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Description
The CDS 9350 Thermal Desorption system is designed for continuous real time air monitoring with a dual thermal desorption tube setup. It features a hand-held controller for system maintenance and direct communication. With the highest programmable valve temperature on the market (350°C), the 9350 can venture into applications where other systems can not perform, including VOCs, sVOCs, polar and nonpolar compounds. The two stage trapping and desorption process with Pre-desorb and Pre-heat feature eliminate the need of any Peltier cooling or liquid cryogen to improve the resolution for early eluting molecules. An optional heated sampling line is available.
Available from Alliant Scientific, an authorized CDS Analytical distributor, supplying the CDS Analytical 9350 Thermal Desorption Concentrator with full support for system configuration, installation.
Continuous Dual‑Tube Sampling
The 9350 supports continuous, uninterrupted sampling using a dual‑tube configuration, making it ideal for:
- Real‑time emissions monitoring
- Industrial hygiene and workplace exposure studies
- Time‑resolved VOC/SVOC profiling
- Continuous environmental monitoring stations
This capability dramatically increases throughput and responsiveness.
High‑Temperature Desorption & Heated Pathway
The system features:
- Sample desorb temperature up to 400°C
- Focus desorb temperature up to 400°C
- Valve oven up to 350°C
- Heated transfer line up to 350°C
These high‑temperature capabilities ensure complete analyte recovery and minimal carryover.
Low‑Thermal‑Mass Vocarb Trap
The 9350 includes a standard 1/8" low‑thermal‑mass Vocarb trap, providing rapid heating, fast desorption, and excellent retention characteristics for VOCs and SVOCs.
No Cryogen Required
The system operates without cryogenic cooling, using standard pre‑desorb technology to maintain performance while reducing operating costs and complexity.
Compact & Efficient
With a footprint of 16" × 11" × 18" and a weight of 21 kg, the 9350 is ideal for laboratories needing high‑performance TD‑GC/MS in a compact form factor.
Technical Specifications
- Programmable Times: 0–999.9 minutes
- Focus Trap: Yes — standard 1/8" Vocarb, low thermal mass
- Dynamic Range: C₂–C₃₃+
- Cryogen: Not required (pre‑desorb)
- Temperature Accuracy: 1°C
- Tube Heating Rate: 1000°C/min
- Trap Heating Rate: 900°C/min
- Valve Oven Temperature: Up to 350°C
- Transfer Line Temperature: Up to 350°C
- Sample Desorb Temperature: Up to 400°C
- Focus Desorb Temperature: Up to 400°C
- On‑Line Sampling: Continuous with dual tubes
- GC Connection: Heated transfer line
- Weight: 21 kg
- Dimensions (W × H × D): 16 in × 11 in × 18 in
Key Applications
- VOC and SVOC analysis
- Continuous emissions monitoring
- Environmental water and soil testing
- Industrial hygiene and contamination screening
- EPA‑aligned purge & trap GC/MS workflows
- Municipal and commercial environmental labs
- Time‑resolved VOC/SVOC studies
Additional information
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