Bouillon neutralisant Dey/Engley

Taille

500g

500 g (en gros)

2 kg

2 kg (vente en gros)

10 kg

10 kg (vente en gros)

Prix

Quantité

Paiements sécurisés

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Bouillon neutralisant Dey/Engley

Le bouillon neutralisant D/E (Dey/Engley) est un milieu liquide utilisé pour neutraliser et déterminer l'activité bactéricide des antiseptiques et des désinfectants. La tryptone et l'extrait de levure fournissent une source d'azote, de carbone et de vitamines. Le dextrose est une source d'énergie. Le pourpre de bromocrésol est utilisé comme indicateur de la fermentation du dextrose, passant du violet au jaune à pH acide. Le thiosulfate de sodium est incorporé pour neutraliser le chlore et l'iode. Le Tween 80 neutralise les phénols et le formol. Le thioglycolate de sodium neutralise les composés mercuriels. Le bisulfate de sodium neutralise le formaldéhyde et le glutaraldéhyde. La lécithine neutralise les composés d'ammonium quaternaire. Trois formats sont disponibles : 500 g, 2 kg et 10 kg.

PRÉPARATION : Mélanger 39 grammes de milieu dans un litre d'eau purifiée et porter à ébullition en remuant plusieurs fois pour dissoudre complètement. Distribuer et autoclaver à 121°C pendant 10 minutes.

Littérature supplémentaire :

D04-115 Informations sur le produit

Fiche de données de sécurité D04-115

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