Used in conjunction with a QMA1: or QMA2: multiple adapter, this cold finger forms a simple type of stillhead to regulate reflux by water or air flow. Suitable for fractionations not requiring strict control of the reflux ratio. With screwthread outlets and supplied with polypropylene safety tubing connectors.
A general purpose trap which can function as a cold trap by immersing it in a Dewar flask or similar vessel containing refrigerant. The unit may also be used as an absorption trap during Kjeldahl digestions.
