Q: Discuss briefly the various operations involved in paper chromatography.
A: Chromatography is based on the principle where molecules in mixture applied onto the surface or into…
Q: What types of flow meters are used in gas chromatography?
A: ANSWER IS
Q: This is the graph for gel filtration chromatography. Can you please explain why the graph has the…
A: Gel filtration chromatography is a variant of size exclusion chromatography that can be employed to…
Q: Why do we use a makeup gas for some gas chromatography detectors?
A: The method of separation of components present in the mixture is termed as chromatography.…
Q: applications
A: Let us discuss the principle of size exclusion chromatography: Here the selection of molecules is…
Q: what ccan be a cause of not getting a baseline separation when it comes to chromatography? if it is…
A: chromatography It is the separation technique that involves the principle of affinity of the…
Q: What is paper chromatography please include the importance of using it
A: Introduction : Chromatography can be defined as a technique for separating different component of…
Q: by
A: Chromatography is basically that technique which allows the separation, identification, and…
Q: The following questions regard the chromatograms shown below: Which column gives a greater…
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Q: Give a brief and clear answer, please Explain briefly the working principle and the information…
A: Spectroscopy is defined as the study of the interaction between matter and electromagnetic…
Q: What is the role of the moist filter paper inside the developing chamber during a Thin-Layer…
A: Thin Layer Chromatography (TLC): Thin layer chromatography is the separation technique used in…
Q: The following questions relate to the column chromatography experiment.a. Why does the fluorene…
A: To find: a. Why does the fluorene elute first from the column?b. Why was the solvent changed in the…
Q: In column chromatography, a) what constitutes the stationary phase, and b) what is the mobile phase…
A: By definition, chromatography is a separation technique in which a sample is equilibrated between a…
Q: When separating compounds by column chromatography, it is generally desirable to apply your compound…
A: Column chromatography is a kind of liquid chromatography and it works just like Thin Layer…
Q: What kind of mixtures are separated by gas-solid chromatography?
A: Gas-solid chromatography is based on the absorption of gaseous substances on solid surfaces. In…
Q: Comments on choice of a paper and solvent are main back bones of paper chromatography.
A: Paper Chromatography is mailny based on the choice of paper and solvent used. In this technique,…
Q: Explain why pure water or pure methanol (or acetonitrile) cannot be employed as the mobile phase in…
A: Pure water or pure methanol cannot be employed as the mobile phase in reverse-phase liquid…
Q: Draw a clearly labelled schematic representation of a Gas Chromatography system.
A: Gas chromatography is an important analytical technique used for the separation, identification and…
Q: In paper chromatography, what could happen if the lid was not immediately put on the beaker? a. It…
A: The paper chromatography performed with volatile solvent or may be mixture of volatile compounds.
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- 28. In addition to what is not a characteristic of gas chromatography as listed in the probelm can you give the general characteristics of Gas Chromatography?Two group of students wish to analyse caffeine content in tea samples. Group 1 performed the analysis using thin layer chromatography. Group 2 wish to conduct the analysis using analytical instrumentation. Suggest a possible analytical instrument method for Group 2.Briefly explain the procedural steps before instrumentation. List another two applications of this instrument.The compounds biphenyl and naphthalene are presented in a mixture. Can hexane be used as a solvent to separate the compounds by column chromatography with silica gel as the stationary phase? Why or why not.
- Chromatography is a separation technique. What is the physical or chemical basis for separation of compounds during thin layer chromatography?estimate the composition of these initial samples of distillate using figure 1. Based on the results what conclusion can you draw regarding the relative efficiencies of the two separations?The experiment wAs preformed using a recrystallization of salicylic acid. The IR was preformed using a KBR pellet method Re-state the diagnostic peaks from the results, this time with the intention of comparing the experimental to literature diagnostic values as well as fingerprint regions to provide evidence to answer your hypothesis. After comparing your values, you must discuss what conclusions you obtained (i.e. was there evidence to support that your compound is pure?)
- Correlate the structures of the standard food dyes to their relative position in the paper chromatogram. Refer to the structures shown below. What are the identities of the unknowns in paper chromatography of food dyes? How did you arrive at this conclusion?Compound A has a lower affinity for the stationary phase thancompound B and can dissolve well in the mobile phase. In theseparation of the mixture of A and B by column chromatography,which compound will be eluted first from the column? ExplainWhat are your observations performing paper chromatography?
- How was the precipitate obtained after filtration? a. By drying the precipitate on the filter paper using a desiccator. b. By charring the filter paper and igniting the product in a crucible. c. By redissolving in hydrochloric acidAll three of these are gas chromatography runs from my sample. I'm trying to figure out what it means when my retention times are as the following. Does this just mean that the machine can't get an accurate read because my sample is un pure?A student properly sets up a column chromatography experiment. Although the mixture is soluble in the mobile phase, the sample appears "stuck" at the top of the column and will not elute regardless of how much solvent is applied. What could be the cause of this problem and what could the student do to try and achieve a successful separation?