If the crucible has been allowed to cool, you may use bare tongs (left), but if you must transfer a hot crucible, make sure that you cover the ends of the tongs with aluminum foil (right) as the paint on the tongs might melt onto the crucible and change its weight. It allows you to create a history that will reveal what crucible service life you … Honestly, I don't think I'ld be … Keeping an accurate log of crucible use is essential to the effective and safe operation of crucibles. Stainless steel crucible tongs with looped handles Bowed jaws with flat ends Can safely grasp hot crucibles, beakers or other apparatus measuring up to 4" in diameter Tongs measure 8.25" in total length Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use Do not wash it! Crucible thongs are essential safety tools that every science laboratory must have in their stock. Historical use [edit | edit source] Figure the tallest crucible the tongs can safely handle, fabricate some arms with tab stops at the top and reassemble. When transferring a crucible to the dessicator tongs must be used. Crucible tongs function is widely found in a science laboratory equipment or industrial equipment to handle a hot crucible, evaporating dishes, flasks, small beakers or other items. 3. Add unknown hydrate crystals to the dry crucible until it is 30-40% full. Ideal for use with crucibles and dishes with a wide variety of diameters Crucible tongs are large pincers made of welded steel that are used to grasp and take a hot crucible out of a fire or furnace, or to move a crucible from one location to another. These are a high quality, long lasting commercial grade crucible. Crucible tongs are scissor-like tools, but instead of having two blades, these tools are replaced with two pincers or pieces of metals that concave together, which allow the users to grasp a hot crucible, flasks, evaporating dishes, or even small beakers. Improper tongs can cause damage or complete failure of a crucible at the worst possible time. How To Use It: All crucibles should be handled with properly fitting tongs (lifting tool). Crucible Tongs These High Quality Laboratory Stainless Steel Tongs give a positive-grip with corrugated gripping surface for safely handling dishes in muffle furnaces and hot air Ovens. Weigh the crucible, recording the result to the correct number of significant figures. Do not touch the crucible with your fingers. Making the tongs This is the plan, the tongs will have on one claw an extension going up and then back, it will prevent the crucible from sliding while pouring, and help locking the crucible even tighter, since usually crucibles taper on the bottom, so it will tend to be pushed up against the safety. Crucible and tongs can also be crafted in "Ulf's Forge" at Illa-Newdd (Starting Islands). A disk of cardboard can be placed between the crucible and the furnace base prior to heating. Always use the crucible tongs when handling the crucible. 5 6 7 0 They are made of durable metals, allowed them to endure a very hot temperature when touching with the hot objects. Get a crucible, which has already been cleaned by the lab staff. In that case crafting of "Crucible and tongs" performs via "General Actions" skill and requires 1x Common ingot (Influence 70%) and Hammer (Influence 10%, losses 30 durability), skill Influence 20%. 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