A - Human Necessities – 62 – D
Patent
A - Human Necessities
62
D
A62D 3/30 (2007.01) A62D 3/36 (2007.01) C02F 1/58 (2006.01) C02F 9/00 (2006.01)
Patent
CA 2034746
Treating formaldehyde or formaldehyde containing solutions which are used for tissue fixation, for providing biological sample preservatives and the like to permit a readily available disposal of formaldehyde by dumping or for external treatment without harming the environment. Formaldehyde or solutions thereof are contacted with a composition containing urea, phosphoric acid or ammonium chloride and water, they are allowed to be neutralized by the composition and the reaction product can readily be disposed.
Traitement du formaldéhyde ou des solutions contenant du formaldéhyde servant à la fixation des tissus, à préparer des solutions de conservation des échantillons biologiques et autres utilisations semblables afin que l'on puisse éliminer facilement le formaldéhyde par vidange ou par traitement externe sans nuire à l'environnement. Le formaldéhyde ou les solutions de formaldéhyde sont mis en contact avec une composition contenant de l'urée, de l'acide phosphorique ou du chlorure d'ammonium et de l'eau, on laisse la réaction de neutralisation se dérouler et le produit de réaction peut être éliminé facilement.
Na
Robins Edward William
LandOfFree
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