The reason as to why the samples can often be separated into their components by chromatography is to be stated. Concept introduction: Chromatography is the technique used to identify the components of a mixture. The separation of mixture is based upon the polarity of the components present in the mixture. The division of the distance covered by the component of a compound to the distance covered by solvent in the chromatography technique is known as the R f value. The full form of R f value is retention value.

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PAPER CROMATOGRAPHY • Define chromatography • Demonstrate an understanding of the process of chromatography • Describe the steps involved in a chromatography investigation Explanation Coloured inks are often made up of several different inks. Each colour of ink will get carried a different distance by the water, allowing you to see all of the different inks. Try this with different colours to see what actually goes into a colour. This technique is called chromatography and can be used in chemistry to find out what is in an unknown mixture. II. Materials .Felt tip pens (non-washable) . Kitchen roll .A bowl or cup . Water • Scissors III. Health and safety • Make sure that you thoroughly clean any equipment after the experiment before using for food IV. Procedure Method 1 1. Take a sheet of kitchen roll and draw a simple picture with a non-washable felt tip pen. 2. Place the sheet over an empty bowl. This is to keep the paper from getting too wet. 3. Carefully add a few drops of water…

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Chapter 2, Problem 2ASA

Interpretation Introduction

Interpretation:

The reason as to why the samples can often be separated into their components by chromatography is to be stated.

Concept introduction:

Chromatography is the technique used to identify the components of a mixture. The separation of mixture is based upon the polarity of the components present in the mixture. The division of the distance covered by the component of a compound to the distance covered by solvent in the chromatography technique is known as the Rf value. The full form of Rf value is retention value.

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PAPER CROMATOGRAPHY • Define chromatography • Demonstrate an understanding of the process of chromatography • Describe the steps involved in a chromatography investigation Explanation Coloured inks are often made up of several different inks. Each colour of ink will get carried a different distance by the water, allowing you to see all of the different inks. Try this with different colours to see what actually goes into a colour. This technique is called chromatography and can be used in chemistry to find out what is in an unknown mixture. II. Materials .Felt tip pens (non-washable) . Kitchen roll .A bowl or cup . Water • Scissors III. Health and safety • Make sure that you thoroughly clean any equipment after the experiment before using for food IV. Procedure Method 1 1. Take a sheet of kitchen roll and draw a simple picture with a non-washable felt tip pen. 2. Place the sheet over an empty bowl. This is to keep the paper from getting too wet. 3. Carefully add a few drops of water…

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