GB/T 6913-2023 in English

《GB/T 6913-2023锅炉用水和冷却水分析方法 磷酸盐的测定》由TC63（全国化学标准化技术委员会）归口，TC63SC5（全国化学标准化技术委员会水处理剂分会）执行，主管部门为中国石油和化学工业联合会。

Introduction

GB/T 6913-2023 "Determination of Phosphates in Boiler Water and Cooling Water" is a technical standard used for the analysis of phosphates in water samples used in boilers and cooling systems. Phosphates play a crucial role in these systems as they help prevent scale formation and corrosion, ensuring the efficient and safe operation of the equipment.

This standard provides guidelines and methods for accurate and reliable determination of phosphates in water samples. It covers various analytical techniques, including colorimetry, spectrophotometry, and ion chromatography, to cater to different laboratory setups and requirements.

The determination of phosphates is vital in maintaining the quality of boiler water and cooling water. High levels of phosphates can lead to scale formation, which reduces heat transfer efficiency and increases energy consumption. On the other hand, low levels of phosphates can result in corrosion, leading to equipment failure and costly repairs. Therefore, regular monitoring and control of phosphate levels are essential for ensuring the longevity and optimal performance of boilers and cooling systems.

By following the methods outlined in GB/T 6913-2023, laboratories can accurately measure phosphate concentrations in water samples, allowing for effective control of water chemistry and treatment processes. This standard serves as a valuable resource for technicians, engineers, and researchers in the field of boiler and cooling water analysis, ensuring the safe and efficient operation of industrial equipment.