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Which the pigments present on spinach leaves correspond to each spot in the chromatogram resulting from TLC (based on the picture below)?
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- Research the pigments present on spinach leaves. Which among them correspond to each spot in the chromatogram resulting from TLC?if the hplc chromatogram showed a large peak for LLL triglyceride, why would this be inappropriate for olive oil?Which of the following bonding interactions are important in the chromatographic separation of ibuprofen on a C18 HPLC column? A. Dispersion forces B. Hydrogen bonding C. Dipole-dipole interactions D. Covalent bonding
- A mixture of seven amino acids (glycine, glutamate, leucine, lysine, alanine, isoleucine, and aspartate) is separated by chromatography. Explain why only six spots show up when the chromatographic plate is coated with ninhydrin and heated.Separation of Amino Acids by Thin Layer Chromatography Lab Questions. Thank you for your help on these questions!Based on the given chromatograph, answer the following questions:1) Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects this concentration?2) Which of the diet sodas have the lowest concentration of aspartame? Which standard best reflects this concentration?3) What is the approximate retention time of benzoate?
- Explain how we would run a paper chromatography on an amino acid sample (explain the procedure or method). In a paper chromatography of an amino acid, the solvent front traveled 12.0 cm while the amino acid traveled 6.0 cm. What is Rf value of the amino acid?What is chiral chromatography?In order to help identify the things in a chromatogram, you can measure the Rf value for each spot. How would you work out the Rf value for each of the spots on the chromatogram above?
- If two samples have identical Rf values, in a Paper Chromatography of Amino Acids lab procedure, does this mean that they are necessarily identical molecules? ExplainRegarding TLC: a) Compounds A and B are analyzed side-by-side by TLC on silica gel. The developed chromatogram is shown. Which compound is more polar? b) Three unknown mixtures (X, Y, and Z) are analyzed by TLC. The developed plate is shown. What can be concluded about unknown Y? A. Unknown Y contains exactly two different compounds. B. Unknown Y contains at least two different compounds. C. Nothing can be concluded.1. Identify the products on your GC chromatogram using the Rf values of the compoundscompared the Rf of the standards.2. Calculate the percent composition for each compound using a ruler to measure.