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Humic substances (HS) are colored relatively re...

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A microscope (from Ancient Greek μικρός (mikrós...

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A hydrometer or lactometer is an instrument use...

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An alum (/ˈæləm/) is a type of chemical compoun...

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The western desert of Egypt was a major source ...

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Trichloroethylene (TCE) is a halocarbon with th...

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Research into the possibilities of using breath...

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The Biuret reagent is made of sodium hydroxide ...

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