EuroChrom 2000 for Windows Basic Edition version 2.05

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W 0.5 = The width of the component peak at 50 % peak height. W p0.5 = The width of the previous component peak at 50 % peak height. Japanese Pharmacopoeia (JP) calculation Theoretical Plates Where N = 5. 55 � t × � �W 0. 5 � � � 2 N = Theoretical plates t = The retention time of the component W0.5 = Width of peak at the position of 50% peak height Peak Asymmetry (Tailing Factor) T W005 . = 2f Where T = Peak asymmetry, or tailing factor W0.05 = The distance from the leading edge to the tailing edge of the peak, measured at a point 5% of the peak height from the baseline f = The distance from the peak maximum to the leading edge of the peak at the position of 5% peak height Resolution ( t R = 1. 18× W Where 2 − 1) 0. 5 + t W p 05 R = Resolution between a peak of interest (peak 2) and the peak preceding it (peak 1). t2 = The retention time measured from point of injection of peak 2. t 1 = The retention time measured from point of injection of peak 1. W 0.5 = The width of the component peak at 50 % peak height. W p0.5 = The width of the previous component peak at 50 % peak height. 12. Database viewer: new status information, „Put into directory“- and „Copy with links“- options The number of different objects stored in a current sub-directory of a database as well as the number of selected objects is shown on a Status bar of a database viewer. A possibility to copy a set of linked objects without breaking the links is implemented. There are two modes: copy all linked objects (if someone copies one chromatogram which is linked to a method and the method is linked to more chromatograms, all the chromatograms will be copied); stop at method (other chromatograms linked to the method will not be copied). Contrary to Copy/Move operations, the option PUT into DIRECTORY does not perform any physical movements of the chosen data. It modifies a structure of internal informational links in a way that the objects are visible in a selected sub-directory. The option is especially helpful for re-organization of large customer databases.
13. „Locate“ function for every object: jump into a corresponding sub-directory in a database The function „Locate“ is available for every object and accessible from menu FILE/LOCATE of a corresponding window. It allows to jump into the sub-directory of a database where the object is stored even if the database is already closed. If there is no opened database viewers at the moment, the function activates new one. 14. „Find object“ function: Search for an object of all possible types by name with wildcards (‘*’ and/or ‘?’ symbols), case sensitive/insensitive, pre-search by date, search in all registered databases, current database or current directory, option „look in sub-directory“ is supported. The function is accessible from a Database Viewer window menu BASE/FIND OBJECT. 15. Tracing LogBooks The EuroChrom 2000 v.2.05 software supports multiple log books. Contrary to previous versions of the software supporting only one HISTORY file, the current version creates a new history file (log book) every time it starts a new working session. The log book is stored into a subdirectory HISTORY/MM- DD-YY (the date of start of a working session) in the working directory of the EuroChrom software. The possibilities to open one of the previous log books (the EuroChrom main menu OPTIONS/SHOW LOGBOOK) or the current log book (OPTIONS/SHOW CURRENT HISTORY) are supported. 16. Validation utility with report printing possibility A new feature - a possibility to validate all vitally important files with following report printing is supported now. The following parameters are checked by the validation program: size, time, date, check sum. A copy of the validation result is stored also in an ASCII data file in the EuroChrom working directory. 17. Support of multiple HPLC systems under Windows NT The EuroChrom 2000 v.2.05 software allows to run several HPLC systems from one PC. A special ECW2000 Multiple utility is required to organize a PC environment for multi-System operation. Please call KNAUER customer support for the details. 18. Installation of the Diode Array Detector (ISA and PCI Interface cards) The EuroChrom 2000 v.2.05 software supports the K-2700 Diode Array Detector (PhotoDiode Array) with two possible interface cards: for ISA bus and PCI bus. If you install the K-2700 Diode Array Detector support you have to chose the appropriate interface card type:
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Page 7 and 8: Injection Unretained Peak t a Time
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EuroChrom 2000 for Windows Basic Edition version 2.05

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