Send Email To Us

Heating - Glas-Col

Heating - Glas-Col

A heating mantle, or isomantle, is a piece of laboratory equipment used to apply heat to containers, as an alternative to other forms of heated bath. Heating and Insulating Tops. These Tops Are Offered With Or Without Heating Capabilities. They Prevent Vapor Condensation In the Upper Half Of a Flask During Distillation Of High Boiling Materials.

Get Details

Section 5.7 Title: Heating and Cooling Chemical Mixtures ...

Section 5.7 Title: Heating and Cooling Chemical Mixtures ...

a heating mantle. Heating mantles are controlled by variable transformers, often called Variacs. Never plug a heating mantle directly into a standard outlet, as it will overheat. When using a heating mantle: • Select a heating mantle that is the …

Get Details

Time (0:05). A Variac control is a brand name for a ...

Time (0:05). A Variac control is a brand name for a ...

A Variac control is a brand name for a common laboratory variable voltage transformer, a device that converts AC current to DC, and also controls the voltage of the electricity. At a low setting, the low voltage allows less current to flow through …

Get Details

Gary JONES President PhD MD FAAN Pharmacology

Gary JONES President PhD MD FAAN Pharmacology

As a diversion, let me say that the first attempt was done with a heating mantle and a variac control. Heating control escaped me and I recovered very hard char. The …

Get Details

Digital Heating Mantle with Stirrer 100ml/500ml/1L/2L/5L ...

Digital Heating Mantle with Stirrer 100ml/500ml/1L/2L/5L ...

Cheap digital heating mantle with magnetic stirrer, comes with digital dispay temperature control, for convenient reading, easy and accurate operation, durable inner and shell, long service life. Optional capacity 100mL / 250mL / 500mL / 1000mL / 2000mL / 5000mL / 10L / 20L to meet different lab requirements. Mantle with magnetic stirring function for more efficient and …

Get Details

Electrical Heating Mantles with Controllers Fisher ...

Electrical Heating Mantles with Controllers Fisher ...

Controllers provide accurate manual control of heating mantles, tapes and all other resistive loads with an adjustable output range from 5 to 100% of the rated voltage. Controller is 8 W x 6 D x 3.7 H. All units are supplied with a 6ft separable power cord, a grounded, 3-wire receptacle and lighted power switch. 3-Year warranty.OptiChem is a ...

Get Details

Heating Mantles VWR

Heating Mantles VWR

Description: Aluminum housed heating mantles feature a bottom opening to accommodate flasks with bottom valves. ,89084-350EA,89076-058EA,89076-060EA,89076-068EA,89076-074EA,89076-070EA,89076-072EA. This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above.

Get Details

Heat Sources and Heating Baths - Stony Brook University

Heat Sources and Heating Baths - Stony Brook University

electrocution. Always disconnect a Variac from the outlet before working with the device plugged into it. Discard the heating mantle if the fiberglass is brittle or cracked. Do not use any electrical equipment if any wires are frayed or exposed. Know where the nearest Fire Alarm Pull Box is to your lab. Know how to use a fire extinguisher.

Get Details

Heating Mantles Selection Guide: Types Features ...

Heating Mantles Selection Guide: Types Features ...

For this reason, heating mantles should never be plugged directly into a wall socket. Instead, a transformer, such as a variac, or some form of electronic relay or switch, should be used between the heating mantle and the wall socket. Configurations. Heating mantles are available in the following configurations: Mantle and controller unit ...

Get Details

Heating Mantles Selection Guide: Types Features ...

Heating Mantles Selection Guide: Types Features ...

For this reason, heating mantles should never be plugged directly into a wall socket. Instead, a transformer, such as a variac, or some form of electronic relay or switch, should be used between the heating mantle and the wall socket. Configurations. Heating mantles are available in the following configurations: Mantle and controller unit; Mantle only

Get Details

Recipes for Cooling Baths - University of Rochester

Recipes for Cooling Baths - University of Rochester

Heating mantle full of sand controlled by a Variac. Sand is less messy than oil and high temperatures are easy to attain. Put a thermometer in the sand and then experiment with the Variac until you achieve the correct temperature. Hot plate/water bath. Sometimes convenient for gentle heating (35-80 degrees). See Also: Complete list of heat ...

Get Details

Heating Mantle - PCE Instruments

Heating Mantle - PCE Instruments

Heating Mantle. In case of heating mantle it goes about a device which is used in laboratories to heat special media in glass vessels. Due to the various sizes of the glass vessels the exact amounts of liquids can be heated. The scope of volumes of heating mantle at PCE ranges from 100 ml up to 10

Get Details

What happens when material is heated in the mantle ...

What happens when material is heated in the mantle ...

Heating mantles should never be plugged directly into an outlet. A heating mantle can easily generate enough heat to vaporize most organic materials and will melt a flask if used on full power. ... It is imperative that it is plugged into a variac (power control).

