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Tag Archives: solvents (Watesmo)

กระดาษทดสอบ Water in org. solvents (Watesmo)

Watesmo Quick and easy determination of water The test paper allows the quick and easy detection of water and water vapor. On contact with water the paper changes color from light blue to dark blue. The reaction is not reversible. Even after drying the contact with water can clearly be proved. Read More »

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