General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 42367-2023
Introduction
GB/T 42367-2023 Chemicals - Inhibition Test on Activated Sludge of Freshwater Protozoa
GB/T 42367-2023 is a standard that specifies the method for conducting inhibition tests on activated sludge of freshwater protozoa. This standard aims to evaluate the potential adverse effects of chemicals on the activity and growth of protozoa present in activated sludge.
The inhibition test is an essential step in assessing the environmental impact of chemicals, as protozoa play a crucial role in wastewater treatment processes. By measuring the inhibition of protozoa activity, this test helps determine the potential toxicity and adverse effects of chemicals on wastewater treatment systems.
The standard provides detailed guidelines for sample collection, preparation, and test procedures. It outlines the necessary equipment and reagents required for conducting the inhibition test accurately. The test evaluates the effects of chemicals on protozoa by measuring parameters such as growth rate, population density, and feeding activity.
GB/T 42367-2023 is applicable to a wide range of chemicals used in various industries, including pharmaceuticals, pesticides, and wastewater treatment chemicals. The results obtained from this test can be used to assess the potential risks and establish the appropriate dosage levels of chemicals to ensure the minimal impact on wastewater treatment plants.
Overall, GB/T 42367-2023 serves as a crucial tool for evaluating the impact of chemicals on activated sludge of freshwater protozoa. Its implementation aids in promoting sustainable and environmentally friendly practices in the chemical industry and wastewater treatment processes.
GB/T 42367-2023 history
2023GB/T 42367-2023 Chemical Protozoa Activated Sludge Inhibition Test