Review Article
Advanced Solid-Phase Microextraction Techniques and Related Automation: A Review of Commercially Available Technologies
Table 2
Exhaustive METs and their main features.
| | Extraction device | Name
Producer | Design characteristics | Extraction phase | GC injection port | Automation | | Area (mm2) | Volume (μL) | Sorbent |
| | Needlex
Shinwa Chem Ind. LTD | i.d. 0.5 mm-o.d. 0.7 mm-length 85 mm | 3.0 | — | Tenax- PDMS-DVB-carbopack-carboxen | Conventional (liner split/splitless) | Online
Offline |
| | ITEX
CTC Anal. AG | ITEX syringe 1300 μl | 3.0 | — | Tenax-carbopack-carbosieve-carboxen | Conventional (liner split/splitless) | Online |
|
| Sorbent Pen
Entech Inst. | 6.1 mm o.d.
Length 88.9 mm | — | 10 | Tenax-tenax/carbopack-PDMS/tenax-PDMS/tenax/carbopack-carboxen-carbopack-PDMS/tenax-tenax/carbopack | SPDU-5800 | Online
Offline |
| | MEPS
SGE Anal. Sci. | Syringe 100–250 μL removable needle | <1.0 | — | C18–C2-silica-C8-C8/SCX-SAX | Conventional (liner split/splitless) | Online
Offline |
| | μSPEed
ePREP | Length <1 cm, 3 μm sorbent particle size | <1.0 | — | C18-WAX-PFAS-PS/DVB-silica-PS/DVB/Phenyl-SAX_PS/DVB-SCX_PS/DVB-cxyl | Conventional (liner split/splitless) | Online |
|
|
i.d.: internal diameter; o.d.: outer diameter; PDMS: polydimethylsiloxane; DVB: divinylbenzene; AC: activated carbon; PEG: polyethylene glycol; PS: polystyrene; SCX: strong cation exchange; SAX: strong anion exchange; WAX: weak anion exchange; SPDU: sorbent pen desorption unit.
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