Matrix spike duplicate definition

Matrix spike duplicate means a duplicate sample prepared by adding a known quantity of a target analyte to a field sample matrix or other matrix that is as closely representative of the matrix under analysis as possible.
Sample 1Sample 2Sample 3
Matrix spike duplicate means the duplicate sample of the matrix spike sample that is prepared by adding a known quantity of a target analyte to a sample matrix or to a matrix that is as closely representative of the matrix being analyzed as possible.
Sample 1Sample 2Sample 3
Matrix spike duplicate or “MSD” means a replicate matrix spike prepared and processed in the laboratory in the same manner as its corresponding matrix spike, and generally used to determine the precision of the recovery of an analyte.
Sample 1Sample 2Sample 3

Examples of Matrix spike duplicate in a sentence

  • At the same time the laboratory spikes and analyzes the second field sample aliquot in Section 9.5.1.1, the laboratory shall spike and analyze a third, identical field sample aliquot.December 2005 18 NOTE: Matrix spike duplicate samples are only required for Tier 2 validation studies.

  • Matrix spike, duplicate, and blank samples were analyzed by the laboratory, and the resulting data were provided to DTSC and EPA.

  • Matrix spike duplicate RPD (mean ± SD)Lake and stream samples 5.4% ± 5.7%, n=39DL Lake and stream samples 5.3% ± 4.9%, n=19 Particulate meHg9.

  • Matrix spike duplicate (MSD)—A second sample prepared by adding a known quantity of organisms to a specified amount of sample matrix for which an independent estimate of target analyte concentration is available.

  • Matrix spike duplicate (MSD) and/or method duplicate (MD) samples (radiochemistry parameters) will be used to assess the precision with respect to the analytical methods.

  • These datacan be compared to any other data of known quality.NOTE: MD = Matrix duplicate.MS = Matrix spike.MSD = Matrix spike duplicate.

  • Spiking3 occurs prior to sample preparation and analysis.4  Matrix spike duplicate (MSD): A replicate spiked aliquot of a sample that is subjected to the5 entire sample preparation and analytical process.

  • Data Quality Objectives for Analytical Laboratory Measurements (Continued) GroupParameterNotes:CI ‐ Confidence Interval; CRM ‐ Certified Reference Material; MS ‐ Matrix spike; MSD ‐ Matrix spike duplicate; RPD ‐ Relative Percent Difference; SRM ‐ Standard Reference Material; SWAMP ‐ Surface Water Ambient Monitoring Program.

  • University of Barcelona and Institut de Bioenginyeria de Catalunya (IBEC), Barcelona, SpainElectric polarization, represented by the dielectric constant, er, is an intrinsic property of matter that plays a fundamental role in biology.

  • Matrix spike duplicate and laboratory duplicate analyses are intended to evaluate the precision of laboratory analyses of site-specific matrices.


More Definitions of Matrix spike duplicate

Matrix spike duplicate or “MSD” means a replicate MS prepared and processed in the laboratory in the same manner as its corresponding MS, and generally used to determine the precision of the recovery of an analyte.
Sample 1Sample 2

Related to Matrix spike duplicate

  • Matrix (1 2 8 9) means a substantially continuous phase that fills the space between particles, whiskers or fibres.

  • API means American Petroleum Institute.

  • Supplier of water means any person who owns or operates a public water system.

  • Double check valve assembly means an assembly composed of two single, independently acting, check valves including tightly closing shutoff valves located at each end of the assembly and suitable connections for testing the water tightness of each check valve.

  • Contract for Differences (“CFD”) shall mean a contract, which is a contract for differences by reference to variations in the price of an Underlying Asset. A CFD is a Financial Instrument.