Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1997-03-14
2000-03-28
Ludlow, Jan
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 88, 422100, 73 2341, 73864, 7386481, 95 87, 95 89, 96105, G01N 3004, G01N 3016
Patent
active
060427876
ABSTRACT:
A device for carrying out solid phase microextraction is a tubular member having one closed end and one open end with an extracting surface within said tubular member. The extracting surface can be an extracting phase coating extending over a zone within the tubular member. The tubular member has a heater that can be used for either or both drawing fluid carrier into the tubular member or assisting in desorbing analytes into an injector of an analysis instrument. The tubular member can also be mounted in a housing with an airtight cavity and a plunger. A method of operation of the device is also provided. Previously, samples were analyzed using liquid-liquid extraction or using cartridges. Both of these methods are relatively expensive and time consuming. Both of these methods also require the use of solvents which can be difficult and expensive to dispose of.
REFERENCES:
patent: 5700695 (1997-12-01), Yassinzadeh et al.
patent: 5744095 (1998-04-01), Smith
Ludlow Jan
Schurr Daryl W.
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