Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
"Separating colors in leaves using Chromatography"
Member rating: No Rating | Words: | Submitted: Mon Sep 15 2003
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
YEAR 10 SCIENCE SCIENCE RESEARCH PROJECT "Separating colors in leaves using Chromatography" by Sebastien Hammond 10D INTRO: Chromatography is a technique that is used to separate the substances present in a mixture. It is also widely used to determine the identity of a substance; particuly organic compounds. In paper chromatography absorbant paper, in this case filter paper, is used as the stationary phase. A solution of the sample that is to be analysed, in this case leaves and leaf mixtures, is made up and placed onto one end of the paper as a small spot of the mixture. The position of the spot is known as the 'origin'. For paper chromatography the components of a mixture can be identified by the distance they travel along the stationary phase compared to the distance travelled by the solvent, in this case isopropyll. This is known as the Rf value and is expressed as. Distance moved from origin...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 145,970 others
Receive email updates for this category
- Simply tell us your email address and receive a weekly Study Help Email for FREE
- Receive 3 FREE essay views with each email
- Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk
