Homemade Piezoelectric Material
Susanna Cruser・2 minutes read
Combine cream of tartar and soda ash in water to create Rochelle salt, store the mixture to encourage crystal formation, and test for piezoelectric properties by applying mechanical stimulation.
Insights
- By combining cream of tartar with water and soda ash at a specific temperature, Rochelle salt, a natural piezoelectric material, can be created with crystal formation.
- Testing for piezoelectric properties in the crystals involves applying mechanical stimulation to observe an electrical response using a voltmeter after the crystals have been formed and dried off.
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Recent questions
How can Rochelle salt be created?
Rochelle salt can be created by combining cream of tartar with water, adding soda ash, filtering, and encouraging crystal formation.
What temperature should Rochelle salt mixture reach?
The Rochelle salt mixture should reach around 180°F to stop bubbling and turn clear.
How should Rochelle salt crystals be stored?
Rochelle salt crystals should be stored in a plastic container overnight in a cool place to encourage crystal formation, with the option to refrigerate for up to two more days if needed.
How can piezoelectric properties of Rochelle salt be tested?
The piezoelectric properties of Rochelle salt can be tested by applying mechanical stimulation and observing an electrical response using a voltmeter.
What materials are needed to create Rochelle salt?
To create Rochelle salt, you will need cream of tartar, water, soda ash, a pot, a filter, a plastic container, and a voltmeter for testing piezoelectric properties.
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Summary
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Creating Piezoelectric Material from Rochelle Salt
- To create a natural piezoelectric material known as Rochelle salt, combine 7 oz of cream of tartar with water in a pot on the stove, gradually adding half teaspoons of soda ash until the mixture stops bubbling and turns clear at around 180°F.
- After filtering the mixture and letting it cool, store it in a plastic container overnight in a cool place to encourage crystal formation, with the option to refrigerate for up to two more days if needed; once crystals form, dry them off and test for piezoelectric properties by applying mechanical stimulation to observe an electrical response using a voltmeter.
