Illustrative image only. Actual product may vary.Antibiotic Medium 19
- Category
- Dehydrated Culture Media
- Dissolve per litre
- 60 g
- Pack sizes
- 500 g · 5 kg · 25 kg
Data updated：2026-11-07
Overview
Antibiotic Medium 19 is a broth (liquid) medium, one of the numbered pharmacopoeial media for antibiotic potency assays. It is specified by the pharmacopoeia for particular antibiotics and test organisms in potency assays; numbers are not interchangeable. STBIO manufactures it from food-grade raw materials in an ISO 22000 certified facility, with a COA for every batch.
Antibiotic potency assay media
Antibiotic potency assays measure activity through the response of a test organism, and each antibiotic and assay method calls for a specific numbered medium taken from the pharmacopoeial formulations. Select the number specified by the pharmacopoeial chapter and method you follow; the media are not interchangeable.
Product highlights
- Manufactured to the standard formulation, 60 g per litre
- Available in 500 g / 5 kg / 25 kg, from laboratory to industrial scale
- COA, specification sheet, and technical data sheet available; samples on request
- Manufactured in Taiwan with reliable supply
Frequently asked questions
01How much powder per litre?
Use 60 g per litre of deionised water; preparation and sterilisation conditions are given on the specification sheet.
02How do I request a bulk quotation, and can you provide a COA?
Yes. This product is available in 500 g, 5 kg, 25 kg. Tell us your application and volume when requesting a quotation; we reply within one working day and can supply the COA, specification sheet, and technical data sheet.