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A straight forward method of how to serially dilute a bacterial broth, and grow colonies, for calculating population density. 
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Guidance on how to prepare copper (II) salts, including copper sulphate, copper nitrate and copper chloride.
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Guidance on how to dilute hydrochloric acid.
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Guidance on how to prepare hydrogen peroxide.
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Guidance on how to prepare methanoic acid
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Guidance on how to prepare barium solutions, including barium chloride and barium nitrate.
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Guidance on how to prepare nitric acid.
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Provides templates for diultion streaking, and describes how to do it.
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This video demonstrates how to carry out serial dilutions of bacterial broth. Then making lawn plates for counting population density. 
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Guidance on how to prepare ethanol/water, methanol/water and propanone/water solutions.
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Showing results 1 to 10 of 159
1 234