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Duckweed Ph Effect

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A report on the effects of Lead and different pH levels on Lemna minor, which is a species of duckweed. The pH of water influences the forms of metals and metal oxide in aquatic systems. This is because pH controls solubility of metals as well as concentration. Decreasing the pH of a solution causes an increase in the free metal ion concentration of the solution. Due to this fact, it was stated that metals in acidic waters have more of a chance of being toxic than metals in neutral water. An experiment was done to find how pH affects the accumulation and toxicity of lead in duckweed under 3 types of conditions (acidic, neutral and basic). After being grown and cultured, different concentrations of lead were added to all the plants. The controls

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