This standard is a general test method for pigments, used to determine the acid resistance of pigments.
GB/T 5211.6-1985 history
2008GB/T 5211.5-2008 Method for the determination of resistance to material of pigments
1985GB/T 5211.6-1985 Method for the determination of resistance to acid of pigments
GB/T 5211.6-1985 Method for the determination of resistance to acid of pigments was changed to GB/T 5211.5-2008 Method for the determination of resistance to material of pigments.