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3. Detergency mechanism
The diagram at 6 shows that water, which has a surface tension of around 70 dynes, will have difficulty penetrating a crack. Beer, on the other hand, with a surface tension of around 55, will be able to penetrate deeper into the crack. A good detergent with a surface tension of between 30 and 40 dynes will penetrate deeper and dislodge any impurities lodged there. On the other hand, the rinsing water will not be able to remove any remaining detergent from the crack.
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Detergency mechanism
Numerical evaluation of detergency
Bibliography
Websites
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Reviews
• Liquids and packaging http://www.edition.spci.fr
• Magazine liquids http://www.interfaces-logistiques.com
• Digest packaging
• Magazine packaging...
Events
International Packaging Exhibition held annually in Paris https://www.all4pack.fr
Regulations
• Decree no. 78-166 of January 31, 1978 on the metrological control of certain prepackages, supplemented by the Orders of October 20, 1978 and February 25, 1980.
• Directive 2007/45/EC of the European Parliament and of the Council of September 5, 2007 laying down rules on nominal quantities for pre-packed products, repealing Council Directives 75/106/EEC and 80/232/EEC, and amending Council Directive...
Directory
Professional and training organizations
• Professional technical center: IFBM – Qualtech, Vandoeuvre (France)
Institut français des boissons de la Brasserie Malterie http://www.ifbm.fr
• Groupe Qualtech – Food and sensory analysis http://www.qualtech-groupe.com
...
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