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Magnetic Stirrer - an overview | ScienceDirect Topics

Magnetic Stirrer - an overview | ScienceDirect Topics

A magnetic stirrer is a device widely used in laboratories and consists of a rotating magnet or a stationary electromagnet that creates a rotating magnetic field. This device is used to make a stir bar, immerse in a liquid, quickly spin, or stirring or mixing a solution, for example. A magnetic stirring system generally includes a coupled heating system for heating the liquid (Figure 6.5).

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601 Unique Housewarming Gifts - Uncommon Goods

601 Unique Housewarming Gifts - Uncommon Goods

A new home means a big housewarming party! Find new and exciting designs for the home, including personalized decor, bar accessories, and unique entertaining essentials. Need inspiration? It's never too late to send them your favorite kitchen tool, give them a piece of inspirational artwork for the living room, or some one-of-a-kind wine glasses.

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heat of reaction - University of Massachusetts Boston

heat of reaction - University of Massachusetts Boston

A TeflonTM-coated magnetic stir bar inside the inner cup allows ... This means that the endothermic heat change of the calorimeter is the result of an exothermic reaction or process, which gives off the same amount of heat as the calorimeter takes ... Start the stirrer motor, and adjust the speed to obtain vigorous

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Orsat gas analyser - Wikipedia

Orsat gas analyser - Wikipedia

An Orsat gas analyser is a piece of laboratory equipment used to analyse a gas sample (typically fossil fuel flue gas) for its oxygen, carbon monoxide and carbon dioxide content. Although largely replaced by instrumental techniques, the Orsat remains a reliable method of measurement and is relatively simple to use. The apparatus we invented by Louis Orsat who reported it in the …

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A self-taught inventor builds and rides a jet-engine go-kart

A self-taught inventor builds and rides a jet-engine go-kart

Feb 21, 2022 As you'd imagine, it’s incredibly loud, which means being in the driver's seat wouldn't be possible without investing in solid hearing protection. Called The Beast , Maddox's newest invention ...

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Products for Science Education | PASCO

Products for Science Education | PASCO

Luckily, this means you can get PASCO quality products at a clearance price! Clearance Items; Explore Our 2022 Catalogs. Explore our 2022 Digital Catalog for the latest Science and STEM Technology Solutions. Our new digital flipbook catalogs have the convenience of 24/7 online access, with the friendly, familiar catalog look-and-feel. The FREE ...

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Agitator (device) - Wikipedia

Agitator (device) - Wikipedia

Magnetic agitator Main article: Magnetic stirrer This is a device formed by a metallic bar (called the agitation bar) which is normally covered by a plastic layer, and a sheet that has underneath it a rotatory magnet or a series of electromagnets arranged in …

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Analysis Method for pH and Alkalinity | Water Resources ...

Analysis Method for pH and Alkalinity | Water Resources ...

Magnetic Stirrer; Stir Bar; 100ml Graduated Cylinder (optional for pH measurement) After calibrating your meter with the buffers, rinse the electrode(s) and glassware with distilled or deionized water. Carefully measure 100 ml of your sample and place in a 150 ml beaker for the pH and alkalinity part. Place the rinsed electrode in the test sample.

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How microwave oven is made - manufacture, making, used ...

How microwave oven is made - manufacture, making, used ...

Manufacturers vary the means by which they disburse microwaves to achieve uniform cooking patterns: some use dual stirrer fans located on opposite walls to direct microwaves to the cavity, while others use entry ports at the bottom of the cavity, allowing microwaves to enter from both the top and bottom.

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Melamine formaldehyde: curing studies and reaction ...

Melamine formaldehyde: curing studies and reaction ...

Oct 17, 2012 Studies on the addition reaction between melamine and formaldehyde by means of reversed-phase liquid chromatography has been reported ... in a round-bottomed flask equipped with magnetic stirrer ...

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3 Ways to Make Your Own White Board (Dry Erase ... - wikiHow

3 Ways to Make Your Own White Board (Dry Erase ... - wikiHow

Sep 15, 2021 This article was co-authored by wikiHow Staff.Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. There are 17 references …

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BOILING POINT DETERMINATION - Faculty of Science

BOILING POINT DETERMINATION - Faculty of Science

The stirrer bar is important to avoid “bumping” of hot liquid Set up and use apparatus in a fumehood The sample liquid (approx. 0.5 mL) is introduced into a 150mm diameter test tube using a Pasteur pipette and a small magnetic stirring bar is …

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