Explain the order of elution off a chromatography

Assignment Help Chemistry
Reference no: EM13291190

Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.

Reference no: EM13291190

Questions Cloud

Define how some solids can be analyzed by gas : Explain how some solids (compounds that are solids at room temperature) can be analyzed by gas chromatography. Also, how can they be introduced into the injector port and column
Determine the torque on the dipole about its center of mass : an electric dipole has charges of +- 4.55pC that are seperate by 6.00cm. The dipole lies on the x axis and its center is at the origin. Determine the torque on the dipole about its center of mass
What role does bacteria play in our ecosphere : Is bacteria all bad, what role does bacteria play in our ecosphere? If so, why is there so much "anti-bacterial soaps" today?
What is the resonance frequency of the patch antenna : A rectangular patch has length 13 cm and width 0.8*13 cm and is supported by a dielectric substrate with relative permittivity 4. What is (approximately) the resonance frequency (in GHz) of the patch antenna
Explain the order of elution off a chromatography : Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.
Illustrate the concentration of the compound in a solution : What is the concentration of the compound in a solution whose absorbance at 219 nm is A = 0.080 with a sample pathlength of 1.00 cm
Determine the angle between the string and the vertical : A mass of 9.30 kg is suspended from a 1.45 m long string. It revolves in a horizontal circle, Calculate the angle between the string and the vertical
What is icu pretax cost of debt : ICU Window, Inc., is trying to determine its cost of debt. The firm has a debt issue outstanding with seven years to maturity that is quoted at 108 percent of face value. The issue makes semiannual payments and has an embedded cost of 7.4 percent ..
Explain the percentage of cl in the impure sample : When dissolved in water and reacted with excess silver nitrate, AgNO3 , 0.9855 g of AgCl precipitated. What is the percentage of Cl in the impure sample

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the vapor pressure at 45 degrees c

Estimate the vapor pressure at 45 degrees C using the Clausius-Clapeyron equation and the two given data points.

  Explain the vapor pressure and enthalpy of vaporization

The vapor pressure and enthalpy of vaporization of an unknown substance are measured to be 204.2 torr and 28.8 kJ/mol, respectively at room temperature (298.15 K). Estimate the normal boiling point of the substance at an atmospheric pressure of 76..

  Explain the specific heat capacity of the solution produced

The specific heat capacity of the solution produced was 4.20 J/g•°C, and final temperature reached was 34.91°C. How much heat was produced by the dissolution

  Define semipermeable membrane is placed between the solution

A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume? Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch

  Define galactose and mannose are diastereomers

What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers

  What is the identity of the metal

One way to isolate metals from their ores is to react the metal oxide with carbon as shown in the following reaction: 2MO(s) + C(s) → 2M(s) + CO2(g)

  Mass of carbonates needed to raise solution ph one unit

Mass of Carbonates Needed to Raise Solution pH One Unit, An actual lab titration of a mildly acidic process water at a pH of 4.0 requires 0.9 grams/liter of Na2CO3 to raise the pH from 4.0 to 5.0; re-running the titration but this time using CaCO3..

  Find the partial pressure of each gas in the mixture

A gaseous mixture of 02, H2 and N2 has a total pressure of 1.50atm and contains 8.20g of each gas. Find the partial pressure of each gas in the mixture?

  Calculate the ph of solution resulting from mixing together

Calculate the pH of a solution resulting from mixing together the following: a) 37ml of HCL 0.1M+33ml of NaOH 0.03M b) 55ml of HNO3 0,7M+88ml of KOH 0.8M c) 170 ml of H2SO4 0,44M_29ml of NaOH 1.2M d)76 liters of HBr 0.01M+2 liters of Mg(OH)2 2.1M.

  How is a charge different from a mortgage

How is a "charge" different from a mortgage?

  What do we mean by the term ionic strength and activity

What happens to the amount of ionisation as we increase the ionic strength of a solution? What happens to the solubility of a salt and what is meant by the various terms we use when discussing analytical techniques?

  What is the purpose of the gas trap

What is the purpose of the gas trap in the reaction set-up? (Hint: What gas(es) are present?What are their safety issues?)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd