This standard specifies the method for the determination of the surface pH of paper and board. This standard is applicable to the determination of the surface pH of paper and cardboard with low surface water absorption, and can also be used for the determination of the surface pH of paper and cardboard in library books, government agency archives, etc.
GB/T 13528-2015 Referenced Document
GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
GB/T 13528-2015 history
2015GB/T 13528-2015 Paper and board.Determination of surface pH
1992GB/T 13528-1992 Paper and board--Determination of surface pH