There are also prescribed standards for the use of sodium tripolyphosphate tech grade in water treatment
The shortage of water resources and serious water pollution have caused serious water shortages in many places. In order to alleviate the severe water situation, water treatment has largely eased the tension of water resources. With the continuous improvement of environmental protection requirements, there has been a great breakthrough in the treatment of rainwater, recycled sewage, air water resources, and industrial wastewater, and the discharge has reached the standard. As an important water treatment agent, sodium tripolyphosphate tech grade also has relevant usage standards. The country also attaches great importance to the quality testing of sodium tripolyphosphate. After combining the opinions of many parties, it issued HG / T 5563-2019 "Water Treatment Agent Sodium Tripolyphosphate" and stipulated that the standard will be July 1, 2020. No. officially implemented. Test regulations and items of sodium tripolyphosphate tech grade water treatment agent Requirem...