What is the factor that does NOT influence ‘retention time’ of an anlyte in gas chromatography? (a) temperature of detector; (b) column temperature; (c) volatility of analyte; (d) polarity of analyte; (e) flow rate of carrier gas

Q: What are the common components of the buffers used in hydrophobic column chromatography? Explain the…

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Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

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Q: Why is longitudinal diffusion a more serious problem in gas chromatography than in liquid…

A: The given statement is "the longitudinal diffusion is a serious problem in gas chromatography than…

Q: The identity and ratio of solvents are necessary in chromatography for achieving a good separation.…

A: if your solvent had an overly polar TLC developer then all the components of the mixture will move…

Q: 1. Why do we use relative and not absolute retention times to characterize separated components?…

A: Retention time refers to the time that is spent by the solute in the stationary phase. The greater…

Q: What is the importance of injecting analytes separately in order to ascertain the elution order in…

A: Gas chromatography is a common type of separation method and analysis of chemical compounds that can…

Q: Micellar electrokinetic capillary chromatography was conducted at pH 10 with anionic micelles and…

A: (i) In micellar electrokinetic capillary chromatography, surfactants are added to the buffer…

Q: Suggest and discuss the chromatographic method for analysis of residual toxins and elevation content…

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Q: Is it possible to detect metal complexes of organic acids with thin layer chromatography?

A: Thin layer chromatography, abbreviated as TLC, is used to identify the element or compound present…

Q: Rank the following compounds in terms of decreasing theoretical retention factors if a reverse-phase…

A: Retention factor is the ratio of distance travelled by the sample to that of distance travelled by…

Q: Swer sections C, D and E in the same answer book. ction D (Chromatography) The following data were…

A: N = 1757.286 K' = 9.285 RS = 1.578

Q: The following data were obtained during gas-liquid chromatography of a mixture of two volatile…

A: Given data for components X and Y:

Q: Describe 4 similarities and 4 differences between Thin layer chromatography (TLC) and column…

A: The chromatography technique is used to isolate the components of mixtures that have two phases, one…

Q: Column Chromatography) What complications would a dried-out column (solvent level is below the top…

A: column chromatography is the technique used to separate compounds of different polarity .In this…

Q: What mode of chromatographic separation (RPLC, NPLC, HILIC, SEC, IEX) is best used for Analysis of…

A: a). HILIC. Because there will be occuring hydrophilic intraction chromatography also it can partly…

Q: Discuss the type of chromatographic system and corresponding reagent

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Q: solve it asap. Explain what the following factors consist of and their influence on the…

A: Chromatography is an analytical technique used for the separation of mixtures based on the…

Q: Which of the following is TRUE for a reversed phase chromatography experiment? i. Less polar…

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Q: The identity of a volatile petroleum residue is determined by the (size, pattern) of its gas…

A: The identity of a volatile petroleum residue is determined by the (size, pattern) of its gas…

Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

A: Retention time is the time period where a sample spend on column. Here we have to tell which factor…

Q: Describe how a TLC study could be used to determine an appropriate solvent system for a column…

A: TLC is thin-layer chromatography and its a technique to separate non-volatile mixtures and identify…

Q: What mode of chromatographic separation (RPLC, NPLC, HILIC, SEC, IEX) is best used for Analysis of…

A: a). HILIC. Because there will be occurring  hydrophilic interaction chromatography also it can…

Q: What is reverse-phase ion-pairing chromatography?

A: This is an more efficient Technique in which counter ions of solute particles are used .

Q: What are the main differences in column size, operating pressure, sample volume and run time between…

A: Chromatography is a technique  which is used for separating the components, or solute of a mixture…

Q: SUGGEST REASONABLE CLASSIC COLUMN DIMENSIONS FOR CHROMATOGRAPHING 0.5G OF SAMPLE ON ALUMNIA

A: The size of the column decide how much accurate is the separated product. The larger and wider size…

Q: For a chromatographic peak, what is the value of retention time of analyte tR if retention time of…

A: Correct Option :  A.   75.15 s

Q: What information is displayed in a reconstructed total ion chromatogram, selected ion monitoring,…

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Q: Why is it necessary to use cold trapping on the gas chromatography column if sample is introduced…

A: Gas chromatography is an analytical technique o separate the components of a sample mixture.  Here…

Q: _is a chromatography technique in which the stationary phase 14. is always lon exchange resin."…

A: Chromatography is a technique in which we separate a single chemical compound from a mixture. If the…

Q: If retention times found on a chromatogram are 0.60 min for CH4 (=tm), 7.0 min for pentane, 8.0 min…

A: We use the formula below to find Kovat's retention index(I): Kovat's retention index, I = 100*n +…

Q: The table contains data for a liquid chromatography separation of four compounds, A, B, C, and D, on…

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Q: Water and methanol are separated using a 1.0-m packed gas chromatography column. An unretained…

A: The linear velocity of the mobile phase is calculated with the help of equation (1) where L is the…

Q: Answer in your own words. What is the advantage of very small particle sizes in Liquid solid…

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Q: How to create a better chromatographic separation(supercritical fluid) without changing the column…

A: Please find your solution below : Chromatography is an analytical technique which is used for the…

Q: What is the purpose of solid-phase extraction? Why is it advantageous to use large particles (50 mm)…

A: An extraction method where compounds are suspended (or) dissolved in mixture of liquid are isolated…

Q: Two components of a 12-mg sample are adequately separated by chromatography through a column 1.5 cm…

A: Given: 1) There are two components of a 12-mg sample = Small column mass 2) The column is 1.5 cm in…

Q: What are the mechanisms of samples separation work in Thin layer Chromatography? Please shortly…

A: TLC

Q: enumerate the advantage of TLC methods of chromatography over column and paper chromatography.

A: Chromatography is a useful technique to precisely separate, analyse, and purify a wide range of…

Q: What type of materials can be used as the stationary phase for column chromatography? O Inorganic…

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Q: Identify the mobile and stationary phases in thin layer chromatography (TLC) and explain how the…

A: Chromatography: Chromatography is a kind of laboratory process that is used in the separation of…

Q: Which statement regarding the techniques utilized in splitless injection for gas chromatographic…

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Q: 2. Account for the versatility of thin-layer liquid chromatography.

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Q: What mode of chromatographic separation (RPLC, NPLC, HILIC, SEC, IEX) is best used for the specified…

A: MSG is used in food as taste enhancer. Generally it is added in soup types of food.

Q: What is the main difference between reverse phase HPLC and standard ion-exchange or gel filtration…

A: The main difference between reverse phase HPLC and standard ion-exchange or gel filtration…