Gram’s Iodine Solution is a key reagent used in microbiology for Gram staining — the most common method to differentiate bacterial species. It acts as a mordant that helps fix the crystal violet dye on Gram-positive bacteria, making cell identification clearer under a microscope. This ready-to-use solution is ideal for laboratories, research centers, and educational institutions across Bangladesh. Supplied and quality-checked by Kommullo Bangladesh to ensure reliable lab performance.
Features of Gram’s Iodine Solution
- Prepared according to standard Gram staining formulation.
- Ensures clear differentiation between Gram-positive and Gram-negative bacteria.
- Ready-to-use solution with accurate iodine concentration.
- Supplied in amber glass bottle to protect against light degradation.
- Long shelf life with secure, leak-proof cap.
- Trusted quality from DLAB Chemicals, Dhaka.
- Suitable for both professional and academic microbiology labs.
Common Uses of the Gram’s Iodine Solution
- Used as a mordant in Gram staining procedures in microbiology labs.
- Ideal for teaching demonstrations in biology and pathology departments.
- Helpful for diagnostic labs performing bacterial classification.
- Commonly used in university and college microbiology practical sessions.
- Also used in basic staining experiments in research and QC laboratories.
How to Use
- First, stain the prepared bacterial smear with crystal violet dye.
- Rinse gently with distilled water.
- Flood the slide with Gram’s Iodine Solution for about 1 minute.
- Wash again with water and follow with decolorization.
- Finish with a counterstain (such as safranin).
💡 Tip: Use freshly prepared slides and handle with clean gloves to maintain accuracy.
Care & Maintenance of Gram’s Iodine Solution
- Keep the bottle tightly closed after each use.
- Store in a cool, dark place away from direct sunlight.
- Avoid contamination by not dipping used droppers into the solution.
- If solution color changes significantly, replace with a fresh one for accurate results.
Technical Information
| Specification | Details |
|---|---|
| Product Name | Gram’s Iodine Solution |
| Volume | 100 mL |
| Composition | Iodine + Potassium Iodide solution |
| Type | Ready-to-use reagent |
| Standard | Microbiology lab grade |
| Origin | DLAB Chemicals, Dhaka |
| Supplied by | Kommullo Bangladesh |
Why Choose Kommullo Bangladesh
- We supply genuine, laboratory-grade reagents and instruments.
- Each batch is inspected for concentration accuracy and packaging integrity.
- Fast, safe delivery anywhere in Bangladesh.
- Trusted by universities, research institutes, and testing labs.
- Friendly after-sales support from a team that truly understands laboratory needs.
Frequently Asked Questions
Q: Can I use this solution directly for Gram staining?
Yes, it’s a ready-to-use formulation — no dilution or mixing is required.
Q: How long can I store it after opening?
If kept sealed and protected from light, it usually remains effective for up to a year after opening.
Q: Is it suitable for student laboratory work?
Absolutely. It’s widely used in microbiology teaching labs across Bangladesh.
🌍 বাংলা সারাংশ
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