BS EN 17899:2024

This standard BS EN 17899:2024 Water quality. Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality is classified in these ICS categories:

• 13.060.70 Examination of biological properties of water
• 71.040.50 Physicochemical methods of analysis

This document describes a spectrophotometric method for determining the chlorophyll-a content corrected for phaeopigments as a measure of the amount of phytoplankton for all types of surface water including marine water. The determination limit is usually 2 µg/l to 5 µg/l and is calculated by each laboratory individually. It can be as low as 0,5 µg/l using 2 l of sample (or even more) and a 50 mm cuvette. NOTE In some measurement programs like marine studies on time series data and ecological status/classification no correction for phaeopigments is used and acidification is omitted, e.g. as recommended by OSPAR.

BS EN 17899:2024 - Water Quality Standard

Standard Number: BS EN 17899:2024

Pages: 24

Released: 2024-07-23

ISBN: 978 0 539 22683 6

Status: Standard

Overview

The BS EN 17899:2024 standard is an essential document for professionals involved in water quality monitoring. This standard provides a comprehensive method for the spectrophotometric determination of chlorophyll-a content by ethanol extraction, a crucial parameter for assessing the health and quality of water bodies.

Key Features

• Accurate Measurement: The standard outlines a precise method for determining chlorophyll-a content, ensuring reliable and consistent results.
• Routine Monitoring: Designed for routine monitoring, this standard helps in maintaining the ecological balance and quality of water bodies.
• Comprehensive Guidelines: With 24 pages of detailed instructions, the standard provides thorough guidelines for the entire process.
• Up-to-Date Information: Released on 2024-07-23, this standard includes the latest advancements and methodologies in water quality monitoring.

Importance of Chlorophyll-a Monitoring

Chlorophyll-a is a key indicator of the presence of algae in water bodies. High levels of chlorophyll-a can indicate eutrophication, which can lead to harmful algal blooms and deteriorate water quality. Regular monitoring of chlorophyll-a is essential for:

• Environmental Protection: Ensuring the health of aquatic ecosystems by preventing and managing algal blooms.
• Public Health: Protecting drinking water sources from contamination by harmful algae.
• Regulatory Compliance: Meeting environmental regulations and standards for water quality.

Methodology

The BS EN 17899:2024 standard details the spectrophotometric method for determining chlorophyll-a content. This involves:

1. Sample Collection: Guidelines for collecting water samples to ensure they are representative and uncontaminated.
2. Ethanol Extraction: Detailed steps for extracting chlorophyll-a using ethanol, a safe and effective solvent.
3. Spectrophotometric Analysis: Instructions for using a spectrophotometer to measure the absorbance of the extracted chlorophyll-a, providing accurate quantification.

Who Should Use This Standard?

The BS EN 17899:2024 standard is invaluable for a wide range of professionals, including:

• Environmental Scientists: Conducting research and monitoring the health of aquatic ecosystems.
• Water Quality Technicians: Performing routine water quality assessments for regulatory compliance.
• Public Health Officials: Ensuring the safety of drinking water sources.
• Regulatory Agencies: Enforcing water quality standards and guidelines.

Benefits of Using BS EN 17899:2024

Implementing the BS EN 17899:2024 standard offers numerous benefits, including:

• Enhanced Accuracy: The standardized method ensures precise and reproducible results, reducing variability and improving data reliability.
• Improved Water Quality Management: Regular monitoring of chlorophyll-a helps in early detection of water quality issues, enabling timely intervention and management.
• Compliance with Regulations: Adhering to this standard helps organizations meet national and international water quality regulations, avoiding potential fines and penalties.
• Environmental Sustainability: By monitoring and managing chlorophyll-a levels, organizations can contribute to the sustainability and health of aquatic ecosystems.

Conclusion

The BS EN 17899:2024 standard is a vital tool for anyone involved in water quality monitoring. Its detailed methodology for the spectrophotometric determination of chlorophyll-a content by ethanol extraction ensures accurate, reliable, and consistent results. By implementing this standard, professionals can effectively monitor and manage water quality, protecting both the environment and public health.