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A refractometer is a laboratory or field device...

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A refractometer is a laboratory or field device...

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Methyl orange is a pH indicator frequently used...

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Soda Ash Light or light Soda Ash is an importan...

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Hydrogen peroxide is a chemical compound with t...

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Magnesium sulfate or magnesium sulphate is a ch...

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Activated carbon, also called activated charcoa...

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HELMET A helmet is a form of protective gear w...

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