in analysis: refers to the analytical sample, considered as an assemblage of constituents, with all their individual properties. The combined effect that the various constituents of the matrix may exert on the measure of the analysis of the element is referredto as the matrix effect.

The term "matrix" was found in the following pages:

Instrument database: Analytik Jena AG - High-Resolution Array ICP OES: High-performance Elemental Analysis
Link database: NEMI: Method Number: 302.0: Bromate in Drinking Water Using 2-D IC With Suppressed Conductivity Detection
Material database: Canadian Certified Reference Materials Project (CCRMP) - MA-1b Gold Ore
Mercury isotope ratio measurements of methylmercury in fish | EVISA's News
Instrument database: Teledyne CETAC Technologies - DSA-7 Discrete Sampling Accessory
Instrument database: VG Elemental - VG 354 TIMS
CANAS'09: Colloquium Analytical Atomic Spectroscopy | EVISA's Agenda of Events
Link database: NEMI: Method Number: 557: Haloacetic Acids, Bromate, and Dalapon in Drinking Water by IC-ESI-MS/MS
Link database: FDA: igh Performance Liquid Chromatography-Inductively Coupled Plasma-Mass Spectrometric Determination of Four Arsenic Species in Fruit Juice
Instrument database: PerkinElmer SCIEX - ELAN DRC-e
New Agilent HPLC column for routine determination of arsenic species in human urine by HPLC-ICP-MS | EVISA's News
Instrument database: Buck Scientific - 210VGP Atomic Absorption Spectrophotometer
Instrument database: Teledyne Tekmar - SOLATek 72 Multi-Matrix Vial Autosampler
Instrument database: Analytik Jena AG - contrAAź 800 D - Dual Atomizer Atomic Absorption Spectrometer
Material database: National Institute of Standards and Technology (NIST) - SRM 1575a - Trace Elements in Pine Needles
Instrument database: Thermo Scientific - ELEMENT XR
Instrument database: Shimadzu Corporation - ICPS-7000 Sequential Plasma Spectrometer
Books and Special Issues on Elemental Speciation (published since 2011) | EVISA's News
All about certified reference materials (CRMs) | EVISA's News
Link database: FDA: Elemental Analysis Manual: Section 4.11: Arsenic Speciation in Rice and Rice Products Using HPLC-ICP-MS