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  • possess a broad spectrum of antimicrobial activity encompassing Gram-positive and Gram-negative bacteria and fungi
  • be chemically and physically stable over the shelf-life of the product
  • have low toxicity.
  • should not be Adsorbed on to the container
  • should be compatible with other formulation additives.
  • Its efficacy should not be decreased by pH.
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11y ago
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Q: What are the characteristics of good preservative?
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