CLEAPSS Supporting practical science and technology
CLEAPSS Chemistry
Chemistry – Let's make it happen!

CLEAPSS provides guidance for teachers, technicians, science advisers and H&S officers on all aspects of practical work. We know that chemistry experiments can cause problems and activities may not 'work' as expected, or provide the effective learning opportunity that’s required. Sometimes, health and safety concerns are raised about the chemicals involved.

CLEAPSS works with suppliers and others to ensure that suitable chemicals and equipment are used in schools and we can also suggest ideas and innovative methods that might help you enhance practical chemistry in your school.

Colourful displacement reaction
So, if you’re stuck, or need a bit of advice, get in touch by e-mail or 'phone and we'll do our best to help!

Latest news from CLEAPSS..
Changes to the ionising radiation regulations - Latest Update - 06/02/184 Jan 2018
The regulations controlling the use of radioactive materials are changed in January 2018. 

This change will affect education employers. The radioactive sources typically used in school-science fall into the 'medium risk band' and consequently education employers with these sources will be required to register with the health and safety regulator (HSENI for NI, HSE for the rest of the UK). 

The notification from the current regulations cannot be carried over - a new registration is required.

Please note this is a new system and as such it is a changing situation. Please check back regularly for updates about how to register.

We have created a how to register guide, which you can access here.

To find out if you are in a high Radon area, please use this map.

Latest update : 6th Feb 18:00
#TECHOGNITION22 Feb 2018
#TECHOGNITION is a national celebration of the work of school science technicians and will take place from the 5th to the 9th of March 2018.

The aim is to publicly showcase the incredible work that school science technicians do on a daily basis and show that technicians are an essential and highly skilled workforce that play an important role in the running of any successful school science department.

For more info see here.
Want to work at CLEAPSS?27 Jan 2018
We are looking for a Finance Manager, find all the details here.
Use of Human Bodily Fluids in Standard School Science Experiments in Northern Ireland17 Jan 2018
The use of human bodily fluids is now allowed in standard science experiments in Northern Ireland schools. CLEAPSS guidance has been updated to reflect the change.
Salters’ National Awards For Science Technicians 20189 Jan 2018
Calling all technicians! Don’t miss out in gaining recognition for the important work that you do.

Click here for details on how to apply for a £1000 Salters’ Technician Award. Closing date for applications is Friday 4th May 2018.
Chemistry Resources
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Members only resource Click to download Document.
This leaflet is intended to give brief details only of the major manufacturers and suppliers of electronic balances suitable for use in science within secondary schools and colleges.

Members only resource Click to download Document.
Outlines the work that science technicians do, the tasks which they should not, ideally, be given, and provides a pointer to the number of technicians needed in a department and to management issues w.. more

Members only resource Click to download Document.
This includes all the pictograms required by the Globally Harmonised System for chemical hazard labelling. A selection of large (A4) and small sized pictures for printing and use in schools

Members only resource Click to download Document.
Straightforward advice on how to make sure your practical lessons work as you intend. Includes planning and preparing the activity, managing students, timing and equipment, and clearing away. Also inc.. more

Members only resource Click to download Document.
Brief risk assessment guidance and experimental notes for a range of practical activities involving monobasic organic acids and their salts (Hazcards 38A, 38B, 38C, 38D).

Members only resource Click to download Document.
This guide is intended for those using, buying, or designing fume cupboards for schools and colleges. Information is provided on common problems, on choosing and installing appropriate cupboards an.. more

Members only resource Click to download Document.
Brief risk assessment guidance and experimental notes for a range of practical activities involving sulfuric(VI) acid (Hazcard 98A), sulfamic acid and sulfate(VI) salts (Hazcard 98B).

Members only resource Click to download Document.
Contains a wealth of information on the various ways of measuring pH, and the advantage and disadvantage os each. Includes all sorts of background theory which will help the reader make the most appro.. more

Free resource Click to download Video.
How to safely insert glass tubing through a rubber stopper

Members only resource Click to download Compressed Folder.
This resource installs macros to automatically insert the new CLP hazard symbols in to Microsoft Word documents and replaces the hazard symbol component of the CLEAPSS font.

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