| 1. |
Cell Design and Simple Galvanostat for Liquid/Liquid Electrolyte Transport Studies |
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Instrumentation Science & Technology,
Volume 12,
Issue 2,
1982,
Page 77-91
Owen R. Melroy,
William E. Bronner,
Richard P. Buck,
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摘要:
A low-cost, low-noise four-electrode galvanostat and three compartment cell for chronopotentiometric study of ion transport at liquid/liquid interfaces are presented. The cell eliminates liquid junctions and accompanying ion contamination. The galvanostat is a minimum design for 20 ma at 500 Ω load.
ISSN:1073-9149
DOI:10.1080/10739148208543548
出版商:Taylor & Francis Group
年代:1982
数据来源: Taylor
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| 2. |
Infrared Detector for Continous Monitoring of Water Vapor |
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Instrumentation Science & Technology,
Volume 12,
Issue 2,
1982,
Page 93-102
David Nandelbaura,
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PDF (232KB)
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摘要:
An infrared detection system, its performance and use in continuous monitoring of water vapor is described. This system can be eventually adapted for monitoring gases produced during direct reduction of iron ore.
ISSN:1073-9149
DOI:10.1080/10739148208543549
出版商:Taylor & Francis Group
年代:1982
数据来源: Taylor
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| 3. |
An Inexpensive Triangular Waveform Generator with Electronic Switching |
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Instrumentation Science & Technology,
Volume 12,
Issue 2,
1982,
Page 103-111
Kenneth W. Pratt,
Dennis C. Johnson,
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PDF (288KB)
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摘要:
A triangular waveform generator is described which can be used for cyclic voltamraetry at moderate scan rates (<20V min-1). The circuit is based on three operational amplifiers and employs electronic switching in place of mechanical switching at the voltage scan limits. The circuit features independent control of the positive and negative scan limits, the facility for manual reversal of scan direction, and automatic termination of the voltage scan at either scan limit.
ISSN:1073-9149
DOI:10.1080/10739148208543550
出版商:Taylor & Francis Group
年代:1982
数据来源: Taylor
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| 4. |
Solid State Logarithmic Amplifier for the DU Spectrophotometer |
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Instrumentation Science & Technology,
Volume 12,
Issue 2,
1982,
Page 113-124
C. L. Craney,
H. Krakauer,
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PDF (285KB)
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摘要:
A solid state modification of a DU Spectrophotometer is described. The system is stable, durable, accurate and relatively inexpensive to construct.
ISSN:1073-9149
DOI:10.1080/10739148208543551
出版商:Taylor & Francis Group
年代:1982
数据来源: Taylor
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| 5. |
Application of Nonlinear Regression Analysis to the use of Enzymes in The Determination of Substrate Concentrations |
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Instrumentation Science & Technology,
Volume 12,
Issue 2,
1982,
Page 125-134
Collis R. Geren,
Francis S. Millett,
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PDF (271KB)
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摘要:
A modified nonlinear regression analysis program (originally reported by R.G. Duggleby (1981) Anal. Biochem. 110, 9–18) in BASIC for microcomputers and a modified spectrophotometer are described. Their application in the routine determination of concentrations of certain substances by the use of specific enzymes is detailed. Results are given that show the utility of the system for glucose determination by the hexokinase reaction, and its lack of utility for lactate determination using lactate dehydrogenase.
ISSN:1073-9149
DOI:10.1080/10739148208543552
出版商:Taylor & Francis Group
年代:1982
数据来源: Taylor
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