CLEAPSS What's New

The latest resources published by CLEAPSS.

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GL253 - Suppliers who are associate members of CLEAPSS (24 Oct 2025)

The individuals, companies and organisations listed in this document are associate members of CLEAPSS. They are permitted to display the CLEAPSS logo with the text “Associate Member of CLEAPSS” This m.. more

GL489 - Collaboration between CLEAPSS and LabLogger FAQ (20 Oct 2025)

CLEAPSS and LabLogger are collaborating to support practical science! The collaboration will use anonymised requisition data from LabLogger to build a picture of school science practical work. Partic.. more

PP122 - Lithium Sodium Potassium Reacting with Water (10 Oct 2025)

This procedure is required by every examination specification, as it illustrates the change in reactivity in Group 1 of the Periodic Table. However, the reaction between sodium and potassium with wate.. more

Tec Tip -Magnets and field lines, ways to clean up iron filings and an alternative method that uses twist ties (9 Oct 2025)

Magnets and field lines, ways to clean up iron filings and an alternative method that uses twist ties

2025 Hazcard Updates ONLY (30 Sep 2025)

This contains all Hazcards updated in 2025 in one handy file. For a all in one file of ALL Hazcards see updates here.

All CLP Hazcards - 2016 Edition (with 2025 updates) (30 Sep 2025)

All-in-one file of the 2016 Edition of CLEAPSS CLP Hazcards including all updates up to 30/09/2025. See Hazcard Index (GL121) for a summary of changes made.This is designed for downloading to mobile d.. more

GL121 - Hazcard Index (CLP edition) (30 Sep 2025)

An index to all the chemicals included in the 2016 Edition Hazcards and later updates. Includes Hazcard numbers and Recipe references.

HC003D - Amines: physiologically-active compounds (30 Sep 2025)

Risk assessment information for adrenaline, caffeine, nicotine and other amines

HC004C - Amines: heterocyclic (30 Sep 2025)

Includes pyridine, pyrrole & 2,3,5 triphenyltetrazolium chloride

HC009A - Ammonium salts: other (1) (30 Sep 2025)

Risk assessment guidance for Ammonium salts: other (1)

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