Product Overview
Lactose is a chemically pure disaccharide. It is added to culture media for the determination of fermentation reactions. For fermentation tests it usually added at a concentration of 0.5 to 1.0 %. (Alpha Biosciences # L12-114-500gm)
Description: Lactose is a chemically pure disaccharide. It is added to culture media for the determination of fermentation reactions. For fermentation tests it usually added at a concentration of 0.5 to 1.0 %.
Typical Analysis:
Physical Analysis:
- Solubility ................................... Passes
- Moisture .................................. <1.00%
- Ash ........................................... <0.1%
- Specific Rotation .................... 55.28
- pH (10% solution) .................... 4.0-4.7
- Acidity ...................................... Passes
- Color ......................................... Passes
- Clarity of Solution .................... Passes
Storage: Store the sealed bottle containing the dehydrated medium at 2 to 30.0°C. Once opened and recapped, place the container in a low humidity environment at the same storage temperature. Protect it from moisture and light. The dehydrated medium should be discarded if it is not free flowing or if the color has changed from the original white crystals.