Paper, board and pulps. Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples Ingestion-build-205840 PD 6493:1991

PD 6493:1991

organizational policies and requirements

the secretariat of which is held by AFNOR

NOTE 1 The methods may not be suitable for testing products of inorganic origin

BS 4258-12 on sampling techniques of phosphoric acid for industrial use is useful for:

Paper, board and pulps. Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples Ingestion-build-205840 PD 6493:19911 Scope This International Standard specifies the standard atmosphere for conditioning, and for testing pulp, paper and board, and also the procedures for measuring the temperature and relative humidity. For the conditioning of laboratory prepared handsheets in accordance with ISO 52691, the standard atmosphere is that defined in this International Standard but the procedure is different1).