Fractional Distillation Assembly
Borosilicate glass. 
Joint Size: 19/26. 

Comprised of the following components:
Round-bottom Boiling Flask 250ml
Receiver adapter vacuum
Erlenmeyer Flask 250ml
Vigreux Column
Liebig Condenser
4x Joint Clip 19/26.

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Material: Glass
Color: Clear
Heat resistant material
Chemical resistant

Technical Specifications :
Outer Diameter: 4mm 
Length: 53mm 
Inner Diameter: 2.5mm

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In this activity, students will be performing a two-phase process to produce small batches of crude biodiesel.
Sufficient materials for 15 groups.  
The crude biodiesel produced is of sufficient quality for use in the demonstration of the burning qualities of both biodiesel and vegetable oil. 
Included is an optional small-scale exercise where the students will use a washing procedure for the crude biodiesel if you wish to have the students experience the full process of producing biodiesel to meet quality levels necessary for use in vehicles. 
Teacher's manual and student copy masters are included.

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Show how to produce sodium salicylate acid from a naturallyoccurring, renewable resource. 
There are enough materials for 15 groups. 
Convert sodium salicylate to salicylic acid. 
Use a quick confirmatory test to examine for the presence of salicylic acid. 
The prepared salicylic acid can then be used to synthesize acetylsalicylic acid. 
Teacher's manual and student copy masters are included.

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Each kit contains instructions and enough materials for 30 tests.
This is a two-part test to determine whether a surface has been exposed to a discharged firearm. 
A rapid colour change takes place to verify the presence of nitrates and lead. 

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Supplied with 600mm rod.
Metal stand with support clamp for use with Hoffman's Voltameter. 

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The Hotplate and Magnetic stirrer is made of stainless steel with a ceramic to coating resist corrosion. 
It also has a separated safety circuit which will automatically stop heating when temperature reaches 350 degrees. 
The Hotplate Stirrer features an enclosed assembly with protection class IP42 and a DC brushless motor which guarantees long product life.
The variable speed motor is designed to stay at a constant speed even during change in load. 
High magnetic adhesion ensures that the stirrer bar stays stable at the bottom of the container. 

Technical Specification :
Dimension of work plate [mm]: 135mm
Speed range [rpm]: 0-1500
Work plate material: Stainless steel with ceramic coated    
Speed display: Scale
Motor type: DC brushless motor
Power [W]: 530
Temperature display: Scale
Frequency [Hz]: 50/60    
Stirring positions: 1
Max. stirring quantity[H2O], L: 20
Heating output [W]: 500
Motor rating input [W]: 18
Heating temperature range [°C]: RT-340
Motor rating output [W]: 10
Safety temperature [°C]: 350
Protection class according to DIN EN60529: IP42
Max. magnetic bar(L x Ø) [mm]: 80
Dimension [W x D x H] mm: 160×280×85
Permissible ambient temperature [?]: May-40
Weight [kg]: 2.8
Permissible relative humidity: 80%

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This Hot plate stirrer heats to 340° and is widely used in chemical synthesis, physical and chemical analysis, bio-pharmaceuticals and other fields. 
The hotplate casing is made from moulded stainless steel. 
The hotplate is ceramic coated to resist corrosion and increase heating consistency. 
PID temperature technology controls heating process ensuring that target temperature is reached quickly and control and accuracy is enhanced. 
This hotplate model is suitable for external temperature sensor which displays and controls the actual liquid temperature.

Technical Specifications :
Ceramic coated
Hot warning light, remains active even when unplugged
Units can be stored on side
Integral fitting for retort rod
Stirring Capacity: 20 litres
Dimensions: 155(w) x 270(d) x 55(h) mm
Net weight: 2.3kg
Electrical supply: 240V
Design to allow standard retort base to slide underneath
Plate Dimensions: 135 x 135 mm
Stirrer Speed: 30 to 1500 rpm
Max. Plate Temperature: +340°C
Heater Power: 530W
Socket to fit temperature controller
Speed accuracy: +/- 1%
Digital display
Hotplate Temperature: up to 340°C
Temp setting accuracy: +/- 1C
Speed accuracy: +/- 1%
Heating:  530W

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