A baffle divides a housing into first and second compartments. The first compartment includes a chromatography oven having a fan for circulating heated air over the columns while the oven is closed and for sucking ambient temperature cooling air in the first compartment into the oven while the oven is...http://www.google.es/patents/US4599169?utm_source=gb-gplus-sharePatente US4599169 - Heating and cooling apparatus for chromatography column
Heating and cooling apparatus for chromatography column
