Chromatograph

Details Chromatograph Chromatograph

1998-02-09

2000-08-22

Warden, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 89, 73 2336, 73 6152, 96103, 700266, 702 30, 702 31, 702 32, G01N 3000, G06F 1300, B01D 1508

Patent

active

061067822

ABSTRACT:
A chromatograph is provided for accurately identifying components of a sample even with the use of a moving average method for noise reduction. A eluding solution is supplied to a column by a pump. In a sample injector, the sample injected into the column is separated into components by the column, and converted to an electric signal by a detector. A detected output signal is subjected to data processing in a data processor. The output signal is sampled at regular intervals and subjected to moving average processing in the detector. A sample injection signal from the sample injector is sent to the detector which generates a data processing start signal that is delayed by a time equal to a delay resulting from the moving average processing for the signal. The data processing start signal is sent to the data processor which starts the data processing in response to this signal.

REFERENCES:
patent: 5068818 (1991-11-01), Uramoto et al.
patent: 5278630 (1994-01-01), Maruyama

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