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(English) A 40% solution of formaldehyde in water, used for conserving fish, also: formaldehyde gas dissolved in water used as a fixative and preservative in fish collections as decay bacteria cannot live in a 5-10% solution of it. Formalin is a 37-40% solution of formaldehyde in water, making 100% formalin. Usually replaced with ethanol for long term storage. Formalin is a noxious chemical and should be handled with appropriate safety measures. (See also: fish collection, ethyl, isopropyl)
(French) Une solution de 40% formaldéhyde dans l'eau, utilisé pour conserver des poissons. (See also: fish collection, ethyl, isopropyl)
(Portuguese) Solução constituída por 40% de formaldeído em água, usada na conservação de peixes. (See also: fish collection, ethyl, isopropyl)

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