Get Details

Powermite Models

Powermite Models

Heating Mantles. Power Controls. Magnetic Stirrer. Support Plates. Pricing Ordering Info . BUDGET MODELS. Models 3A (at left, 120V, 50/60 Hz) and SS-2 (at right, 120V, 60 Hz) are our low-cost, bench-top units. These feature a light-weight, cylindrical, steel housing (3.75 x 3.5) with polyurethane feet and an attractive gray solvent ...

Get Details

Heating Mantles -

Heating Mantles -

Heating Mantles. The two types of heating mantles used in the organic chemistry teaching labs are shown below. They are shown plugged into a Variac (in the back of the photo), since heating mantles are NEVER plugged directly into the outlet.. The heating mantle on the left is …

Get Details

Hydration of 1-Hexene - Lab Flow Flashcards Quizlet

Hydration of 1-Hexene - Lab Flow Flashcards Quizlet

In order to heat a round bottom flask in a heating mantle, plug the heating mantle into a Variac or Powermite. Turn the heat up gradually, and do not exceed 50-60% of the maximum output of the device. a Variac or Powermite gradually 50-60%

Get Details

RT-100 Limit Controller Manual -

RT-100 Limit Controller Manual -

In this case the heating mantle is plugged into a variac which is adjusted to heat the reaction to 100o C, then the variac is plugged into the RTU. A set point of 110o C is entered into the J-KEM 3300 and the “Limit Switch” is set to “High Limit” and the “Latching Switch” is set to “Latching”. In this configuration the variac ...

Get Details

Solved Isolation of Trimyristin from Nutmeg 2 ... - Chegg

Solved Isolation of Trimyristin from Nutmeg 2 ... - Chegg

Isolation of Trimyristin from Nutmeg 2 Materials Nutmeg Ether Heating mantle and Variac Setup for reflux Wide stem funnel and fluted filter paper for filtration Acetone for recrystallization Hot water bath and Erlenmeyer flask for recrystallization Hirsch funnel, filter paper and filter flask for

Get Details

Why is a heating mantle better than a Bunsen burner?

Why is a heating mantle better than a Bunsen burner?

Jan 16, 2020 Similarly, it is asked, why does a heating mantle always have to be connected to a Variac? The power input of the heating mantle has to be controlled. Never plug it directly into a wall plug. The heating mantle will burn out rapidly. It is imperative that it is plugged into a variac (power control). What heat source should you use to heat flammable organic solvents?

Get Details

Sciencemadness Discussion Board - Heating Mantle ...

Sciencemadness Discussion Board - Heating Mantle ...

May 02, 2012 I am hoping to acquire in a short while a heating mantle for my 250 ml RBFs. The two inexpensive alternatives to control the unit are either a plain light dimmer controller (heavy duty 1KW or 2KW) or my antique variac which I would describe more as a multi-tap transformer with a selector switch that goes from 65 to 140v.

Get Details

Sciencemadness Discussion Board - Heating mantle/variac ...

Sciencemadness Discussion Board - Heating mantle/variac ...

Nov 05, 2015 I'm assuming the variac is only needed for one of those ring style heating mantles with no controls but we all know about assumptions. Any enlightenment is greatly appreciated. If the heating mantle has temperature control built in, you don't need the variac. As below, so above. Mood: Chemistry: the subtle science.

Get Details

Heating mantle controller at Thomas Scientific

Heating mantle controller at Thomas Scientific

Powrtrol Heating Mantle Controller. Glas-Col. Provides precise manual control of heating mantles, tapes, cords and other resistive loads Adjustable output range from 3-100% of rated voltage Mount on lattice work or bench top Model 5915A01 will accommodate non-conductive loads to 1200 watts; model 5915A05 to 2400 watts.

Get Details

An Inexpensive Controller for Heating Mantles - NASA/ADS

An Inexpensive Controller for Heating Mantles - NASA/ADS

The conventional way to control the power to a heating mantle is through the use of a Variac. In a typical undergraduate teaching laboratory there are some 20 heating mantles in use at any given time, requiring some 20 Variacs, at a cost of approximately 180 …

Get Details

How to set up a reflux apparatus

How to set up a reflux apparatus

The heating mantle should fit the flask size. The temperature will be difficult to control if the heating mantle lacks contact with the flask. The heating mantle will overheat or burn out if left unintended for too long. • Add the sand into the heating mantle. Make sure the sand occupies 2/3 of the heating mantle. Figure 1 Reflux Apparatus

Get Details

Heating mantle - chem.ucla.edu

Heating mantle - chem.ucla.edu

The heating mantle will burn out rapidly. It is imperative that it is plugged into a variac (power control). b. The size of the heating mantle has to match the size of the flask. Heating mantles that are too big or too small do not provide a good heat transfer; the heating mantle will overheat and burn out quickly. In some cases, a better heat transfer can be accomplished by addition …

Get Details
Related Posts
<script type="text/javascript" src="https://s9.cnzz.com/z_stat.php?id=1281041249&web_id=1281041249"></script>