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AQA Education, [1] trading as AQA (formerly the Assessment and Qualifications Alliance), is an awarding body in England, Wales and Northern Ireland. It compiles specifications and holds examinations in various subjects at GCSE, AS and A Level and offers vocational qualifications. AQA is a registered charity and independent of the government.
The UK's examination boards sometimes work together. For example, they sometimes offer qualifications jointly or share training materials for common parts of specifications. The JCQ (Joint Council for Qualifications) is a common voice for UK exam boards. The JCQ is made up of AQA, CCEA, City & Guilds, Edexcel, OCR, SQA and WJEC.
1920s: The Committee began publishing specifications for chemical reagents and test methods in scientific journals. At this point, analytical methods were primarily what we now consider to be “Classical Wet Methods". 1950: The 1st edition of Reagent Chemicals was published and introduced the application of analytical instrumentation.
Extended Project Qualification (EPQ) is a qualification taken by some students in England and Wales, which is equivalent to 50% of an A-Level.Graded A*–E and worth up to 28 UCAS tariff points, [1] it is part of level three of the national qualifications framework.
The SMARTS line notation is expressive and allows extremely precise and transparent substructural specification and atom typing. SMARTS is related to the SMILES line notation that is used to encode molecular structures and like SMILES was originally developed by David Weininger and colleagues at The Pomona College Medicinal Chemistry Project ...
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
In general, a checklist is a quality management tool, an aid to completing a complex task correctly and completely. It is an aid to recall, provides a reminder of the correct sequence, and uses the operator's knowledge and skill efficiently to ensure that no critical steps are omitted, even when the operator is under stress or has degraded attention due to fatigue or other distractions, It ...
The specification of quantum satis for an ingredient essentially means "Add as much of this ingredient as is needed to achieve the desired result, but not more." In food safety regulations in the EU it is a catch-all restriction for artificial food ingredients (especially food additives ) which are harmless enough to have no specific quantity ...