Labware Manual
| Problem | Why it happens | Prevention | | :--- | :--- | :--- | | | Sudden temp change (>80°C difference) | Heat/cool gradually. Use borosilicate glass. | | Scratched plastic | Abrasive brush or spatula | Use soft sponge; replace scratched plastic. | | Etched volumetric glass | Long exposure to strong alkali | Rinse alkali quickly; store basic solutions in plastic. | | Cracked centrifuge tube | Over-speed or chemical stress | Check tube rating; discard if cloudy or cracked. | | Stuck glass joint | Dry assembly or base attack | Apply thin film of joint grease. Heat outer joint to release. |
"This is ridiculous," Maya muttered. She tapped the glass. Clack. Clack. Clack. labware manual
He placed the manual on the highest rack of the clean bench. As he turned away, he swore he heard the gentle clink of two beakers touching, a subtle applause from the shelves. | Problem | Why it happens | Prevention
"'Borosilicate under thermal distress enters a state of panic. It becomes brittle, paranoid, expecting to shatter at any moment. Do not use tongs. Tongs imply a lack of trust. You must carry them with your bare hands, using the insulated pads provided, but you must hum. A low, rhythmic hum at 432Hz resonates with the silicon lattice and calms the molecular structure." | | Etched volumetric glass | Long exposure
