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Use of a PDP-12 computer for an on-line analysis of TC-chromatograms by a scanning system. 1977

G Seibold, and A Lau

A software system, Chromscan, has been developed on a PDP-12 computer for quantitative analysis of TC-chromatograms and correlated problems in an on-line scanning system. The program controls a one- or two-dimensional scanning process of either a microscope stage or a modified TC-chromatogram photometer (Zeiss) storing the data on tape. The results can be obtained directly or in an off-line calculation by different Focal-12 programs. For spot evaluations a two-dimensional scan is performed with an aperture. The area of spots is measured and the integrated values of absorbed or remitted light represent the amount of separated substances. For line-scans slits are used. The pherogram is displayed on the scope to keep for baseline corrections peak-integration and some other handling under operators control.

UI MeSH Term Description Entries
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D009862 Online Systems Computer-based Information systems having real-time remote access to information or processes. On-Line Systems,On Line Systems,On-Line System,Online System,System, On-Line,System, Online,Systems, On-Line,Systems, Online
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D003201 Computers Programmable electronic devices designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Calculators, Programmable,Computer Hardware,Computers, Digital,Hardware, Computer,Calculator, Programmable,Computer,Computer, Digital,Digital Computer,Digital Computers,Programmable Calculator,Programmable Calculators

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