Hirsch Funnel, Microscale, Synthware, Frit OD: 10mm, Capacity above disc: 7mL, stem OD: 7mm.

These PYREX® Hirsch funnels have a 20mm or 30mm diameter and medium or coarse porosity fritted disc. These fritted disc funnels are very useful in preparative work, or in making separations where it is necessary to wash the precipitate and redissolve with chemicals which would attack filter paper.…

Includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat…