Metrología Química y Química Analítica
- Bundesanstalt für Materialforschung und-prüfung (BAM)
- Institute for Reference Materials and Measurements (IRMM)
- International Union of Pure and Applied Chemistry (IUPAC)
- National Measurement System (UK) - Chemical and Biological Metrology (NMS)
- NIOSH Manual of Analytical Methods (NMAM®), 5th ed.
- Sampling and Analytical Methods (U.S. Department of Labor-Occupational Safety & Health Administration)
- U.S. Environmental Protection Agency
- The Compendium of Analytical Methods (Food Program - Health Canada)
- USGS Water Quality Information Pages
- Grupo de Quimiometría y Cualimetría - Universitat Rovira I Virgili
- Quantifying Uncertainty in Analytical Measurement
- Royal Society of Chemistry Analytical Methods Committee (AMC)
- International Commission for Uniform Methods of Sugars Analysis (ICUMSA)
- German United Association for Clinical Chemistry and Laboratory Medicine - DGKL
- Method Validation Tutorials - Vrije Universiteit Brussel
- EPTIS
- The Virtual Institute for Chemometrics and Industrial Metrology
- www.chemometrics.com
- Westgard QC
- Samplers guide
- www.azti.es
- NordTest Technical Reports
- RSC WebBoard
- Laboratorios en Inocuidad Alimentaria en Chile
