Can not say that it should be so much more because of the nature of the sample to be analyzed, however, when and how to preserve water samples, then the analysis should be done as quickly as possible because the more leave for longeras the growth of microorganisms in the water, this article may reduce errors to a minimum. By storing water in a sample of his hands and a low temperature (4 degrees Celsius) until the time to analyze the physical and chemical is as follows:
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