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| Nature 172, 542 - 543 (19 September 1953); doi:10.1038/172542b0 |
|
High-frequency Papyrography of Salts
YOHEI HASHIMOTO & ITSOHIKO MORI
Institute of Phytochemistry, Kobe College of Pharmacy, Mikage P.O., Kobe.
A METHOD termed 'high-frequency papyrography', by which chemical substances and, in particular, electrolytes may be readily detected, has already been reported1. The process involves the movement of the papergram between the plates of a condenser in a tuned-grid-type high-frequency circuit, when large changes in the grid current are observed.
© 1953 Nature Publishing Group
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