6. Frequently asked questions
Where can I buy an MRC?
While there are a limited number of CRM producers, there are a great many distributors. All companies offering specialized consumables or even measuring equipment also distribute reference materials.
How long does an MR last?
The useful life of an MR varies widely according to the field of application. It ranges from a few hours for materials containing certified levels of micro-organisms, to an unlimited period for rocks or metals.
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Frequently asked questions
Abbreviations and acronyms
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