blade format

https://doi.org/10.1351/goldbook.10263

Solid-phase microextraction device where the extraction phase (sorbent) is dispersed in the form of a thin coating on the surface of a blade.

Note: This technique is typically used as a 96-blade brush in conjunction with a multiwell sample plate.

Source:
PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 546 (https://doi.org/10.1515/pac-2015-0903)