92435

TBX Agar

NutriSelect^® Plus, suitable for microbiology

• Synonym(s): Tryptone Bile X-glucuronide Agar
• UNSPSC Code: 41171606
• NACRES: NA.85

Properties

• Agency: according to ISO 16649-1:2018; according to ISO 16649-2:2001; according to ISO 16649-3:2015
• Quality Level: 200
• sterility: non-sterile
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 15 g/L ; bile salts, 1.5 g/L ; X-β-D-glucuronide, 0.075 g/L ; peptone, 20 g/L
• manufacturer/tradename: NutriSelect^® Plus
• final pH: 7.2±0.2 (25 °C in H₂O)
• application(s): agriculture; bioburden testing; environmental; food and beverages; water monitoring; microbiology
• suitability: selective and differential for Escherichia coli; selective and differential for coliforms

Description

Application

Chromogenic Agar for the detection and enumeration of E. coli in foodstuffs, animal food and water.

Preparation Note

Suspend 36.6 g in 1 litre distilled water. Heat in a boiling water bath or in flowing steam until the medium is completely dissolved. Autoclave at 121°C for 15 min. Cool to 45-50°C in a water bath, mix gently and pour 15 ml in sterile petri dishes. If stored at +2 to +8°C and protected from light the plates are stable for 1 week.

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves