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If two spots are too close together on chromatography paper, you can try to improve the separation by adjusting the solvent composition or using a different solvent system that provides better resolution. Additionally, you could employ techniques such as increasing the amount of stationary phase or using a longer chromatography run to allow for greater separation. Alternatively, you could also consider using a different chromatography method, such as high-performance liquid chromatography (HPLC), which offers better separation capabilities.

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5d ago

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What is the uncontrolled variable in paper chromatography of pigments?

The temperature of the room could be an uncontrolled variable in paper chromatography of pigments, as it can affect the rate at which the solvents evaporate and the separation of the pigments on the paper. Temperature fluctuations could lead to inconsistent results in the chromatography process.


Why could chromatography be used in investigating the crime?

Chromatography could be used in investigating a crime because it can separate and analyze complex mixtures of substances, such as drugs, poisons, or chemicals found at a crime scene. By identifying and comparing different compounds in samples, chromatography can provide valuable evidence to link suspects, victims, or locations to a crime.


A hypothesis for paper chromatography?

A hypothesis for paper chromatography depends on what you are making the hypothesis on. A hypothesis for the speed of chromatography could be that you think the speed of the process can be changed depending on the type of paper, or whatever the stationary phase is, and the type of solvent being used.


What would happen if an ink pen is used in chromatography?

If an ink pen is used in chromatography, the ink may dissolve and separate into its component colors as it travels along the chromatography medium. However, this could lead to inaccurate results if the ink contains components that are not soluble in the chosen solvent, or if the ink itself is not suitable for chromatographic analysis. Additionally, the dye in the ink could interfere with the separation process and obscure the identification of the intended substances. Thus, using an appropriate marker or solvent-based dye designed for chromatography is essential for accurate results.


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?

Chromatography could be used to separate the components of the reaction mixture and identify if aspirin is present by comparing the retention time of the product to that of a known aspirin standard. If the retention time matches, it indicates the presence of aspirin in the reaction mixture. Additionally, chromatography can help determine the purity of the aspirin product by analyzing the intensity of the peak corresponding to aspirin.

Related Questions

What is the uncontrolled variable in paper chromatography of pigments?

The temperature of the room could be an uncontrolled variable in paper chromatography of pigments, as it can affect the rate at which the solvents evaporate and the separation of the pigments on the paper. Temperature fluctuations could lead to inconsistent results in the chromatography process.


How could you put chromatography in a sentence?

eg:-Chromatography is a widely used technique in chemistry to isolate different substances in pure form.


How could you predict the color a leaves will turn in the fall?

Leaf Chromatography


Could a 12 gauge shotgun kill someone with one shot?

it could kill several people if close together..........................


Why could chromatography be used in investigating the crime?

Chromatography could be used in investigating a crime because it can separate and analyze complex mixtures of substances, such as drugs, poisons, or chemicals found at a crime scene. By identifying and comparing different compounds in samples, chromatography can provide valuable evidence to link suspects, victims, or locations to a crime.


Every time you try to do a roundoff your feet refuse to close together any help?

I guess you could maybe close your feet as soon as possible or you could just practise starting with your feet together and hgave them together the whole time to get used to it. But I think the main thing is to keep practising, it will eventually come naturally. :)


What does it mean when you look into a guys eyes and he looks away?

It depends on the situation. Are you close together? Across the room? If you are close together, it could be that he is just shy.Also if you talk to them and they don't give you eye contact it can be that that person is not telling the truth to you


A hypothesis for paper chromatography?

A hypothesis for paper chromatography depends on what you are making the hypothesis on. A hypothesis for the speed of chromatography could be that you think the speed of the process can be changed depending on the type of paper, or whatever the stationary phase is, and the type of solvent being used.


Do prokarayote have nucleus?

No thery do not. There DNA is dispered throughout the cell or could be located close together called a nucleoid.


How could the different coloured dyes in green food colouring be separated?

You can use the technique called chromatography.


Why where houses built close together in early villages?

So they could protect each other easily by getting there faster


What would happen if an ink pen is used in chromatography?

If an ink pen is used in chromatography, the ink may dissolve and separate into its component colors as it travels along the chromatography medium. However, this could lead to inaccurate results if the ink contains components that are not soluble in the chosen solvent, or if the ink itself is not suitable for chromatographic analysis. Additionally, the dye in the ink could interfere with the separation process and obscure the identification of the intended substances. Thus, using an appropriate marker or solvent-based dye designed for chromatography is essential for accurate results.