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Electro-Chemistry


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Conductivity of Solution with Glass Jar

Code: CHEC001

Pure water does not conduct electricity very well. However, when certain substances are dissolved in water, the solution does conduct electricity. You can make a simple device that shows how well a solution conducts electricity. This device uses a flashlight bulb to indicate how well the solution conducts electricity. The better the solution conducts electricity, the brighter the bulb will glow.

Conductivity of Solution with Plastic Jar

Code: CHEC006

Pure water does not conduct electricity very well. However, when certain substances are dissolved in water, the solution does conduct electricity. You can make a simple device that shows how well a solution conducts electricity. This device uses a flashlight bulb to indicate how well the solution conducts electricity. The better the solution conducts electricity, the brighter the bulb will glow.

Electrolysis Brownlee with Jar

Code: CHEC011

Lets your students actually observe increases and decreases in a liquid's conductivity! Consists of a molded socket on a PVC cover, provided with binding posts for connection of two wire cords. Two electrodes are internally connected to the lamp circuit. The cover is designed to fit a clear glass tumbler. Light bulb, glass tumbler, and instructions sheets are provided. (4" x 4" x 5", 0.5Ib)

Student Cell Voltaic with 2 Electrodes, Voltaic Cell

Code: CHEC016

The voltaic cell is ideal for demonstrating the characteristics of a primary cell! Supplied with 2 electrodes, copper and zinc. Size (4" x 4" x 5", 0.55lb)

Student Cell Voltaic with 10 Electrodes, Voltaic Cell,Supplied with 8 electrodes

Code: CHEC021

The voltaic cell is ideal for demonstrating the characteristics of a primary cell, with clear cup. Size (4" x 4" x 5", 0.55lb)

Student Cell Voltaic with 10 Electrodes, Voltaic Cell,Supplied with 10 electrodes

Code: CHEC026

The voltaic cell is ideal for demonstrating the characteristics of a primary cell, with clear cup. Size (4" x 4" x 5", 0.55lb)

Brownlee Electrolysis Apparatus

Code: CHEC031

This is the simplest type of electrolysis apparatus. Platinum electrodes are attached to insulated connecting rods which are attached to binding posts mounted on a non-conducting support. The support rests across the top of a battery jar (not included) and has 2 clips that hold 2 inverted test tubes. The unit operates on a 6V battery or 10V. DC power supply

Contemporary Brownlee Apparatus

Code: CHEC036

Brownlee Electrolysis Apparatus: New Design! This unit features several improvements over the standard Brownlee. The open front spring clips make it much easier to remove the test tubes while the tubes remain submerged. The test tubes have been graduated for a clear measurement of the volume of gas generated. The black acrylic background aids in viewing the water level while supporting the test tubes. The binding posts have been repositioned for easy access and greater safety. The unit measures 140mm x 203mm x 38mm. Instructions included.

Brownlee Electrolysis Apparatus

Code: CHEC041

Perhaps this is the most budget Brownlee apparatus. Two tubes are held in place over the electrodes with clip supports, making it easy to collect H2 and O2 from electrolysis of water.

Electrolysis Apparatus - Ungraduated tubes

Code: CHEC046

Electrolysis Apparatus: Collecting Tubes & Platinum Electrodes - An inexpensive yet functional electrolysis apparatus! The two 12-5/8" arms of the U-tube are un-graduated and open at the top. Rubber tubes and pinch clamp are used at the open ends to retain the gases. Electrolysis Apparatus, with Un-graduated Tubes

Electrolysis Apparatus, Collecting Tubes & Platinum Electrodes

Code: CHEC051

This Hoffman form electrolysis apparatus is designed for student experiments in electrolysis for precise quantitative measurements. This durable, easy-to-use kit features two telescoping gas collecting tubes graduated to 10mL. Plus, high quality platinum electrodes.

Simple Type Electrolysis Apparatus

Code: CHEC056

A simple type of electrolysis apparatus with platinum electrodes attached to insulated connecting rods which are attached to binding posts mounted on a non conducting support. The support rests across the top of a battery jar (not included) and has two clips that hold two inverted test tubes. The unit operates on a 6V battery or 10V DC power supply.

Electrolysis Apparatus with 6 Electrodes

Code: CHEC061

Electrolysis cell apparatus with 6 electrodes and an electrolyzer. It is ideal for demonstrating the characteristics of a primary cell.

Potato Clock - Electrochemical Cell Type I

Code: CHEC066

This kit demonstrates how two potatos power a clock which actually is a electrochemical cell. Other fruits such as apple, lemon, etc can also be used to make a electrochemical cell. Transfer of electrons between the zinc galvanized nail is inserted into a potato and the copper wire is inserted another potato. The potato conducts electricity, keeps the zinc ions and copper ions separate, so that the electrons in the copper wire are forced to move thus generate current.

Potato Clock - Electrochemical Cell Type II

Code: CHEC071

This kit demonstrates how two potatos power a clock which actually is a electrochemical cell. Transfer of electrons between the zinc galvanized nail is inserted into a potato and the copper wire is inserted another potato. The potato conducts electricity, keeps the zinc ions and copper ions separate, so that the electrons in the copper wire are forced to move thus generate current. Other fruits such as apple, lemon, etc can also be used here to replace potato electrochemical cell.

Potato Clock - Electrochemical Cell Type III

Code: CHEC076

This kit demonstrates how two potatos power a clock which actually is a electrochemical cell.Transfer of electrons between the zinc galvanized nail is inserted into a potato and the copper wire is inserted another potato. The potato conducts electricity, keeps the zinc ions and copper ions separate, so that the electrons in the copper wire are forced to move thus generate current.

Daniel Cell

Code: CHEC081

The Daniel cell was the first truly practical and reliable electric battery that supported many nineteenth century electrical innovations

Platinum Rod

Code: CHEC086

Rod with plastinum rod

Primary Cell - Dry Battery

Code: CHEC091

This device clearly shows dry battery structure. Students can under how dry battery is built.

Solution Conductivity Experiment Analysis Kit

Code: CHEC096

This kit is useful to analysis experiment of conductivity of solution.

Solid and Liquid Conductive Test Kit

Code: CHEC101

A LED llight on/off can easily tells students what are conductive, what are non conductive materials or liquids

Solid Conductive and Non-conductive Materials

Code: CHEC106

Though testing copper, brass, aluminum, iron, zinc, lead, tin, stainless steel, glass, wood, plastics, leather, rubber, cotton and cardboard, student will have clear idea what are conductive and what are non conductive materials.

Fuel Cell (Hydrogen and Oxygen Ion Power) Type I

Code: CHEC111

The fuel cell converts the chemical energy in hydrogen and oxygen into direct current electrical energy by electrochemical reactions.

Fuel Cell (Hydrogen and Oxygen Ion Power) Type II

Code: CHEC116

The fuel cell converts the chemical energy in hydrogen and oxygen into direct current electrical energy by electrochemical reactions.

Fuel Cell (Hydrogen and Oxygen Ion Power) Type III

Code: CHEC121

The fuel cell converts the chemical energy in hydrogen and oxygen into direct current electrical energy which drives fan above.

Fuel Cell (Hydrogen and Oxygen Ion Power) Type IV

Code: CHEC126

The fuel cell converts the chemical energy in hydrogen and oxygen into direct current electrical energy which drives the fan above.
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