A-1 Broth is supplied by the company, HIMEDIA.

This is a A-1 Broth which contributesin the detection of faecal coliforms in water samples waste water, seawater and foods by MPN Method.A-1 Medium substantially reduces the incidence of false positive cultures.

Product specifications:

• Catalog number:M874-100G
• Brand: HIMEDIA
• Quantity: Pack of 100g

Ingredients:gm/L

• Tryptone: 20.000
• Lactose: 5.000
• Sodium chloride: 5.000
• Salicin: 0.500
• Polyethylene glycol p-isooctylphenyl ether (Triton 100): 1.000
• Final pH ( at 25C): 6.90.1

Productfeatures:

• Appearance: Cream to yellow homogeneous free flowing powder
• Colour and Clarity of prepared medium: Light amber coloured clear solution after cooling to room temperature.
• Reaction: Reaction of 3.15% w/v aqueous solution at 25C. pH : 6.90.1
• pH: 6.80-7.00
• Cultural Response: Cultural characteristics observed after an incubation at different temperatures for 18-24 hours.
• Storage and Shelf Life: Store between 10-30C in a tightly closed container and the prepared medium at 15-25C. Use before expiry date on the label. On opening, product should be properly stored dry, after tightly capping the bottle inorder to prevent lump formation due to the hygroscopic nature of the product. Improper storage of the product may lead to lump formation. Store in dry ventilated area protected from extremes of temperature and sources of ignition Seal the container tightly after use. Product performance is best if used within stated expiry period.