Borosilicate Glass Soxhlet Extractor Joint Size:34/35/55/44 Class-pack of economy handheld spectroscopes

Class-pack of economy handheld spectroscopes fitted with a rotating slit cap and internal diffraction grating for identifying constituent wavelengths in visible light sources

and upper airway structures in two interlocking parts for combined anatomy teaching

Binocular stereo microscope features dual magnification and switchable top/bottom illumination for versatile dissection

Matte-black metal body 20mm in internal diameter and 22mm deep on a bench rod

and population data in lab and field work

Borosilicate Glass Soxhlet Extractor Joint Size:34/35/55/44 Class-pack of economy handheld spectroscopesPerforms continuous solvent extraction of soluble compounds from solid samples by repeatedly cycling warm solvent through a thimble chamber into a boiling flask.