stationary phase and mobile phase

Q: In molecular exclusion (size exclusion) chromatography, molecules have the the longest retention…

A: Molecular exclusion chromatography is base on size of molecules. It is a separation technique that…

Q: Internal standard. A mixture containing 12.8 mM analyte (X) and 44.4 mM standard (S) gave…

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Q: In which mode of chromatography do solute and solvent molecules migrate in and out the stationary…

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Q: Why do peaks with long retention times become wider in gas and liquid chromatography? Which tends to…

A: Chromatography is a widely used analytical technique for separating and identifying components in a…

Q: Which of the following are characteristics of normal-phase chromatography?  I - The stationary phase…

A: The correct answer is:I and III Detailed Explanation: To understand why this is the correct answer,…

Q: what is chromatography? Explain different types of chromatography and explain how to seperate…

A: Chromatography is a laboratory technique. It is use for the separation of the components or solutes…

Q: Which of the following statements about a gas chromatogram is correct? O The height of the peak in…

A: A multiple choice question based on Gas Chromatogram, which is to be accomplished.

Q: 6. Say you are trying to separate two compounds by column chromatography. You run a column and…

A: Column chromatography is a sub-class of liquid chromatography in which we have a solid as a…

Q: Cite problems why t

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Q: Chromatography involves the separation of two or more compounds/ions caused by their molecular…

A: Chromatography involves the separation of two or more compounds/ions caused by their molecular…

Q: Are we able to completely separate pigments from each other using paper chromatography?

A: Paper chromatography is a type of chromatography in which a stationary phase, such as paper sheets…

Q: A student researcher performed a chromatographic separation of caffeine and aspartame. The retention…

A: Given tc = 209.6 sωc = 14.4 sta = 260.0 sωa = 21.2 sd = 22.1 s

Q: Chromatography is a separation technique. What is the physical or chemical basis for separation of…

A: The separation relies on the relative affinity of compounds towards both the phases. The compounds…

Q: The following data were obtained by gas-liquid chromatography on a 4.0 m packed column: Compound tr…

A: Use data from the table to calculate the effective plates.

Q: Briefly describe the basics of ion exchange chromatography.

A: Ion exchange chromatography relies on the attraction between oppositely charged stationary phase ,…

Q: In chromatography, the compound that is least soluble in the mobile phase a) Travels the furthest…

A: When a compound is dissolved in the mobile phase it is carried along the direction of flow, but when…

Q: For what type of separation would you use ion exchange chromatography (IC)?

A: Ion exchange chromatography separates ions and polar molecules based on their affinity to the ion…

Q: You are trying to separate a sample with 2 components: X and Y with GC. X has a lower boiling point…

A: Chromatography techniques are used to separate two r more compounds. The carrier gas is the mobile…

Q: What is the difference between liquid-liquid and liquid-solid chromatography?

A: Chromatography is a technique that allows the identification, separation, and determination of…

Q: Explain how column chromatography and planar chromatography methods are performed.

A: Column chromatography: This is a type of chromatography which occurs in a glass column known as…

Q: what chromatography seperation how is tlc part of it

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