1.) Why can't you use pen to mark the chromatography paper in this experiment? 2.) Why is it important to stop the chromatograph before the solvent reaches the top of the paper? What would happen if When spottin
Why should a chromatography column never be allowed to go dry? Why should a chromatography column never be allowed to run dry? What is the driving force behind paper chromatography Why is it inadvisable to use ink pen to draw the origin and solvent lines on the TLC plate?
It stands for high-performance liquid chromatography and is used in analytical chemistry. It has many applications in pharmaceutical industries, such as the detection or identification of impurities.Answer and Explanation: In the process of reverse-phase HPLC, the more p...
Why is it inadvisable to use ink pen to draw the origin and solvent lines on the TLC plate?Chromatography:Chromatography is an analytical method used to separate a mixture into its components using the differences in the affinity of the components to the mobile pha...
Why is an enolate ion generally more reactive than a neutral enol? Why is milk a colloid? Explain. Why is it not advisable to react an acid with sodium chloride directly? Why should a chromatography column never be allowed to go dry condition? How come the formula for potassium peroxide is...
Answer to: In column chromatography, the particle size of the stationary phase makes a significant difference in separation efficiency. Explain...
Why is it important to do multiple trials of a titration instead of only one trial? Why is titration a good method? For titration, why is the Mohr method better than the Fajans method? Explain. Why can't we use gas chromatography to analyze the sample of Steroids? Why is it ...
Why is it desirable to resolve the components of a mixture before testing for their presence? Why should your dry the chromatographic paper before the spot tests? Why are small concentrated spots of sample applied to the plate? Why can't we use gas chromatography to analyze the sampl...
The mixture was refluxed until thin-layer chromatography (TLC) analysis (CHCl3:CH3OH, 30:1) showed complete disappearance of the substrate (2–3 h). Solvent was removed under reduced pressure and the residue was treated several times with CHCl3. The combined chloroform extracts were evaporated, ...