NationMaster - Encyclopedia: Bung

A bung is an apparatus used to seal a container, such as a bottle, tube or barrel. Unlike a lid which encloses a container from the outside without displacing the inner volume, a bung is partially inserted inside the container to act as a seal. The lids for safety overpacks for 55 gallon drums some times may have a bung built in[1] for access of the contents of the container. These may be referred to as fuel bungs. Image File history File linksMetadata Download high-resolution version (2592x3872, 1096 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Bung Stopper (plug) Metadata This file contains additional information, probably added from the digital camera or scanner used... Image File history File linksMetadata Download high-resolution version (2592x3872, 1096 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Bung Stopper (plug) Metadata This file contains additional information, probably added from the digital camera or scanner used... Compression seal example A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage (eg. ... Containers in the port of Kotka (Finland) on the Baltic Sea. ... Reusable glass milk bottles A bottle is a small container with a neck that is narrower than the body and a mouth. ... TUBE (チューブ; chūbu) is a Japanese popular music group. ... Traditional wooden barrels in Cutchogue Modern aluminium beer barrels - also called casks - outside the Castle Rock microbrewery in Nottingham, England A barrel or cask is a hollow cylindrical container, traditionally made of wood staves and bound with iron hoops. ... LID is an abbreviation for: Light-Weight Identity, a system that allows individuals to claim and own their digital identity on the Internet League for Industrial Democracy Library Interchange Definition This is a disambiguation page â€” a list of pages that otherwise might share the same title. ... Volume is how much space a thing has. ...

The most common every-day example of a bung is the cork of a wine bottle. Other bungs, particularly those used in chemical barrels, may be made of metal and are screwed into place via threading. A cork stopper for a wine bottle A Champagne cork A stopper is a truncated conical piece of rubber or cork used to close off a glass tube, piece of laboratory glassware, a wine bottle or barrel and other containers with orifices. ... Bottles of Wine A wine bottle is a bottle used for holding wine, generally made of glass. ...

Rubber bungs

In chemistry, bungs are usually made of hardened rubber. Some chemistry bungs may also include one or more holes so a glass tube or laboratory funnel may be inserted through the bung and into the container or another piece of apparatus. The rubber bung may be used to seal a flask because the user may require the contents to be mixed via shaking the flask or may require that the contents be kept inside the flask and prevented from leaking out. In all cases, the bung keeps the experimentation environment completely sealed so that liquids or gases cannot escape. Chemistry (from Greek Ï‡Î·Î¼ÎµÎ¯Î± khemeia[1] meaning alchemy) is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as gases, molecules, crystals, and metals. ... Glass Tube, a tube made of glass used for carrying gases between pieces of apparatus during a laboratory experiment. ... A laboratory funnel has a variety of uses within the laboratory. ... A liquid will assume the shape of its container. ... -1...

Apart from self-made glassware, rubber bungs are rarely used now. They have been supplanted by laboratory glassware which come with standard ground glass joints which allow the pieces to be fitted together easily. Ground glass joints are also much more resistant to solvents and chemicals used. Brown glass jars with some clear lab glassware in the background Laboratory glassware refers to a variety of equipment, traditionally made of glass, used for scientific experiments and other work in science, especially in chemistry and biology laboratories. ... A reflux set-up with conically-tapered ground glass joints connecting the Graham condenser with the vacuum adapter (top) and two-necked flask. ...

