EUROLAB
en-12341-water-quality-sampling-and-preservation-of-nitrite-and-nitrate
Nitrate and Nitrite Residue Analysis AOAC 973.31 Nitrate and Nitrite in Food Testing MethodAOAC 973.31-Modified Method for Nitrate/Nitrite in FoodAOAC Official Method 973.31 Nitrate and Nitrite in FoodsASTM D3867 Determination of Nitrate and Nitrite in Water SamplesASTM D3867 Nitrate and Nitrite in WaterASTM D4629 FIA Determination of Nitrate and NitriteASTM D4629 Nitrate and Nitrite Determination by Flow Injection AnalysisASTM D4631 Analysis of Nitrate and Nitrite in Environmental SamplesASTM D6064 Nitrate and Nitrite Ion Analysis in Industrial WastewatersASTM D6546 Determination of Nitrate and Nitrite in Industrial WastewaterASTM D6546 Determination of Nitrate/Nitrite in WastewaterASTM D6547 FIA Analysis of Nitrate and NitriteASTM D6547 Ion Chromatographic Analysis of Nitrate and NitriteASTM D6919 Determination of Nitrate and Nitrite by FIAASTM D6919 Nitrate and Nitrite Ion Analysis in Environmental WatersASTM D7037 Nitrate and Nitrite Ion Analysis by SpectrophotometryASTM D7037 Spectrophotometric Nitrate and Nitrite TestingASTM D7164 Nitrate and Nitrite Determination in Water by UV AbsorptionASTM D7423 Ion Chromatographic Nitrate and Nitrite TestingASTM D7510 Ion Chromatographic Determination of Nitrite/NitrateASTM D7510 Nitrate and Nitrite Ion Analysis in Environmental WatersASTM D7512 Determination of Nitrate and Nitrite by Flow InjectionASTM D7809 LC-MS Determination of Nitrite and NitrateASTM D7837 Testing of Nitrate and Nitrite in Water SamplesEN 12014 Nitrate and Nitrite Determination in Water by Ion ChromatographyEN 12260 Determination of Nitrate by UV SpectrometryEN 12260 Water Quality — Determination of Nitrate by UV SpectrometryEN 12341 Sampling of Suspended Matter for Nitrate/Nitrite AnalysisEN 12341 Sampling Procedures for Nitrate and NitriteEN 13697 Chemical Residue Testing Including Nitrite/NitrateEN 15011 Testing Nitrite/Nitrate Removal EfficiencyEN 15088 Removal Efficiency of Nitrite/Nitrate in Water TreatmentEN 15622 Chemical Residue Testing Including Nitrite/NitrateEN 26777 Determination of Nitrate and Nitrite in Water by SpectrophotometryEN 26777 Spectrophotometric Determination of Nitrate and NitriteEN 26777 Spectrophotometric Determination of Nitrate and NitriteEN 26777 Spectrophotometric Method for Nitrate and NitriteEN 26777 Water Quality — Spectrophotometric DeterminationEN ISO 10304-1 Determination of Nitrate and Nitrite in Water by Ion ChromatographyEN ISO 10304-1 Ion Chromatographic Determination of AnionsEN ISO 11905-1 Determination of Nitrate in Water by Cadmium ReductionEN ISO 16148 Determination of Nitrate and Nitrite in FoodEN ISO 16148 Determination of Nitrate and Nitrite in FoodsEN ISO 16148 Determination of Nitrite and Nitrate in FoodsEPA Method 300.0 Analysis of Nitrate and NitriteEPA Method 300.0 Inorganic Anions Including Nitrate and Nitrite AnalysisEPA Method 300.0 Nitrate and Nitrite in Drinking WaterEPA Method 300.0 Revision 2.1 Nitrate and Nitrite Testing in WaterEPA Method 300.0 Revision 3 Nitrate and Nitrite Ion AnalysisEPA Method 300.1 Determination of Nitrate and Nitrite in WaterEPA Method 300.1 Ion Chromatographic Analysis of NitrateEPA Method 300.1 Nitrate-Nitrite Analysis by Ion ChromatographyEPA Method 300.1 Revision 2.0 Nitrate and Nitrite in Drinking WaterEPA Method 300.2 Nitrate and Nitrite Testing in Water SamplesEPA Method 353.1 Determination of Nitrite and Nitrate by