If you observe tailing in your flash column chromatography, what can you do to resolve it?

If you observe tailing in your flash column chromatography, what can you do to resolve it?
What is the main purpose of running a column chromatography? Similar to TLC. column chromatography is based on analytes being partitioned between a stationary phase (not moving) and a mobile phase (moving). What is most commonly used as stationary phase in a column? Is this material polar or non-polar? In this experiment, you will use different solvents to run column chromatography separation of different pigments extracted from spinach leaves. These solvents are a mixture of acetone and hexanes. (a) What...
When carrying out a purification of a mixture of proteins using size exclusion chromatography, you observe a peak eluting after the total volume of the column (Vt). a. What could be a possible explanation for this observation? b. What steps could you take to prevent molecules from eluting beyond to total volume (Vt) of the column?
2. (5) How is column chromatography related to TLC? Gas chromatography? Be sure to discuss mobile phase, stationary phase, sample size, sample type in your answer. 3. (2) How is Rf in TLC related to elution order in column chromatography? What do you expect to come out first and last?
why would you perform purification via recrystallization and column chromatography, and what is thin layer chromatography used for?
what will happen if you let the alumina run dry in column chromatography?
What physical property separates substances in column chromatography( and chromatography in general)?
1. What are the main differences between thin layer chromatography (TLC) and column chromatography (CC)? 2. Are CC and TLC operations conducted concurrently? Explain. 3. Name a few packing materials used in packing columns in Column Chromatography operations. 4. Explain the role of eluting solvent(s) in column chromatography procedures. 5. When performing column chromatography, which of the following compounds would you expect to elute first: Ferrocene of acetylferrocene? Explain why.
What are the advantages and disadvantages of thin-layer chromatography, adsorption column chromatography, and gas chromatography techniques? (advantages and disadvantages for each type)
column chromatography: (-)-carvone, (+)-limonene and (-)-dihydrocarveol In what order to you expect to collect the components from the column? Explain.
1. A DEAE column chromatography of IgG enriched was used. What if you prepared a column buffer so that it included 200 mM NaPi, pH 7.5 rather than 20 mM NaPi, pH 7.5. How might this alteration change the outcome of the IgG purification? Be specific.