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Chemistry

Analytical chemistry

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  • Published Date
Displaying 1901 - 1925 of 2095

Problems and progress in the measurement of reference mass spectra

May 29, 1994
Author(s)
C L. Clifton, Anzor I. Mikaia, Stephen Stein
Compounds of interest and their availability as well as purity of the samples in the market are discussed. Difficulties in acquiring samples of common chemicals are noted. Sample preparation procedures for GC-MS analysis along with the instrumental

Classification and treatment of errors in reference mass spectra

February 27, 1994
Author(s)
Anzor I. Mikaia, S G. Lias, Stephen E. Stein
Requirements to reference spectra and criteria for mass spectrum inclusion, modification and deletion are developed as a result of evaluation of thousands of spectra and analysis of encountered errors. Errors due to a sample, device and operator, data
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