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Glycerol Diluent is suitable for preparing suspensions of bacterial and fungal isolates for frozen storage. It maintains organisms by protecting the cells from unnecessary physiological shock that may occur using other aqueous solutions. -
BM0397 Saline Tryptone Water (pH 7.0) is isotonic saline containing 0.1% tryptone that may be used as a general-purpose diluent in many areas of the laboratory. It is recommended by The British Standards Institute (1) and is tested according to the principles of ISO 11133:2014 (2). The product does not interfere with biochemical reactions used to identify organisms, such as indole production.
References
- The British Standards Institution (2015) BS EN 16615:2015 Chemical disinfectants and antiseptics. Quantitative test method for the evaluation of bactericidal and yeasticidal activity on non-porous surfaces with mechanical action employing wipes in the medical area (4- field test). Test method and requirements (phase 2, step 2). Published by BSI Standards Limited.
- International Organization for Standardization (2014) 11133:2014 Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media. Geneva, ISO.
