This standard stipulates the use of colorimeters to measure the color of cotton fibers, that is, the reflectivity Rd and yellowness ten b indicators. This standard applies to any type of cotton fiber.
GB/T 13784-1992 history
2008GB/T 13784-2008 Test method for colour of cotton.Colourimeter method
1992GB/T 13784-1992 Test method for colour of cotton colorimeter method