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Chromatography is a method of analyzing the contents of a mixed substance. It is performed by dissolving the substance in a suitable solvent. A drop or spot of the resulting liquid is deposited near the edge of a piece of absorbent paper, such as blotting paper or special chromatography paper. The strip of paper with the spot at the bottom is then suspended over a solvent with the bottom edge of the paper in the solvent.
As the solvent soaks upwards, the solvent carries some particles upwards and away from the spot. Different compounds within the mixture will travel at different rates and eventually the strip of paper will show different bands of colors, separating out and indicating some of the various components that were in the original substance.
'Trailing a spot' is a short term for this laboratory process.
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What does it mean if the spot is in the solvent front in chromatography?
it means that the solvent dissolves the solute.
An experiment was performed in lab that was supposed to produce aspirin. How could chromatography be used to tell if aspirin was actually the product of the reaction?
i would recommend using high performance liquid chromatography or the common thin layer chromatography using a spot of the sample and a spot of dissolved aspirin to compare the Rf-value or relative retention times of the 2 spots to determine if you have aspirin
What are the different types of chromatography?
there are different types like gas chrom. and thinlayer chrom Answer: There are two types of chromatography:liquid chromatography gas chromatography
What is tailing in chromatography?
Tailing peaks are a known problem in chromatography (both HPLC and GC). It means the analytes are experiencing an out-drawn (extended) retention time and is usually due to one of these factors:Contaminated or active injector liner, seal or columnDead volume due to poorly installed liner or columnRagged column endA bad match between the polarities of the stationary phase and the solventA cold region in the sample flow path (GC)Debris in the liner or columnInjection takes too longSplit ratio is too low (GC)Overloading the inletSome types of compounds such as alcoholic amines, primary and secondary amines and carboxylic acids tend to tail
Calibration of gas chromatography?
What is the precedure for calibration of gas chromatography? How calibration is perform for gas chromatography? What is the precedure for calibration of gas chromatography? How calibration is perform for gas chromatography?
What is tailing effect in TLC?
Tailing effect is an error that occurs when the spot is not allowed to dry hence leading increased diameter of the spot in a TLC plate. Nwando Ata.
How do you calculate Rf in chromatography?
In chromatography, Rf is the distance the solute travels divided by the distance the mobile phase travels. For example, in thin layer chromatography, if the spot travels 7 cm, and the mobile phase travels 15 cm, the Rf value for that spot will be 7/15 = 0.47
What does it mean if the spot is in the solvent front in chromatography?
it means that the solvent dissolves the solute.
How do you separate substances in red ink?
Chromatography should help. Spot ink onto absorbent paper, dip edge of paper in water, and wait.
An experiment was performed in lab that was supposed to produce aspirin. How could chromatography be used to tell if aspirin was actually the product of the reaction?
i would recommend using high performance liquid chromatography or the common thin layer chromatography using a spot of the sample and a spot of dissolved aspirin to compare the Rf-value or relative retention times of the 2 spots to determine if you have aspirin
Explain the trends in e-tailing in India?
explain in the trends in e-tailing in India
What are the different types of chromatography?
there are different types like gas chrom. and thinlayer chrom Answer: There are two types of chromatography:liquid chromatography gas chromatography
What is tailing in chromatography?
Tailing peaks are a known problem in chromatography (both HPLC and GC). It means the analytes are experiencing an out-drawn (extended) retention time and is usually due to one of these factors:Contaminated or active injector liner, seal or columnDead volume due to poorly installed liner or columnRagged column endA bad match between the polarities of the stationary phase and the solventA cold region in the sample flow path (GC)Debris in the liner or columnInjection takes too longSplit ratio is too low (GC)Overloading the inletSome types of compounds such as alcoholic amines, primary and secondary amines and carboxylic acids tend to tail
What are 3 types of chromatography?
1. thin -layer chromatography 2. gas chromatography 3. liquid chromatography
How did the miners dispose waste?
A ditch is made beside a tree and the tailing is dumped into it, and then, the tailing is covered with earth. This method is known as Phytostabilisation.
Do tailing ponds evaborate?
That's a terrible question. Of course tailing ponds evaporate. Use your head before asking questions.
What actors and actresses appeared in Tailing the Millennium - 2000?
The cast of Tailing the Millennium - 2000 includes: Anna Zetchus as Herself - Narrator
