BS EN ISO 23697-1:2025 - Water Quality Standard

Ensure the highest standards of water quality with the BS EN ISO 23697-1:2025 standard. This comprehensive document provides a detailed methodology for the determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes and the Dimethylphenol colour reaction. Released on December 19, 2025, this standard is an essential resource for professionals in the field of water quality analysis.

Key Features

• Standard Number: BS EN ISO 23697-1:2025
• Pages: 18
• Release Date: December 19, 2025
• ISBN: 978 0 539 37110 9
• Status: Standard

Comprehensive Methodology

This standard outlines a precise and reliable method for measuring total bound nitrogen in water samples. By utilizing small-scale sealed tubes and the Dimethylphenol colour reaction, this method ensures accurate and consistent results. The procedure is designed to be user-friendly while maintaining the highest level of scientific rigor.

Why Choose BS EN ISO 23697-1:2025?

Water quality is a critical aspect of environmental health and safety. The presence of nitrogen compounds in water can indicate pollution and affect aquatic ecosystems. The BS EN ISO 23697-1:2025 standard provides a robust framework for detecting and quantifying total bound nitrogen, helping organizations and researchers maintain compliance with environmental regulations and protect natural resources.

Applications

This standard is applicable to a wide range of water quality testing scenarios, including:

• Environmental monitoring and assessment
• Industrial water treatment and management
• Research and development in water quality science
• Regulatory compliance and reporting

Benefits of Using This Standard

By implementing the BS EN ISO 23697-1:2025 standard, organizations can benefit from:

• Enhanced Accuracy: The use of small-scale sealed tubes and the Dimethylphenol colour reaction ensures precise measurements of total bound nitrogen.
• Consistency: Standardized procedures lead to consistent results across different testing environments and conditions.
• Compliance: Meet regulatory requirements and demonstrate commitment to environmental stewardship.
• Efficiency: Streamlined processes reduce the time and resources needed for water quality testing.

Conclusion

The BS EN ISO 23697-1:2025 standard is an invaluable tool for anyone involved in water quality analysis. Its detailed methodology and focus on accuracy make it a must-have resource for ensuring the safety and sustainability of water resources. Whether you are an environmental scientist, a water treatment professional, or a regulatory body, this standard will support your efforts to maintain high water quality standards.

Invest in the future of water quality with the BS EN ISO 23697-1:2025 standard and contribute to a healthier, more sustainable environment.

BS EN ISO 23697-1:2025

This standard BS EN ISO 23697-1:2025 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes is classified in these ICS categories:

• 13.060.50 Examination of water for chemical substances

This document specifies a method for the determination of total bound nitrogen (ST-TNb) in water of various origins: groundwater, surface water, and wastewater, in a measuring range of concentration generally between 0,5 mg/l and 220 mg/l of ST-TNb using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required.