Ion ChromatographyEPA Method 353.1 Ion Chromatographic Analysis of Nitrite/NitrateEPA Method 353.2 Ion Chromatographic Determination of Nitrite/NitrateEPA Method 353.2 Nitrite and Nitrate by Ion ChromatographyEPA Method 353.2 Nitrite and Nitrate in Drinking Water by Ion ChromatographyEPA Method 353.2 Rev.2 Nitrate and Nitrite by Ion ChromatographyEPA Method 353.2 Revision 1 Nitrite and Nitrate TestingEPA Method 353.2 Revision 2 Nitrate and Nitrite AnalysisEPA Method 353.3 Chemiluminescence for Nitrate and NitriteEPA Method 353.3 Chemiluminescence for Nitrite/NitrateEPA Method 353.4 Chemiluminescence Detection of Nitrate/NitriteEPA Method 353.4 Determination of Nitrite and Nitrate by ChemiluminescenceISO 10304-1 Water Quality — Determination of Dissolved Anions by Ion ChromatographyISO 10304-1 Water Quality — Determination of Nitrate by Ion ChromatographyISO 10304-2 Water Quality — Ion Chromatography MethodISO 11048 Determination of Nitrite and Nitrate in Soil and SludgeISO 11048 Determination of Nitrite and Nitrate in Soil ExtractsISO 11206 Colorimetric Determination of Nitrite in FoodISO 11206 Determination of Nitrite Content in FoodstuffsISO 11206 Determination of Nitrite in Food by Colorimetric MethodISO 11207 Colorimetric Determination of Nitrite in MeatISO 11207 Determination of Nitrite in Meat ProductsISO 11507 Residue Analysis of Nitrate and Nitrite in WaterISO 13395 Determination of Nitrite and Nitrate in Water by Flow Injection AnalysisISO 13395 Revision 2 Nitrate and Nitrite in Water by FIAISO 13395 Water Quality — Determination of Nitrite and Nitrate by FIAISO 13822 Residue Testing in Construction Materials for Nitrite/NitrateISO 14001 Environmental Management in Nitrate/Nitrite TestingISO 14256-1 Agricultural Soil Quality — Nitrate and Nitrite ExtractionISO 14256-1 Extraction of Nitrate and Nitrite from SoilsISO 14256-2 Extraction of Nitrate and Nitrite from Soil for TestingISO 14702 Water Quality — Determination of Nitrite by SpectrophotometryISO 14911 Cadmium Reduction Method for Nitrite and NitrateISO 14911 Determination of Nitrite and Nitrate by Cadmium ReductionISO 14911 Determination of Nitrite and Nitrate in Water by Cadmium ReductionISO 15681-1 Nitrate and Nitrite in Water — Sampling and DeterminationISO 15923-1 Water Quality — Determination of Nitrate and Nitrite by Ion ChromatographyISO 15923-1 Water Quality — Ion Chromatography for NitrateISO 17025 Accreditation for Nitrate and Nitrite LaboratoriesISO 17025 Accredited Nitrate and Nitrite Residue TestingISO 20483 Soil Quality — Determination of Nitrate and Nitrite in Soil ExtractsISO 20483 Soil Quality — Nitrate and Nitrite DeterminationISO 20483-1 Soil Quality — Extraction of Nitrate and NitriteISO 22150 Determination of Nitrate and Nitrite in FertilizersISO 24313 Water Sampling and Analysis of Nitrite/NitrateISO 5667-10 Sampling for Wastewater Nitrite and Nitrate AnalysisISO 5667-3 Water Sampling Part 3: Preservation and Handling of SamplesISO 5667-3 Water Sampling, Handling for Nitrite/Nitrate TestsISO 5667-5 Water Sampling — Guidance on Sampling of WatersISO 5667-6 Water Sampling Guidelines for Nitrate and Nitrite AnalysisISO 7887 Water Quality — Determination of Nitrate and NitriteISO 7890-1 UV Spectrometry for Nitrate DeterminationISO 7890-1 Water Quality — Determination of Nitrate by UV SpectrometryISO 7890-3 Determination of Nitrite by Diazotization MethodISO 7890-3 Water Quality — Determination of Nitrite by Diazo Coupling

