PYREX® Hirsch Funnels with 20 mm Diameter Medium Porosity Fritted Disc

Description

These PYREX® Hirsch funnels have a 20mm diameter medium porosity fritted disc with a porosity range of 10 to 15 µm. 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 that would attack filter paper. The angle of the funnel body facilitates the removal of precipitates. Porosity is controlled in manufacture, and discs are individually tested and graded into these classifications. The porosity for the pore diameter of the filter is determined in the same manner as specified in ASTM E-128 “Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use.”

  One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).

Quantity: 1/PK, 1/CS

Disc diameter: 2mm (approx.)

Height: 118mm (approx.)

Porosity: Medium

Stem Length: 75mm (approx.)

Stem Outer Diameter: 8mm (approx.)

Top I.D.: 50mm (approx.)