Glass Burette Stuck at Sean Mahomed blog

Glass Burette Stuck. Someone tried to open a flask containing pet ether using a flame to heat the stuck ground glass joint holding the stopper. If you can empty your glassware of chemicals before separating the joint, then safe ways of separating stuck joints include using a suitable solvent or lubricating oil to dissolve chemical residue in the joint, soaking the joints if required, and/or using a sonicator or ultrasonic cleaner. Sometimes the stockcocks get etched by alkali and afterward, greases are only partially helpful. Works with most glassware stuck. Use a glass stopper from a reagent bottle or similar and gently tap the thin end of the stuck tap. Using a wood stick or dowel and hammer, tap lightly but sharply against the outer joint. Take a very fine sandpaper to the ground glass. To clean a burette with a stuck stopcock, try soaking the burette in warm water to loosen any residue or buildup. How hard to tap against the glass joint?. Hold the glass plug with a gloved hand (not pictured) or clamp.

E8R07101 Glass Burette Rotaflo Stopcock (Class B) 50ml Findel
from www.findel-international.com

Take a very fine sandpaper to the ground glass. If you can empty your glassware of chemicals before separating the joint, then safe ways of separating stuck joints include using a suitable solvent or lubricating oil to dissolve chemical residue in the joint, soaking the joints if required, and/or using a sonicator or ultrasonic cleaner. Someone tried to open a flask containing pet ether using a flame to heat the stuck ground glass joint holding the stopper. To clean a burette with a stuck stopcock, try soaking the burette in warm water to loosen any residue or buildup. Hold the glass plug with a gloved hand (not pictured) or clamp. Works with most glassware stuck. Sometimes the stockcocks get etched by alkali and afterward, greases are only partially helpful. Using a wood stick or dowel and hammer, tap lightly but sharply against the outer joint. How hard to tap against the glass joint?. Use a glass stopper from a reagent bottle or similar and gently tap the thin end of the stuck tap.

E8R07101 Glass Burette Rotaflo Stopcock (Class B) 50ml Findel

Glass Burette Stuck Sometimes the stockcocks get etched by alkali and afterward, greases are only partially helpful. Works with most glassware stuck. Someone tried to open a flask containing pet ether using a flame to heat the stuck ground glass joint holding the stopper. Using a wood stick or dowel and hammer, tap lightly but sharply against the outer joint. Use a glass stopper from a reagent bottle or similar and gently tap the thin end of the stuck tap. Take a very fine sandpaper to the ground glass. To clean a burette with a stuck stopcock, try soaking the burette in warm water to loosen any residue or buildup. Sometimes the stockcocks get etched by alkali and afterward, greases are only partially helpful. How hard to tap against the glass joint?. Hold the glass plug with a gloved hand (not pictured) or clamp. If you can empty your glassware of chemicals before separating the joint, then safe ways of separating stuck joints include using a suitable solvent or lubricating oil to dissolve chemical residue in the joint, soaking the joints if required, and/or using a sonicator or ultrasonic cleaner.

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