Selecting proper tests and analyses The proper selection of relevant analyses and tests for raw materials, intermediates, or final products obviously has the utmost importance for the success of a testing programme. The identification and establishment of tests and analyses must be based on relevant process and product analysis. The following are basic questions to
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Selecting proper tests and analyses
After reading this article you will..
- know how to select which properties to measure.
- know what is a critical control variable.
Material testing and product properties
- Why test pulp and paper?
- Fibre properties
- Papermaking properties of pulp
- Fluff pulps
- Chemical analysis of pulps
- General physical properties of paper and board
- Optical properties of paper
- End-use properties of printing papers
- End-use properties of packaging papers and boards
- Tissue papers
- Permanent papers
- Reliability of results in physical testing of pulp and paper
- Quality control at the mill
- Standardisation in pulp and paper testing
Authors & references
Edited by:
Petteri Maijanen, ABB
Original author:
Jan-Erik Levlin
Based on: Levlin, J-E. Aim of pulp and paper testing (Chapter 1). In: Levlin, J-E. & Sjöderhelm, L. (ed), Pulp and paper testing (Book 17), Papermaking Science and Technology. Jyväskylä. 1999. Fapet Oy. pp. 11–17.
References:
- Holm, H. and Paulapuro, H., Paperi Puu 59(11):691(1977).
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This page has been updated 29.03.2021
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