Eight sizes for two types of extractor and three sizes for a third type (nominal capacity, material, dimensions and construction).
https://www.en-standard.eu/bs-2071-1989-specification-for-soxhlet-extractors/
Eight sizes for two types of extractor and three sizes for a third type (nominal capacity, material, dimensions and construction).
https://www.en-standard.eu/bs-2071-1989-specification-for-soxhlet-extractors/