Agar powder, Purified, Bacteriological Grade is supplied by the company, HIMEDIA.

This Agar powder, Bacteriological Grade is a purified medium having low calcium and magnesium levels and is compatible with all culture media. Agar powder, Purified, Bacteriological Gradeis designed for culture media and bacteriological work.

Product specifications:

• Catalog number:RM201-500G
• Brand: HIMEDIA
• Quantity/unit: Pack of 500g

Product features:

• Appearance:Cream coloured, homogenous free flowing powder.
• Solubility :Freely soluble in hot water at temperatures above 85C. Insoluble cold water.
• Clarity: A firm solid, clear to slightly opalescent gel is formed at a concentration of 1.5% at 36-38C. Dye Diffusion Agar dye diffusion :- 18-20mm
• Reaction: Reaction of 1.5% w/v aqueous solution at 25 C
• pH: 6.50 - 7.50
• Identification test :As per method specified in USP 37,NF32; A: Infrared absorption. B:With Iodine, some fragments of agar appear bluish black, with some areas reddish to violet. C: Agar forms a clear liquid, which congeals at 30 to 39C to form a firm resilient gel, which does not melt below 80C.
• Test for Pathogens: 1. E.coli-Negative in 10 gms of sample2. Salmonella species-Negative in 10 gms of sample3. Pseudomonas aeruginosa-Negative in 10 gms of sample4. Staphylococcus aureus- Negative in 10 gms of sample5. C.albicans- Negative in 10 gms of sample6. Clostridia- Negative in 10 gms of sample
• Test for Water absorption :As per method specified in USP 37,NF32 NMT 75 ml of water is absorbed by 5.0 g of agar
• Test for Gelatin: As per method specified in USP 37,NF32 No formation of yellow precipitate
• Test for Starch: As per method specified in USP 37,NF32 No Formation of blue colour on addition of iodine
• Growth Promotion Test :As per method specified in USP 37,NF32