Key Features
- Dehydrated agar medium
- Designed for microbiological antibiotic potency testing
- Suitable for agar diffusion assay techniques
- USP-referenced formulation
- Consistent performance and reproducibility
- Long shelf life and easy preparation
Applications
- Antibiotic potency determination
- Agar-based microbiological assays
- Pharmaceutical quality control laboratories
- Microbiology testing facilities
✅ Product Specifications
- Product Name: Antibiotic Medium No. 40
- Form: Dehydrated powder
- Package Size: 250 g
- Storage Condition: Room temperature
- Shelf Life: 3 years
- Reference Standard: USP
- Final pH: 6.7 ± 0.2 (25°C)
✅ Composition (per liter)
| Component | Quantity |
|---|---|
| Yeast Extract | 20.0 g |
| Polypeptone | 5.0 g |
| Dextrose | 10.0 g |
| Monobasic Potassium Phosphate | 2.0 g |
| Polysorbate 80 | 0.1 g |
| Agar | 10.0 g |
All ingredients are listed exactly as provided. No functional descriptions added.
✅ Preparation Instructions
- Suspend 47.1 g of the medium in 1,000 mL of distilled or purified water.
- Heat with frequent agitation until completely dissolved.
- Dispense into appropriate containers.
- Sterilize by autoclaving at 121°C for 15 minutes.
- Cool before use.