Independent analytical testing. Results apply only to the sample received, for research use only.

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Matrix

Seen on acceptance decisions.

Definition

Everything in the sample other than the analyte. Matrix decides how hard a sample is to prepare and how much interference the measurement has to survive, which is why it is asked about before acceptance.

Related terms

Matrix effect
The influence everything other than the analyte has on the measurement: suppressing ionisation, interfering with detection, or reducing recovery.

About samples and submission

The words used about what arrives in the package.

LyophilizedReconstitutionDiluentNominal fillBlendBlind identificationRetained sample

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