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Thin layer chromatography is a quick and effective method of separating pigments within leaves. The pigments run clearly on the chromatogram with little outward spread, allowing Rf values to be calcul..
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words matched: pigments
To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus..
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words matched: pigments
Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school.
words matched: pigments
A simple investigation, with clear procedural advice, on looking at how chemicals affect the cytoplasm of red onion epidermal cells.
words matched: pigments
This document contains:An outline of colorimetryThe principles of the CLEAPSS colorimeterUsing a CLEAPSS colorimeter which has been set upSetting up the CLEAPSS colorimeterproducing a calibration curv..
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words matched: pigments
Guidance on how to prepare chromatography solvents and locating agents.
words matched: pigments
Outlines the most common cultures of
bacteria and fungi used in microbiology, and how to store cultures.
words matched: pigments
Using lead metal, lead oxides, bromide, nitrate(V),ethanoate, and others, safely in practical work.
words matched: pigments
This practical procedure outlines simple method for carrying out thin layer chromatography (TLC) to analyse lipsticks.
words matched: pigments
Using chromium metal, chromium salts, chrome alum, chromates and dichromates, safely in practical work.
words matched: pigments
Showing results 1 to 10 of 21
