Headspace-sampling apparatus

Details Headspace-sampling apparatus Headspace-sampling apparatus

1980-09-26

1982-09-28

Smith, William F.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

7386483, 7386484, G01N 122

Patent

active

043518028

ABSTRACT:
In a headspace-sampling apparatus and method, use is made of a sampling body which defines a sample chamber, first passage means extending from said chamber, means for connecting said passage means to the entry end of a chromatography column held in operative position in a gas chromatograph, second passage means extending to said chamber, and means for connecting a source of gas to said second passage means. When the first-named connection means is connected to the column, a gas flow can be established within the body from the second named connection means through the said chamber to the entry end of the column, whereby a headspace sample of said substance is swept directly from said chamber on to an entry end region of said column, the headspace sample being cumulatively trapped at said region.

REFERENCES:
patent: 3421857 (1969-01-01), Reichle et al.
patent: 3730002 (1973-05-01), Penton
patent: 3985016 (1976-10-01), Haruki
patent: 4004881 (1977-01-01), Ligon
patent: 4096734 (1918-06-01), Khayat
patent: 4133640 (1979-01-01), Clinton et al.
patent: 4185500 (1980-01-01), Boser
patent: 4226119 (1980-10-01), Boser

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