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PP036 - Exploring equilibria: cobalt(II) complexes

A relatively simple activity involving two vividly coloured cobalt(II) complexes in solution can be used to illustrate the effects of changing conditions (concentration, temperature) on a reaction at .. more

Blast furnace in a ignition tube

Blast furnace in a ignition tube

GL157 - Make-it guide - a spirit burner

Instructions on how to make a spirit burner - now includes two versions.

HC003B - Amines: aliphatic polysubstituted (1)

Risk assessment information for 1,2-diaminoethane and 1,6-diaminohexane.

GL192 - A technical guide to setting up and using the CLEAPSS colorimeter

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.. more

GL456 - Make-it guide: A simple air track

Instructions on how to make a simple air track to demonstrate collisions

SRA034 - The reaction of sodium (or potassium) with concentrated hydrochloric acid

A small amount of sodium is added to concentrated hydrochloric acid. There is fizzing and a precipitate of sodium chloride forms but no explosion. If potassium is used there is ignition but again, no .. more

Reducing Air Pressure Effects on Water Boiling Point

Showing the effects of a lower air pressure on the boiling point of water.

GL408 - Sub-culturing Mucor hiemalis for class use

This guide describes how to sub-culture Mucor hiemalis for class use

HC009B - Ammonium salts: other (2)

Risk assessment guidance for Ammonium salts: other (2)

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