On the thermo-electric action of metals and liquids / by George Gore.

  • Gore, George, 1826-1909.
Date:
1871
Catalogue details

Licence: Public Domain Mark

Credit: On the thermo-electric action of metals and liquids / by George Gore. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    Chloride of Cobalt. Ounces diluted No. to 12 OZ8. 1 i oz. saturated solution 2 3 ozs. „ » Value of Deflection. iHot copper positive. Li- quid acid. No stains, ex- cept slightly at edge of hot liquid. Grains diluted No. to 12 ozs. 1 ... 200 2 .. 800 Protosulphate of Iron. Value of Deflection. •0198 Hot copper negative. •0794 No stains on either plate. Grains diluted No to 12 ozs. 1 100 2 1000 Chloride of Manganese. Value of Deflection. . . ) Hot copper positive, ao ) stains. 1 t\nnr i I^iquid neutral, or very I faintly acid. Ounces of strong solution No. diluted to 12 ozs. 1 I J Chromic Acid. Value of Deflection. )Hot copper positive. Bo th. plates much acted upon, ap- parently the cold one the most. Chloride of Chromium. Ounces of strong solution No. diluted to 10 ozs. Value of Deflection. !Hot copper positive. The. plates appeared unailected.1 The solution was weaklyv acid to test-paper. No. 1. 2. Nitrate of Lead. Grains. Value of Deflection. 100 diluted to 12 ozs. -0009 j Saturated solution (undiluted) -0259 j Hot plate negative. Nc stains. r • Liquid extremely faintlj acid. Grains diluted No. to 20 ozs. 1. 0 287 674 Sulphate of Zinc. Value of Deflection. 0080 Hot copper negative. [ Liquid •0048 „ po.sitive. ( neutral.