EN ISO 11885:2009, also known as "Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)", is a technical standard that outlines the method for measuring various elements in water samples using ICP-OES. It provides guidelines and procedures to ensure accurate and reliable analysis of these elements.
Why is it important?
The analysis of selected elements in water samples is crucial in assessing water quality and determining its suitability for different applications. For example, in environmental monitoring, it helps identify the presence and concentration levels of potentially harmful substances. In industrial settings, it enables monitoring of process water quality and compliance with regulatory standards. Thus, EN ISO 11885:2009 plays a significant role in safeguarding public health and supporting relevant industries.
The key components of EN ISO 11885:2009
EN ISO 11885:2009 comprises several essential components that ensure the accuracy and reliability of the analysis. These components include:
Sampling: Proper collection and preservation of water samples are critical to minimize contamination and maintain their integrity during transportation and storage.
Sample preparation: This step involves various procedures such as filtration, digestion, and dilution to prepare the sample for analysis.
Instrumentation: ICP-OES is the primary analytical technique specified in this standard. It utilizes plasma excited by an induction coil to measure element concentrations accurately.
Calibration and quality control: A robust calibration process, including certified reference materials and quality control samples, is necessary to validate the accuracy and reliability of the analysis results.
The benefits and limitations of EN ISO 11885:2009
EN ISO 11885:2009 provides several benefits, including:
Standardization: It ensures consistent and comparable results across different laboratories, facilitating data exchange and collaboration.
Accuracy and reliability: By specifying detailed methodologies and quality control procedures, this standard helps minimize measurement errors and uncertainties.
Regulatory compliance: Industries can use analysis results obtained using EN ISO 11885:2009 to demonstrate compliance with relevant environmental regulations.
However, it is essential to consider some limitations while applying this standard. For example, it may not cover the analysis of certain elements or specific sample matrices. Users should consult additional references or experts when dealing with unique situations.
Nina She