American Heritage® Dictionary of the English Language, Fourth Edition
- n. A device for determining the amount of a substance released during electrolysis by measuring the electrical charge.
Century Dictionary and Cyclopedia
- n. Same as coulomb-meter.
- coulomb + -meter (Wiktionary)
- coulo(mb)1 + -meter. (American Heritage® Dictionary of the English Language, Fourth Edition)
“With these precautions, the weight of silver deposited in the silver coulometer was found to bear the same relation to the weight of copper deposited in the copper coulometer as the atomic weight of silver bears to one-half the new atomic weight of copper, within a reasonable limit of error.”
“In the first place, it was found that, because of the reducing action of metallic copper on cupric sulphate to form cuprous sulphate, too little copper was deposited in the copper coulometer to correspond to the current.”
“On the other hand, it was found that in the silver coulometer when the anode is wrapped with filter paper (as it always was in the earlier researches), too much silver is deposited, or at least the total weight of the precipitate is too large.”
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