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A timer or countdown timer is a type of clock t...

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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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Total dissolved solids (TDS) is a measure of th...

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Diethyl ether, or simply ether, is an organic c...

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Hexane (/ˈhɛkseɪn/) or n-hexane is an organic c...

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Manganese(II) sulfate usually refers to the ino...

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Sodium thiosulfate is used predominantly in dye...

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