59 research outputs found
COMPUTER-CONTROLLED GAS CHROMATOGRAPH CAPABLE OF ''REAL-TIME'' READOUT OF HIGH-PRECISION DATA.
Get PDFA gas chromatograph has been assembled which provides computer control of sample injection, column temperature, and flow rate, plus direct computer readout of inlet pressure, mass flow rate, and detector response. Data processing yields, in real-time, a standard deviation of less than 0.05% in retention time, which is comparable to previous results obtained using an off-line computer. However, corrected retention volumes determined in real-time had a standard deviation of about 0.4% which reflected primarily the uncertainty in flow measurement
Specification of gas-chromatographic behavior using Kovats indices and Rohrschneider constants
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Kurzo Originalmitteilungen Zur Verwendung von Molekularsieb als Adsorbens für Nebenprodukte bei der 15
No full textContribution to the theory of non-ideal separation processes using a one-dimensional model of separation column
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Approximate solution of problems of adsorption dynamics for a batch consisting of a mixture of grains of various sizes or various adsorbents
No full textCalculation of the mass-transfer coefficients by means of a more exact theory of gas-solid chromatography. I. Comparison of columns charged with glass spheres and materials of high internal porosity
No full textCalculation of the mass transfer coefficients by means of a more exact theory of gas-solid chromatography. II. Variance and asymmetry of the chromatographic curves in the system carbon dioxide-activated charcoal
No full textInvestigation of the dynamics of the adsorption of benzene by activated charcoals with various porous structures and grain sizes
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