This standard specifies the conditions and methods for measuring the whiteness of daily ceramics and ceramic raw materials. This standard is applicable to the whiteness determination of daily ceramics and ceramic raw materials.
QB/T 1503-1992 history
2011QB/T 1503-2011 Test method for whiteness of domestic ceramics
1992QB/T 1503-1992 Determination method of whiteness of ceramics for daily use