This standard specifies the principles, test devices, analysis methods and test reports of photocatalytic materials and products to remove nitrogen oxides from the air. This standard is suitable for testing the performance of photocatalytic materials and products in removing nitrogen oxides from the air.
GB/T 14642 Industrial circulating cooling water and boiler water.Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate.Ion chromatography
GB/T 30706 Measurment method and evaluating of the antibacterial characteristics of photocatalysis materials under visible light irridation
GB/T 30809 UV light sources for testing properties of photocatalytic materials
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 6920 Water quality--Determination of pH value--Glass electrode method
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 39716-2020 history
2020GB/T 39716-2020 Test method for air-purification performance of photocatalytic materials and products—Removal of nitric oxide