Analytical chemical results touch everyones lives can we eat the food? Do I have a disease? Did the defendant leave his DNA at the crime scene? Should I invest in that gold mine? When a chemist measures something how do we know that the result is appropriate? What is "fit for purpose" in the context of analytical chemistry?

Here the reader will find an introduction to the requirements and philosophy of accreditation. Whether completing a degree course in chemistry or working in a busy analytical laboratory, this book is a single source for an introduction into quality assurance.