CONICAL FUNNEL PYREX SINTERED GLASS 20MM DISC POR. 3 25ML Class B Borosilicate Burettes Rigid and non-porous with smooth
CONICAL FUNNEL PYREX SINTERED GLASS 20MM DISC POR. 3 25ML Class B Borosilicate Burettes Rigid and non-porous with smoothConical Funnels, Pyrex. With flat 20mm sintered glass filter disc. Porosity Gradings for Sintered Glassware Grade ISO4793 Designation Pore Size Index, m 0 P250 160 to 250 1 P160 100 to 160 2 P100 40 to 100 3 P40 16 to 40 4 P10 10 to 16
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