EN 12341 Water Quality - Sampling and Preservation of Nitrite and Nitrate: Eurolabs Laboratory Testing Service

The European Standard EN 12341, Water quality Sampling and preservation of nitrite and nitrate, is a comprehensive guideline for the sampling and preservation of water samples intended for the determination of nitrite and nitrate. This standard is published by the European Committee for Standardization (CEN) and is part of the CEN/TC 230 series on Water Quality.

Legal and Regulatory Framework

The legal and regulatory framework surrounding EN 12341 is governed by various international, national, and regional regulations. At the international level, the World Health Organization (WHO) guidelines on drinking water quality recommend limits for nitrite and nitrate in drinking water. The European Unions Drinking Water Directive (98/83/EC) also sets maximum allowable concentrations for these parameters.

International and National Standards

The following standards are relevant to EN 12341:

  • ISO 5667-1:2006, Water quality Sampling Part 1: Guidance on the design of sampling programmes
  • ASTM D6923-14, Standard Practice for In-Situ Determination of Nitrate in Drinking Water and Groundwater by Electrochemical Titration
  • TSE EN 12457-2:2012, Digestion for heavy metals
  • CEN/TR 16047:2004, Water quality Sampling Part 1: Guidance on the design of sampling programmes
  • Standard Development Organizations

    Standard development organizations play a crucial role in creating and maintaining standards. In the case of EN 12341, the following organizations are involved:

  • European Committee for Standardization (CEN)
  • International Organization for Standardization (ISO)
  • Evolution of Standards

    Standards evolve over time to reflect advances in technology, changes in regulations, or new scientific evidence. Eurolab stays up-to-date with the latest developments and revisions to ensure that our testing services meet the current standards.

    Standard Numbers and Scope

    The relevant standard numbers for EN 12341 are:

  • EN 12341:1997, Water quality Sampling and preservation of nitrite and nitrate
  • ISO 5667-1:2006, Water quality Sampling Part 1: Guidance on the design of sampling programmes
  • Compliance Requirements

    Industry-specific compliance requirements vary depending on factors such as location, industry sector, and regulatory framework. Eurolab provides testing services that meet or exceed the relevant standards to ensure compliance with international, national, and regional regulations.

    Standard-Related Information Conclusion

    EN 12341 is a critical standard for ensuring the quality of drinking water and groundwater. Eurolabs laboratory testing service adheres to this standard to provide accurate and reliable results for nitrite and nitrate analysis.

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    Why EN 12341 Testing is Needed and Required

    EN 12341 testing is essential for ensuring the safety of drinking water and groundwater. Nitrite and nitrate are common contaminants that can pose health risks if present in excessive concentrations.

    Business and Technical Reasons for Conducting EN 12341 Testing

    The business and technical reasons for conducting EN 12341 testing include:

  • Ensuring compliance with regulatory requirements
  • Protecting public health by minimizing the risk of waterborne diseases
  • Maintaining the quality and reliability of drinking water and groundwater supplies
  • Supporting industrial processes that require pure water
  • Consequences of Not Performing EN 12341 Testing

    Failure to conduct EN 12341 testing can lead to:

  • Non-compliance with regulatory requirements
  • Health risks associated with excessive nitrite and nitrate concentrations in drinking water and groundwater
  • Damage to equipment and infrastructure due to contamination
  • Loss of public trust and confidence in the quality of drinking water and groundwater supplies
  • Industries and Sectors that Require EN 12341 Testing

    The following industries and sectors require EN 12341 testing:

  • Drinking water treatment plants
  • Groundwater exploration and extraction companies
  • Industrial processes that require pure water (e.g., pharmaceuticals, food processing)
  • Environmental monitoring agencies
  • Risk Factors and Safety Implications

    EN 12341 testing helps mitigate the risks associated with excessive nitrite and nitrate concentrations in drinking water and groundwater. These risks include:

  • Health effects such as methemoglobinemia and other waterborne diseases
  • Equipment damage due to corrosion and scaling
  • Economic losses due to non-compliance with regulatory requirements
  • Standard Requirements and Needs Conclusion

    EN 12341 testing is essential for ensuring the quality and reliability of drinking water and groundwater supplies. Eurolabs laboratory testing service provides accurate and reliable results to support compliance with regulatory requirements, protect public health, and maintain equipment integrity.

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