Thoughtful delivery service

Easy 30 day returns

Certified Reviews

Description

Tuning ForkA tuning fork is an acoustic resonator in the form of a two pronged fork with the prongs formed from a U shaped bar of elastic metal. It resonates at a specific constant pitch when set vibrating by striking it against a surface or with an object, and emits a pure musical tone once the high overtones fade out.

is a versatile and essential chemical compound with the formula Na2CO3 and a molar mass of 106

a cathode of carbon

Bell jars are made from specially selected mold-blown blanks

Pasteur pipettes

R-40 or HCC 40

Some forms of copper(II) hydroxide are sold as "stabilized" copper hydroxide

Aqueous solutions were made using deionized water

Soft Iron Rod

Dynamo - a device that makes direct current electric power using electromagnetism

and start or control the speed of motors

the nitrate salt of the ammonium cation

for laboratory hydrogen and oxygen obtaining