No matter how carefully a method is developed and performed, there is still the potential for errors to creep in unnoticed. Such errors can have devastating consequences resulting in costly and time-consuming repeat analyses. Precious samples and reference materials may be wasted, results delayed and laboratory staff and equipment time taken up unnecessarily. Jenny Button, Product Specialist at LGC Standards, UK, discusses some commonly reported errors in the use of reference materials and how they can be avoided.
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