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This standard specifies test methods for the overall leakage detection of reverse osmosis or nanofiltration devices,the leakage detection of membrane modules and the leakage points detection in membrane modules.
This standard is applicable to the leakage detection of reverse osmosis or nanofiltration devices with spiral wound membrane elements in municipal and industrial water treatment systems for desalination.Other types of devices installed with reverse osmosis and nanofiltration membrane elements may refer to this document.