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Irrigation Dictionary : Table of Contents (members login required)\t
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5650. Gas concrete : A cellular concrete obtained by mixing finely divided aluminium powder in the cement. A chemical reaction takes place with hydroxide of calcium or alkali that liberates hydrogen, which forms the bubbles. Powdered zinc can also be used. Sometimes hydrogen peroxide is used; this generates oxygen.

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5650. Béton au gaz : Mortier cellulaire obtenu en mélangeant intimement du ciment et du poudre d`aluminium; une réaction chimique intervient avec formation d`hydroxyde de calcium ou un alcali qui libère l`hydrogène sous forme de bulles; on peut aussi utiliser de la poudre de zinc; quelques fois on a recours à l`eau oxygénée ce qui libère des bulles d`oxygène.

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