GB/T 12008.5-2010 Translated English of Chinese Standard. (GBT12008.5-2010, GB/T 12008.5-2010): Plastics -- Polyether polyols -- Part 5: Determination of acidity as acid number [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]

The test method specified in this Part of GB/T 12008 is used to determine the acidic components in polyether polyols, and the result is expressed in acid number. The typical acid number (calculated by the amount of consumed KOH) ranges from 0 to 0.1 mg/g. This Part does not involve any safety issues associated with the application. Before use, the user is responsible for establishing appropriate safety and health measures and determining the scope of application of management restrictions.