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NMR tube cleaning apparatus: 1: NMR tube, 2: Compound residue, 3, 4: NMR tube cap, able to form a vacuum seal, 5: Cleaning Tube fits within NMR tube, 6: Solvent reservoir container, 7: Solvent/solvent level, 8: Vacuum applied, 9: Waste solvent. NMR tubes are hard to clean because of their small bore. They are cleaned best before the sample has ...
A test tube brush or spout brush is a brush used for cleaning test tubes and narrow mouth laboratory glassware, [1] such as graduated cylinders, burettes, and Erlenmeyer flasks. It is composed of nylon , synthetic, or animal fur bristles of various diameters lined against a rather sturdy wire handle with a looped end for hanging.
These tubes are usually made of glass, but can also be made of plastic or metal. They vary in size and purpose. Laboratory sample tubes must not be confused with glass tubing, which can be utilized to carry fluid between laboratory equipment. Example laboratory sample tubes are listed below: Ignition tube; Test tube; Boiling tube; NMR tube
The NMR sample is prepared in a thin-walled glass tube – an NMR tube. An NMR spectrometer typically consists of a spinning sample-holder inside a very strong magnet, a radio-frequency emitter, and a receiver with a probe (an antenna assembly) that goes inside the magnet to surround the sample, optionally gradient coils for diffusion ...
A wash bottle is a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks. Wash bottles are sealed with a screw-top lid. When hand pressure is applied to the bottle, the liquid inside becomes pressurized and is forced out of the nozzle into a narrow stream of liquid.
The rubber tube should be left protruding slightly beyond the end of the glass tube and sealed together with a little bicycle [i.e. rubber] cement." [ 1 ] However, it seems that Olsen has nothing to do with the mass production and sales of this invention.
Laboratory drying rack is usually used to dry up the tube in the laboratory; for example, it can help in drying test tube, boiling tube, and Thiele tube. In addition, laboratory drying rack can hold many types of flask including round-bottomed flask , Florence flask , kjeldahl flask, pear-shaped flask, retort flask, Schlenk flask , Straus flask ...
Cork borers usually come in a set of nested sizes along with a solid pin for pushing the removed cork (or rubber) out of the borer. The individual borer is a hollow tube, tapered at the edge, generally with some kind of handle at the other end. A separate device is a cork borer sharpener used to hone the cutting edge to more easily slice the cork.
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