Product Description

70-sample tray and 12 positions
Automated constant heating
Controlled T from 40°C to 240°C
A ‘concentration mode’ for multiple extractions from a vial
Built-in key pad control enables compatibility with all GCs

The Agilent G1888 Network Headspace Sampler

GMI offers fully refurbished to specification Agilent model G1888 network headspace autosamplers and currently has stock. The are Re-Certified to specification, and ship with a full warranty. Installations are available upon request.

Headspace sampling allows you to introduce volatile compounds automatically, from virtually any sample matrix, directly into a GC or GC/MS. The Agilent G1888 Network Headspace Sampler features an inert sample to minimize analyte degradation or loss. Its high sample capacity and increased sensitivity provide excellent performance over a wide range of analyses.

Features

70-sample tray and 12 positions in the heating oven allow unattended overnight operation.
Automated overlapping for maximum sample throughput in the minimum amount of time.
Coupling with an inert 7890A or 6890N Volatiles Interface achieves system inertness.
Controlled temperature range makes it possible to analyze semi-volatiles at temperatures over 200 degrees C, as well as traditional applications for low boiling point analytes.
Heated zones can be turned off, which allows analyses at ambient conditions for biological or extremely thermally sensitive analytes.
Multi-puncture extraction with up to 100 extractions per vial is possible.
A ‘concentration mode’ of MHE allows multiple extractions from a vial to be made, followed by the start of the GC run after the last extraction.
Includes several convenient testing and troubleshooting features, including a set of four pre-stored chemical test methods, a semi-automated leak test, and a detailed power-on self-test.
Instrument control is integrated with drop-down menus for ease of method setup. The existing sequence table is used to set up analyses, maintaining optimized sample overlap and constant heating time.
An event log function tracks every headspace sampler operation and reports any temperature and pressure deviation compared to the set point in compliance with 21 CFR Part 11
Built-in key pad control enables COMPATIBILITY WITH ALL GCs

Rentals or Lease? No problem. GMI offers all financing options!

Technical Specifications

Sample Capacity	Holds 70 vials in tray. Twelve position oven for optimized sample overlapping constant time heating
Mode of Operation	Shaking with choice of off, low, or high. Constant heating time (CHT) mode for each sample. Overlapping up to 12 vials for maximized sample throughput Multiple headspace extraction (MHE) mode with up to 100 extractions per vial for method development and validation or for analysis of sample in unusual matrices Multiple headspace extraction concentration (MHC) mode, with up to 10 extractions from 1 vial made followed by one GC start after the last extraction to increase sensitivity
Zone Temperature	All temperature zones can be set off Oven heating: 40 °C to 230 °C in 1 °C increments; 0.5–999 min in 0.1 min increments Loop/Valve: 45 °C to 250 °C Transfer line: 50 °C to 250 °C
Pneumatic Control	In-unit switch connection between: Built-in manual pneumatics (pressure regulator and flow controller) and GC built-in electronic pneumatic control (EPC)
Interfacing with GC	Volatile inlet (VI) or other standard GC inlet
Sample Vials	Standard crimp top or screw cap vials, 20 mL, 10 mL. No adaptor required for 10-mL sample vials.

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