Shimadzu cGBS-2030 Automated Gas Bag Sampler
| Brand | Shimadzu |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | cGBS-2030 |
| Instrument Type | Gas Chromatography (GC) Gas Bag Autosampler |
| Maximum Sample Capacity | 12 positions |
Overview
The Shimadzu cGBS-2030 Automated Gas Bag Sampler is a dedicated, benchtop gas-phase autosampling system engineered for precise, reproducible introduction of gaseous samples stored in flexible gas sampling bags (e.g., Tedlar®, Flex-Foam®, or aluminum-laminated bags) into Shimadzu gas chromatographs (GCs) and GC–mass spectrometers (GC–MS). Unlike syringe-based or loop-injection methods, the cGBS-2030 employs a pressure-controlled, inert-gas-assisted purge-and-fill mechanism to transfer representative aliquots from each bag without contamination, adsorption loss, or atmospheric dilution. Its design adheres to fundamental principles of quantitative gas-phase sampling—ensuring volumetric accuracy via calibrated flow control, minimizing memory effects through high-purity PTFE/SS fluidic pathways, and maintaining sample integrity across temperature-sensitive analytes (e.g., VOCs, BTEX, sulfur compounds, and greenhouse gases). The system integrates seamlessly with Shimadzu GC platforms—including the GC-2010 Pro, GC-2030, and GCMS-QP2020 NX—via standard RS-232 or Ethernet communication protocols, enabling synchronized sequence execution and status feedback.
Key Features
- 12-position rotary carousel accommodating standard 1–10 L gas sampling bags with integrated bag clamps and leak-tight sealing interfaces
- Programmable purge volume (0.5–5.0 L), fill volume (1–100 mL), and purge/fill cycle count per sample—adjustable to optimize recovery of trace analytes and minimize breakthrough
- Integrated zero-air or nitrogen supply management with dual-stage filtration (particulate + hydrocarbon scrubber) to ensure carrier and purge gas purity
- Onboard pressure sensor and flow controller (±1% full scale) for real-time monitoring of bag headspace pressure and transfer flow rate
- Modular, compact footprint (W350 × D480 × H320 mm) designed for lab bench integration without requiring external gas cabinets or vacuum pumps
- Robust architecture with electropolished stainless steel manifolds and PTFE-coated solenoid valves rated for >500,000 cycles
Sample Compatibility & Compliance
The cGBS-2030 supports gas matrices compliant with EPA Method TO-14A, TO-15, ASTM D5502, and ISO 16017-1 for ambient air, stack emissions, landfill gas, and refinery process streams. It accommodates bags pre-conditioned per ASTM D6196 requirements and maintains compatibility with internal standard addition protocols (e.g., deuterated surrogates). All wetted materials meet USP Class VI biocompatibility standards and are certified non-reactive toward acidic (H₂S, SO₂), basic (NH₃), and halogenated compounds. System validation documentation—including installation qualification (IQ), operational qualification (OQ), and performance verification reports—can be generated to support GLP and ISO/IEC 17025 laboratory accreditation. Audit trails for method parameters, run logs, and error events are timestamped and exportable in CSV format for regulatory review.
Software & Data Management
Controlled via Shimadzu LabSolutions GC software (v5.9 or later), the cGBS-2030 operates within the same sequence editor used for GC method development. Users define bag-specific parameters—including retention time windows, purge duration, and valve timing—directly in the sample table. The software enforces electronic signatures, user-level access control (administrator/operator modes), and automatic backup of method files and audit logs. All raw data—including pressure transients, valve actuation timestamps, and sequence completion status—is embedded in the GC data file (.qgd) and retrievable during reprocessing. Optional integration with LIMS via ASTM E1384-compliant HL7 messaging enables automated sample registration and result routing.
Applications
- Environmental monitoring: Quantification of C₂–C₁₂ hydrocarbons, chlorofluorocarbons (CFCs), and volatile organic compounds (VOCs) in ambient air and soil vapor extraction (SVE) effluents
- Petrochemical QA/QC: Routine analysis of refinery off-gas composition, catalyst bed effluents, and flare gas compliance testing per EPA 40 CFR Part 60 Subpart Ja
- Industrial hygiene: Workplace exposure assessment for benzene, formaldehyde, and acetaldehyde using NIOSH/OSHA-specified bag sampling protocols
- Research laboratories: Method development for dynamic headspace sampling, gas standard preparation, and multi-point calibration curve generation
FAQ
Does the cGBS-2030 require external vacuum or compressed air sources?
No—it includes an integrated diaphragm pump and pressure-regulated gas supply module; only electrical power and optional external zero-air/N₂ cylinder connection are needed.
Can it be used with non-Shimadzu GC systems?
Yes, via TTL trigger output and analog voltage input for start/stop synchronization; however, full software integration and method parameter transfer are optimized for Shimadzu GC platforms.
What maintenance intervals are recommended for routine operation?
Valve manifold cleaning every 200 runs; filter replacement every 6 months or after 1,000 L total purge gas consumption; annual calibration of pressure and flow sensors using NIST-traceable references.
Is the system compliant with FDA 21 CFR Part 11 requirements?
When operated with LabSolutions GC v5.9+ and configured with electronic signature policies, audit trail logging, and role-based access control, it meets core technical controls for Part 11 compliance in regulated environments.
