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cryfoc

3550A Cryogenic Concentration System

The Automated Andersen Instruments Nutech 3550A Cryogenic Concentration System interfaces with all leading GC/MS systems to provide a fully integrated air toxic analysis solution. The System has provided proven reliability, detectability and reproduciblity in identifying and quantifying VOCs in air at sub-part per billion levels. Incomparable time-saving and sensitivity-enhancing features dramatically increase productivity, reduce analysis time and improve upon Method Detection Limits. Sample throughout can be increased as much as 100% over other products on the market.

Unique performance advantages include reproducible polar VOC recovery and Ozone Precursor Analysis as well as successful CO2 and water management. These analytical challenges are routinely achieved with precise temperature and sample volume controls monitored by the 3550A on-board microprocessor. The entire analytical system operates under single-point, integrated Windows software control, and is compatible with most leading data systems.

The model 3550A incorporates the TO-14 Cryotrapping techniques developed for the EPA by Andersen Instruments Nutech. It is designed for maximum sample volume with or without the sample dryer. Included in the system is the DOS based PC software that can be used by any IBM compatible PC (286 minimum) with a serial communications port. The Model 3550A does not require full time PC control.

Features:

Unique 3-valve system allows random dequencing of source level and ambient air samples via independent pathways
Multi-method capability and sequencing
Fixed sample loop for landfill and other high level samples
Internal standard acculoop ensures precise calibration and excellent RSD's
DynaPurge continuous purge of system flow paths increases throughput by eliminating sample carryover and contamination
All parameters checked and updated at a rate of 10 times per second to maintain system quality control
QA/QC report is available on-line or can be integrated into the final analytical report

The 354A Cryofocusing Accessory

Mounts on GC to refocus sample at head of column.
Improves chromatographic sepatation and enhances sensitivity.
Reduces analysis time and increases productivity.