Sample introduction valve for spectrometers with shuttle valve

Details Sample introduction valve for spectrometers with shuttle valve Sample introduction valve for spectrometers with shuttle valve

1991-06-10

1994-05-24

Williams, Hezron E.

Measuring and testing

Sampler, sample handling, etc.

Analyzer supplier

13762548, 137240, G01N 3500

Patent

active

053138465

ABSTRACT:
A sample introduction valve for spectrometers for selectively directing sample flow from two or more sources in which a slideably mounted shuttle provides in one position a pass through for one source and a by-pass for the other source and in a second position the opposite result.

REFERENCES:
patent: 4683914 (1987-08-01), Brisland
patent: 4877057 (1989-10-01), Christensen
patent: 4877058 (1989-10-01), Stoll
patent: 4955100 (1990-09-01), Bersch

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