High Quality Speciation Sampling...
The Partisol Model 2300 Sequential Speciation Sampler is a flexible sampling platform for characterizing the particles and/or gases contained in ambient air. PM-2.5 and PM-10 inlets provide the user with the ability to sample two size fractions simultaneously. The device contains the same user interface and is built upon the same hardware platform as the popular Partisol Model 2025 Sequential Air Sampler.
The Partisol Model 2300 Sequential Speciation Sampler was conceived from the ground up as a sequential sampling platform. Both the 4- and 12-channel versions of the device provide sequential sampling capabilities. Four-channel samplers can be upgraded at a later date to the 12-channel configuration should a user's needs change.
ChemComb Cartridges
Using ChemComb Speciation Sampling Cartridges developed and characterized by the Harvard School of Public Health, the sampler is designed to meet the USEPA PM-2.5 chemical speciation sampling requirements. The sampling cartridges contain can contain up to 2 honeycomb denuders for collecting or stripping gases from the sample stream selectively, followed by a four-stage filter pack for 47 mm diameter filters.
USEPA has contracted with Research Triangle Institute of Research Triangle Park, North Carolina, for the handling and analysis of ChemComb Cartridges.
The modularity of the ChemComb Cartridge helps to maintain the integrity of field samples. All sampling components can be assembed in the laboratory and enclosed in the module's container. This eliminates the risks inherent in the in-field assembly of sampling components. A small, rugged form factor permits easy transport of shipment of ChemComb Cartridges in their assembed form between the laboratory and the air sampling site. The cartridges install easly and quickly into the Partisol Speciation Sampler.
Both the 4- and 12-channel configurations of the sampler contain four flow independent mass flow controllers. These provide Activol flow control by using information from ambient temperature and pressure sensors to maintain a constant volumetric flow rate. Flow rates are generally maintained at either 10 or 16.7 l/min, with a user-selectable range of 5 to 18 l/min. The device reports sampled volumes in either standard or volumetric terms.
Built-in software support provides straightforward flow audits using the innovative Streamline FTS Flow Transfer Standard, as well as leak checks using a leak check plug. Leak check plugs are available for insertion in the input ports of the Partisol Speciation Sampler, as well as for PM-2.5 ChemComb Cartridges configured with a greased inlet (shown below).
The user can group flow channels in sets of 1, 2, 3 or 4. The 12-channel configuration supports 3 groups of 4, 3 groups of 3, 6 groups of 2, or 12 groups of 1. The sampling program of these groups can be based upon a number of factors, such as time/date, wind speed, wind direction, and/or the values of three user-defined analog inputs.
Up to four flow channels can be operated simultaneously. The sampler activates one group of channels at a time. Operating four channels concurrently allows for the sampling of mass, elements, EC/OC, nitrate, sulfate, ammonia and/or other species to occur concurrently. PM-2.5 channels can also be operated at the same time as channels configured for PM-10.
The third major configuration of the Partisol Speciation Sampler is called the Flexible Sampling Platform. In this case, the sampler does not contain the upper support structure for housing ChemComb Cartridges. Rather, it contains 12 flow channels that exit the enclosure as barbed hose fittings. This allows users to attach a selection of ambient air sampling equipment designed for flow rates between 5 and 18 l/min. The standard features of the sampler allow for the same flow control, conditional sampling and data handling as the two ChemComb-based versions of the sampler
1 Items Total 995.00 USD 
