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The 1 well rack is designed to hold only one test tube or any tube that fits in the space. It is normally made of epoxy-coated steel wire [ 6 ] but can also be made of polystyrene. The racks made from polystyrene are friction-fit and can only hold tubes that match in size to the rack.
It is used for holding a test tube in place [2] when the tube is hot or should not be touched. [3] For example, a test tube holder can be used to hold a test tube while it is being heated. [4] Moreover, when heating the tube with liquid or solid contained inside, the holder ought to tightly hold a test tube [5] in order for the tube to be ...
Stainless steel laboratory drying rack, which is also known as a 'Mod-Rack' pegboard, is the drying rack made of stainless steel that uses to drain laboratory accessories. The examples of stainless steel laboratory drying rack are flask holders, soap dispensers, paper towel dispensers, glove box holders, drain shelves. [ 1 ]
The tube is usually held by its neck with a clamp or tongs. By tilting the tube, the bottom can be heated to hundreds of degrees in the flame, while the neck remains relatively cool, possibly allowing vapours to condense on its walls. A boiling tube is a large test tube intended specifically for boiling liquids.
Tripods are usually made of stainless steel or aluminium and made light-weight for efficient portability within the lab. Often a wire gauze is placed on top of the tripod to provide a flat base for glassware. Tripods are generally tall enough for a bunsen burner to be placed underneath. [1]
Wire gauze may be woven from metals including iron, [5] steel, [6] copper, [7] and nichrome. [8] Nichrome alloy provides long life expectancy and tear resistance. [ 5 ] [ 8 ] The edges of the wire gauze are turned inward to help prevent fraying, [ 5 ] improve handling, and eliminate sharp protruding wire ends.
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