An Analytical Method for Mass Spectrometer Leak Detection PDF Download
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Author: Claude R. Winkelman
Publisher:
ISBN:
Category : Leak detectors
Languages : en
Pages : 14
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Book Description
A method is presented for using a mass spectrometer leak detector analytically for large systems. The method consists of calibrating the mass spectrometer, measuring the response time of the system being checked for leaks, and then utilizing these results in the system tests. The method has been used to measure leaks in two large (360 and 600 liters) heat exchangers of complex internal geometry. The response times of these vessels were 18 and 24 min, respectively, and the minimum detectable leak was about 4.6 x 10−10 std-cc/sec for each vessel.
Author: Claude R. Winkelman
Publisher:
ISBN:
Category : Leak detectors
Languages : en
Pages : 14
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Book Description
A method is presented for using a mass spectrometer leak detector analytically for large systems. The method consists of calibrating the mass spectrometer, measuring the response time of the system being checked for leaks, and then utilizing these results in the system tests. The method has been used to measure leaks in two large (360 and 600 liters) heat exchangers of complex internal geometry. The response times of these vessels were 18 and 24 min, respectively, and the minimum detectable leak was about 4.6 x 10−10 std-cc/sec for each vessel.
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 318
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Book Description
Author: John V. Crable
Publisher:
ISBN:
Category : Chemistry, Analytic
Languages : en
Pages : 820
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1134
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Author:
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 516
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Book Description
Author: J. D. Waldron
Publisher: Elsevier
ISBN: 1483184412
Category : Science
Languages : en
Pages : 721
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Book Description
Advances in Mass Spectrometry documents the proceedings of a Joint Conference on Mass Spectrometry held at the University of London, Great Britain on September 24-26, 1958. This compilation reviews the instruments, techniques, applications, and major developments in mass spectrometry over the past years. The topics discussed include the performance and image error correction of the new stigmatic focusing mass spectrograph; correction of second order aberrations in inhomogeneous magnetic sector fields; and high sensitivity solid source mass spectrometry. The isotope dilution analysis; digitization of mass spectra; ionization potentials of alkyl and halogenated alkyl free radicals; and negative ion formation and electric breakdown in some halogenated gases are also elaborated. This book likewise covers the mass spectrometer as a geological instrument and absorption and desorption of gases in the ionized state on metal and glass surfaces. This publication is a useful reference to students and researchers conducting work on mass spectrometry.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 280
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Book Description
Author: United States. National Bureau of Standards. Technical Information and Publications Division
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 854
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 844
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Book Description
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 844
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Book Description
