Latest Resources
Showing results 1 to 10 of 33
A short overview of the common methods of water purification in school laboratories, include pros and cons. This will be useful for any teacher or technician looking to buy a new water purification sy..
more
words matched: impurities
Small pieces of sodium and potassium metal are crushed together in a test tube under an inert liquid until the alloy – a liquid at room temperature – is observed to form. There are several possible al..
more
words matched: impurities
The synthesis and purification of a liquid organic compound is described. Practical techniques include, liquid-liquid separation, washing, drying and distillation. The % yield of the organic product c..
more
words matched: impurities
A complete set of risk-assessed instructions for safely demonstrating this exciting chemical reaction.
words matched: impurities
Risk assessment guidance for Phenols (2)
words matched: impurities
Includes calcium chloride and fluoride.
words matched: impurities
Risk assessment guidance for carbon disulfide.
words matched: impurities
Risk assessment guidance for Iron, its carbonate, oxides & sulfides
words matched: impurities
Using a number of aldehydes safely in practical work. Includes ethanal (acetaldehyde), ethanal tetramer (metaldehyde), propanal (proprionaldehyde) and butanal (butyraldehyde).
words matched: impurities
Using common dyes and indicators safely in practical activities. Many such compounds , or their solvents, are hazardous but are used in such small amounts and in a very controlled way so as to limit e..
more
words matched: impurities
Showing results 1 to 10 of 33
