Reagent blank definition

Reagent blank means reagents used in the procedure taken through the entire method. Reagent blanks are used to determine the absence of significant interference due to reagents or equipment used in the analysis.
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Reagent blank means reagents which are used in the procedure taken through the entire method and which are added in the same volumes as used in the sample preparation. A Reagent Blank is analyzed in the same manner as the representative sample.
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Examples of Reagent blank in a sentence

  • Reagent blank: The reagent blank is used to evaluate possible contamination of analytical process by target contaminants.

  • Each digestion set contains approximately 20 samples and the following quality control: (1) Reagent blank – water and acids.

  • UNDP audit of nationally executed projects covers implementing partners.

  • Procedure: Exactly, 0.5 ml of reagent 1 (phosphate buffer, α-oxoglutarate and L-alanine) was dispensed into labelled test tubes: one containing 0.1 ml distilled water (Reagent blank) and the other 0.1ml of the testserum (sample).

  • Figure C.3.4. Reagent blank (Vblk, dw) determination for set A (top) and set B (bottom).

  • The equipment (AAS) was first calibrated using certified reference standard (SRM 1570) of the National Institute of Standards and Technology for the respective heavy metals to obtain calibration curve with the equation R2=99.7. Reagent blank was run at intervals of every five samples analysis to eliminate equipment drift.

  • Reagent blank (1000 µL) and samples (10 µL) or standard (10 µL) were put into cuvette and mixed gently by inversion.

  • Reagent blank was first prepared by adding 0.5mL of buffer (Phosphate buffer, L-aspartate and α-oxoglutarate) and 0.1 mL of distilled water in a test tube.

  • Commenter #4 commented, regarding Chapter One, Glossary Page ONE-17, that under BLANK, "Reagent blank" is improperly defined as the same as "method blank".

  • Procedure Exactly, 0.5 ml of reagent 1 (phosphate buffer, α-oxoglutarate and L-aspartate) was dispensed into labelled test tubes: one containing 0.1 ml distilled water (Reagent blank) and the other 0.1 ml of the test serum (sample).

Related to Reagent blank

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