Categories: Tools | Laboratory equipment | Seals (mechanical) Laboratory equipment refers to the various tools and equipment used by scientists working in a laboratory. ... An agar plate streaked with microorganisms isolated from a deep-water sponge. ... A copper aspirator. ... Front loading autoclaves are common Stovetop autoclaves need to be monitored carefully, but have a very large capacity Multiple large autoclaves are used for processing substantial quantities of laboratory equipment prior to reuse, and infectious material prior to disposal. ... A bunsen burner with needle valve. ... A calorimeter is a device used for calorimetry, the science of measuring the heat of chemical reactions or physical changes as well as heat capacity. ... An electronic bacterial colony counter. ... A colorimeter is a device used to measure the absorbance of a specific solution. ... A laboratory tabletop centrifuge A centrifuge is a piece of equipment, generally driven by a motor, that puts an object in rotation around a fixed axis, applying force perpendicular to the axis. ... A common modern fume hood. ... In microbiology, an incubator is a device for controlling the temperature, humidity, and other conditions in which a microbiological culture is being grown. ... UV light desinfects the sterile laminar flow cabinet when not in use Laminar flow cabinet or laminar flow closet is a carefully enclosed bench designed to prevent contamination of semiconductor wafers, biological samples, or any particle sensitive device. ... A magnetic stirrer consists of a small bar magnet (or stir bar), which is normally wrapped in plastics like PTFE and a stand or plate containing a rotating magnet or stationary electomagnets creating a rotating magnetic field. ... A microscope (Greek: (micron) = small + (skopein) = to look at) is an instrument for viewing objects that are too small to be seen by the naked or unaided eye. ... A 96-well microtiter plate. ... Plate readers (also know as microplate readers) are laboratory instruments designed to detect biological, chemical or physical events in samples stored in microtiter plates. ... A Spectrophotometer In physics, spectrophotometry is the quantitative study of electromagnetic spectra. ... A stir bar (or flea) is a magnetic bar, used to stir a chemical reaction mixture or solution in a laboratory. ... A common mercury thermometer A thermometer is a device which measures temperature or temperature gradient, using a variety of different principles. ... A Mini-Vortexer with micro-centrifuge tube. ... Three static mixers: The top is an alternating spiral with each spiral offset by 90Â°; the second is the above in a delivery tube, such as for epoxy; the last is a larger metal mixer used to divide a flow into streams that intersect at 90Â°. - Static Mixers use the... Brown glass jars with some clear lab glassware in the background Laboratory glassware refers to a variety of equipment, traditionally made of glass, used for scientific experiments and other work in science, especially in chemistry and biology laboratories. ... A beaker is a simple container for liquids, very commonly used in laboratories. ... A large, thick-walled laboratory tube used for strongly heating substances with a Bunsen burner or other heat source. ... A BÃ¼chner funnel connected to a flask with a tube leading to a vacuum pump BÃ¼chner funnel is a piece of laboratory equipment used in suction filtration. ... A burette (also buret) is a vertical cylindrical piece of laboratory glassware with a volumetric graduation on its full length and a precision tap, or stopcock, on the bottom. ... A conical measure is a type of laboratory glassware which consists of a conical cup with a notch on the top to allow for the easy pouring of liquids. ... Crucibles used in Czochralski method A crucible is a cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures. ... A cuvette is a kind of laboratory glassware, usually a small square tube, sealed at one end, made of plastic, glass, or optical grade quartz and designed to hold samples for spectroscopic experiments. ... Erlenmeyer flasks from the Argonne National Laboratory glassblowing shop. ... Conical flask An Erlenmeyer flask (also known as a conical flask) is a widely used type of laboratory glassware which features a conical base with a cylindrical neck. ... Round-bottom flasks are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. ... Florence flask A Florence flask (also known as a round bottom flask or a boiling flask) is a piece of laboratory glassware. ... A volumetric flask (vol flask for short) is a piece of laboratory glassware used to measure a very precise and accurate amount of a liquid, and is used for such when the amount is too big for a pipette or burette. ... A BÃ¼chner funnel connected to a flask with a tube leading to a vacuum pump A BÃ¼chner flask, also known as a vacuum flask, is a thick-walled erlenmeyer flask with a glass tube and hose barb protruding about an inch from its neck, connected to an aspirator. ... A retort. ... A gas syringe is a piece of laboratory glassware used to draw a volume of a gas from a beaker or other closed system, or measure the volume of gas given off in a reaction. ... Graduated cylinder. ... A selection of pipettes A pipette (also called a pipet or a pipettor) is a laboratory instrument used to transport a measured volume of liquid. ... Man looking at fungus inside of petri dishes A Petri dish is a shallow glass or plastic cylindrical dish that biologists use to culture microbes. ... Separating funnel A separating funnel or separation funnel or separatory funnel is a piece of equipment used in science to separate two immiscible liquids or solutions of different densities. ... A schematic representation of a Soxhlet extractor A Soxhlet extractor is a type of laboratory glassware invented in 1879 by Franz von Soxhlet. ... A test tube (Sometimes culture tube) is a kind of laboratory glassware, composed of a fingerlike length of glass tubing, open at the top, sometimes with a rounded lip at the top, and a rounded U shaped bottom. ... A thistle tube is a piece of laboratory glassware consisting mostly of a shaft of tube, with a reservoir and funnel-like section at the top. ... Caesium fluoride sample on a watch glass A watch glass is a circular, slightly concave piece of glass used in chemistry as a surface to evaporate a liquid, or as a cover for a beaker. ...

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Rubber bungs