«WESTON STANDARD CELL»に関連する英語の本
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1
Electronic Measurement and Instrumentation
Electrical potential difference The primary standard for electrical potential
difference used to be provided by an electro-chemical standard cell (the Weston
standard cell), see Fig. 2.2. The voltage of a Weston cell is approximately
1.01860 V at ...
2
Handbook of Applied Superconductivity
... and Standards in London, the Clark cell was replaced by the international
Weston standard cell (Cd-Hg) which had superior long-term stability, a smaller
temperature coefficient and less hysteresis (Weston 1892). Moreover its output
voltage ...
3
Electricity--low Frequency
[66] W. C. Vosburgh and R. G. Bates, Constancy of modified Weston standard cell
over long periods, J. Electrochem. Soc. 111,997(1964). [67] H. L. Callendar and
H. T. Barnes, On the variation of the electromotive force of different forms of the ...
F. L. Hermach, R. F. Dziuba, 1968
4
National Institute of Standards and Technology Special ...
The Weston standard cell can be disturbed by transport or if it is subjected to a
change in temperature or a small electrical current. When at times it was
necessary to eliminate cells — due to changes in emf of a cell relative to the
mean of the ...
5
Precision Measurement and Calibration: Electricity: low ...
[66] W. C. Vosburgh and R. G. Bates, Constancy of modified Weston standard cell
over long periods, J. Electrochem. Soc. Ill, 997 (1964). [67] H. L. Callendar and
H. T. Barnes, On the variation of the electromotive force of different forms of the ...
6
Introduction to Instrumentation and Measurements
In the normal Weston standard cell, the electrolyte is a saturated aqueous
solution of cadmium sulfate (CdSO4). The saturated CdSO4 electrolyte gives the
EMF of the normal cell a relatively high temperature coefficient (tempco), about
À40mV/ ...
7
Advanced Engineering Chemistry
Weston Standard Cell The Weston cell shown in Fig. 6.2 is prepared in a l-l-
shaped glass vessel, one arm containing {5.1-.1; ; ...... 5.1. cadmium amalgam
which contains 12.5% Cd by H I ' weight is the negative electrode and the other
arm ...
8
The Story of Electrical and Magnetic Measurements: From 500 ...
... cadmium electrodes and cadmium salts have low temperature coefficients of
voltage. Weston soon began to investigate cadmium cells, and by 1891 he had
applied for a patent on the "Weston Standard Cell"; the patent was issued in 1
893, ...
9
Introduction to Instrumentation and Measurements, Third Edition
Sealed glass envelope Saturated CdSO4 solution V o + – CdSO4 Xtals Hg 2 SO
4 Cd|Hg amalgam Hg Pt wires FIGURE 1.6 Diagram of a saturated Weston
standard cell battery. in a sealed, glass H-tube (see Figure 1.6). In the normal
Weston ...
The cell reaction may be represented as, Cd2 Wax Seal Cork _ CdS04 Crystals 9
— CdS04,Hg2S04 Hg Weston Standard Cell Fig. 6. Cd + Hg2+ p> .2+ + Hg E=
1.0183- 4.06 x 10~~5 (t- 20)- 9.5 x 10~7. The EMF of this cell is 1.0185 volts at ...
