Method of estimating property and/or composition data of a test

Details Method of estimating property and/or composition data of a test Method of estimating property and/or composition data of a test

1994-09-02

1995-08-29

Ramirez, Ellis B.

Boots, shoes, and leggings

36457101, 36457104, 364498, G06F 1520

Patent

active

054466814

ABSTRACT:
A method of operating a spectrometer to determine property and/or composition data of a sample comprises an on-line spectral measurement of the sample using a computer controlled spectrometer, statistical analysis of the sample data based upon a statistical model using sample calibration data, and automatically identifying a sample if necessary based upon statistical and expert system (rule-based) criteria. Sample collection based upon statistical criteria consists of performing a statistical or rule-based check against the model to identify measurement data which are indicative of chemical species not in the samples already stored in the model. Samples identified either by a statistical criteria or using an expert system (rule-based decisions) are used preferably to isolate the liquid sample using a computer controlled automatic sampling system. The samples can be saved for subsequent laboratory analysis in removable sample containers. The results of the laboratory analysis together with the on-line spectroscopic measurements are preferably used to update the model being used for the analysis.

REFERENCES:
patent: 4864842 (1989-09-01), Regimand
patent: 4866644 (1989-09-01), Shenk et al.
patent: 4959796 (1990-09-01), Hidaka et al.
patent: 5121337 (1992-06-01), Brown
patent: 5243546 (1993-09-01), Maggard

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