Apparatus for integrating sampling and in-line sample splitting

Details Apparatus for integrating sampling and in-line sample splitting Apparatus for integrating sampling and in-line sample splitting

1989-10-13

1990-08-07

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

7386345, 7386356, 7386358, G01N 102

Patent

active

049466500

ABSTRACT:
From a product main flow a sub-flow is withdrawn and from said sub-flow an analysis sample to be analyzed and a remainder obtained by sample splitting. To provide a method and an apparatus for time and space representative sampling and sample splitting to a small analysis sample flow suitable for a following on-line sample analysis the invention provides that sampling and sample splitting are carried out in-line continuously in immediate succession and with the sampling a representative sub-sample flow of up to 1/100 of the product main flow is withdrawn with a sampler head which is arranged rotatably drivably at the inlet of a sampling pipe and the sampling opening of which is at least one circle sector which is rotatable with its tip about the center axis of the product flow transport conduit. The sub-sample flow is continuously split immediately thereafter with a sample splitter by up to three powers of ten. The individual samples produced in the sample splitting are combined individually or in sampling manner with a concentrator such that the subsequent analysis can be carried out immediately on-line without appreciable delaying intermediate storage. Various embodiments of the sampler and sample splitter are explained.

REFERENCES:
patent: 1646032 (1927-10-01), Mason
patent: 2076188 (1937-04-01), Thorsten
patent: 2547794 (1951-04-01), Stone
patent: 3690179 (1972-09-01), Olson
patent: 3716167 (1973-02-01), Huntington
patent: 3747622 (1973-07-01), Reinhall
patent: 3783695 (1974-01-01), Grothe et al.
patent: 4170900 (1979-10-01), Ozawa

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