Bouillon de lauryl sulfate

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 de lauryl sulfate

Le bouillon au lauryl sulfate, également appelé bouillon au lauryl tryptose, est un milieu liquide utilisé pour la détection des coliformes dans l'eau et les eaux usées. Les coliformes sont souvent utilisés comme indicateurs de contamination fécale de l'eau et de contamination bactérienne des produits alimentaires. La digestion enzymatique de la caséine est une source d'azote, de vitamines et de minéraux. Du lactose est ajouté pour détecter sa fermentation par les coliformes, tandis que le lauryl sulfate de sodium agit comme agent sélectif contre les organismes non coliformes. Le chlorure de sodium maintient l'équilibre osmotique du milieu et les phosphates de potassium agissent comme agents tampons. Trois formats sont disponibles : 500 g, 2 kg et 10 kg.

PRÉPARATION : Mélanger 35,6 g de milieu dans un litre d’eau purifiée jusqu’à obtenir une dispersion homogène. Chauffer en remuant plusieurs fois jusqu’à ébullition pour dissoudre complètement. Répartir et autoclaver à 121 °C pendant 15 minutes.

Littérature supplémentaire :

Informations sur le produit L12-106

Fiche de données de sécurité L12-106

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