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Glass Melting Point Capillary Tube: Capillary Tube Multi- 2 Bottle Hematocrit Tube with Red Lid for Clinic Science Use - AliExpress
Why is a Thiele tube preferred for melting point determination, rather than an open beaker of oil? - Quora
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Marienfeld Superior™ Glass Capillary Tubes for the Determination of Melting Point: Home | Fisher Scientific
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