ISO 187:1990
Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
- Standard No.
- ISO 187:1990
- Release Date
- 1990
- Published By
- International Organization for Standardization (ISO)
- Status
- 2022-01
- Replace By
- ISO 187:2022
- Latest
- ISO 187:2022
- Scope
- Specifies the standard atmosphere for conditioning and 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 5269-1, the standard atmosphere is that defined in this standard, but the procedure is different. Annex A covers the measurement of temperature and relative humidity. Annex B (informative) describes the interdependence of temperature and relative humidity. This second edition cancels and replaces the first edition (1977) which has been technically revised.
ISO 187:1990 history
- 2022 ISO 187:2022 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
- 1990 ISO 187:1990 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
- 1977 ISO 187:1977 Paper and board — Conditioning of samples
