Always use a heating mantle with a variable autotransformer to control the input voltageNever plug them directly into a 110V lineBe careful not to exceed the input voltage recommended by the mantle manufacturerHigher voltages will cause it to overheat melt the fiberglass insulation and expose the bare heating element.
The onoff switches have been known to fail on some hot plate models continuing to heat even though in the off positionsThis has resulted in fires in some laboratoriesOccasionally test the off switch on hot plates and heating mantles by making sure the heating device quickly cools.
1 Switch on the heating by the mains switch2 There are one control knob on the heating mantle3 Control knob is for controlling the rate of temperature rising4 Switch of the heating mantle after usage and after coming to room temperature5 Don’t place any flammable liquids or solids directly in beakers on.
250W Heating Mantle has a builtin digital temperature display and can cradle 500mL round bottom flasks proving a safe way to heat flammable organic liquidsMantle has a builtin power controller and incorporates a heating element suspended within a ceramic fiber insulating material for safe heat transferMaximum temperature is 450 degrees.
Activity 8 Hazard 9 Who might be harmed and how 10 Existing measures to control risk 11 Risk rating 12 Result 13 General use of Bunsen burners Fire heat and gas User burnsA hot plate or heating mantle must be used when flammable liquids are to be heatedAfter use Adjust the collar to create a cool flame.
Alarm temp for mantle heater Real temp for mantle heater Alarm temp for vapor Real temp for vapor Recommendation Please follow the steps below before using our techno heat mantle system 1Set ⑤and ⑦as 0 ℃AV isdeactivatedClick mantleor CH 1 jacketor CH 2 liquidor CH 3 and Vaporor CH 4 and.
Posts 137 Registered 1062004 Location Soutwest sweden Member Is Offline Mood desiccated posted on 912021 at 0641And nitric acid will be destroyed if the heating mantle gets too hot and it can very quickly get hot enough to boil sulfuric acidSo I have to wait until the nitric acid starts to boil and then turn.
Aug 11 2020 The mantle will remain warm even after turning off the Variac and therefore flasks have to be removed from the mantle in order to cool Figure 152 ab Distillation using a heating mantle c Cooling of a flask after heatingSafety note the main hazard with heating mantles is that flammable organic liquids spilled on the.
Being used to heat the round bottom flaskIn your equipment set up or any of the others the heating mantle and heating controller will be replaced by an engineered shaped aluminium block sitting on the top of a stirrer hot plateThis is a more modern version of a heating mantle with some distinct benefits.
Controlled Heating Mantle Magnetic Stirring Heating Mantle MultiPosition Heating Mantle2Position Heating Mantle LMHMA1002Position Heating Mantle LMHMA1012Position Heating Mantle LMHMA1022Position Heating Mantle LMHMA103.
Dec 30 2012 In research labs oil baths sand baths or heating mantles are commonly usedOil baths works fine for most applications but cause an additional fire hazard when paraffin oil is usedMany paraffin oils start to smoke around 150 o CSilicon oil is usually stable up to 250 o C.
Dec 30 2012 The heating mantle will burn out rapidlyIt is imperative that it is plugged into a variac power controlThe size of the heating mantle has to match the size of the flaskHeating mantles that are too big or too small do not provide a good heat transfer the heating mantle will overheat and burn out quickly.
Examples include vacuum pumps electrophoresis devices stir plates hot plates heating mantles centrifuges UV lamps refrigerators and freezersThis equipment can pose a serious hazard if not properly maintained or improperly usedIn addition an electrical hazard could damage expensive equipment or wipe out years of research.
Except for the cord mantles are not generally repairableIf the fiberglass is brittle or cracked or if any wires are exposed discard the heating mantleNever immerse a heating mantle in water or other liquids or place these in the mantle and always use a properly grounded outlet.
Fabric mantles are generally cheaper then rigid mantles although they are susceptible to damage from spilled liquidsThe covering fabric layered can be torn or frayed by exposure to hot liquids or corrosives exposing the wiring beneathThis can lead to a fire hazardHeating mantles produce their heat by converting AC voltage.
GlasCol invented the Electric Heating Mantle in 1939 and has continued to be the industry leader for Laboratory and Industrial heating ever sinceOur products are known for exceptional performance reliability and durabilityFabric interiors conform and protect glasswareAvailable in both aluminum and fabric.
Heating mantles are commonly used to heat roundbottom flasks reaction kettles and related reaction vesselsThese mantles enclose a heating element in layers of fiberglass clothHeating mantles pose minimal shock hazardThey are normally fitted with a male plug that fits into a female receptacle on an output line from a variable.
As long as the layers of fiberglass cloth remain intact the heating mantle will pose no shock hazardAlways use with a variable autotransformer to control the input voltageDo not exceed the input voltage recommended by the mantle manufacturerHigher voltages will cause it to overheat melt the fiberglass insulation and.
Heatingmantle bunsen burner with waterbathHazard Risk Control measure 01mol dm3 NaOH solution – no hazardEye flood with tap water 10min1bromobutane – flammable serious health hazard hazardous to the aquatic environment.
Jul 05 2017 The common heating devices used in labs are bunsen burners hot air ovens hot plates heating mantles muffle furnaces hot oil baths and microwave digestion systemsThe selection of a device depends on the application in handHeating exposes you to burns and boils resulting from contact with hot surfaces boiling liquids vapours or flames.
Mar 03 2021 Heating devices ehot plates heating mantles ovens etcElectrophoresis devices UV lamps Centrifuges Refrigerators and freezers These and all electrical devices used in the lab setting present a potential danger of injury due to electric shock electrocution burns fires explosions and falls.
SP WilmadLabGlass Reaction Kettle Heating Mantles SP IndustriesDescription These allglass constructed heating mantles are for use with LG8071 through LG8089 reaction kettlesThey provide even heat distribution14201112EA14201048EA14200916EA14200650EA.
Substances being heated and ensure all hazards eExplosion implosion or the release of toxic or flammable gases that might arise have been suitably addressed before proceedingWhen heating certain substances the liberation of hazardous gases may require the use of a fume cupboard or other means of extraction.
These mantles enclose a heating element in a series of layers of fiberglass clothAs long as the fiberglass coating is not worn or broken and as long as no water or other chemicals are spilled into the mantle heating mantles pose no shock hazardAlways use a heating mantle with a variable autotransformer to control the input voltage.
Time to remove the heat and apply external coolingThe setup should allow for fast removal of heatA lab jack under the heating mantle is a good way to accomplish thisHazardous gases vapors dusts or fumes – whenever they are likely to be evolved an appropriate sized local exhaust system or laboratory hood must be used.
To protect you from shock hazards due to spills or flask breakageEMV VShaped Mantle Stainless steel liner on all EMX models provides electrical and mechanicalEM Electromantle™ heating mantles are used in wet chemistry to heat liquids in round bottom flasksThe plastic case is designed to remain cooltothetouch when in operation.
TrueFalse Heating mantles responds quickly to changes in the control setting therefore allows for drastic inclines and declines of operating temperatures during the experimentTrueFalse The main safety hazard with heating mantles is that flammable organic liquids spilled on the surface of a hot mantle can possibly ignite.
When handling organic liquid samples the heating mantles are alternatives to Bunsen burners and hotplatesIn contrast to other heating devices glassware containers may be placed in direct contact with the heating mantle without the risk of glassware shattering.
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