Technical Articles

What is EN ISO 11885:2009?

EN ISO 11885:2009 is a technical standard that provides guidelines for the determination of selected elements in waters by inductively coupled plasma optical emission spectrometry (ICP-OES). This standard specifies the sample collection methods, preparation techniques, and analytical procedures to be used for analyzing water samples for various elements.

Importance of EN ISO 11885:2009 in Water Analysis

Accurate and reliable analysis of water samples is crucial for assessing the quality and safety of drinking water, wastewater, and environmental samples. EN ISO 11885:2009 plays a vital role in standardizing the analytical procedures, ensuring consistency and comparability of results obtained from different laboratories.

By following the guidelines outlined in EN ISO 11885:2009, analysts can minimize errors and uncertainties associated with sample collection, preservation, and analysis. This standard helps in identifying and quantifying trace levels of elements present in water, including heavy metals, which may have detrimental effects on human health and the environment.

Key Components of EN ISO 11885:2009

EN ISO 11885:2009 covers various aspects of water analysis, including:

Sampling techniques: The standard provides detailed instructions for collecting representative water samples to ensure accurate analysis.

Sample preservation: It describes proper preservation methods to prevent degradation or alteration of analytes during sample storage and transport.

Sample digestion: EN ISO 11885:2009 outlines the digestion procedures for converting solid samples into a form suitable for analysis.

Instrumentation: The standard specifies the requirements for ICP-OES instruments, including calibration, performance verification, and measurement uncertainty.

Quality control: It details the quality control procedures to be followed during analysis, including precision and accuracy assessment, method validation, and data reporting.


EN ISO 11885:2009 provides a comprehensive framework for accurate and reliable analysis of selected elements in waters. Compliance with this standard ensures consistent and comparable results, enabling effective monitoring and management of water quality. By adhering to the guidelines outlined in EN ISO 11885:2009, analysts can contribute to safeguarding human health and protecting the environment through accurate detection and quantification of various contaminants in water samples.



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