VWR Hirsch Funnel 55 mm Fits 13-15 mm Paper

The VWR 89038-138 Hirsch Funnel is a piece of laboratory apparatus designed for the filtration of small volumes of liquid, typically to collect a solid precipitate. This funnel has a diameter of 55 mm, a size suitable for handling moderate amounts of solid material.

A key characteristic of a Hirsch funnel is its design, which features a flat perforated base that supports a piece of filter paper. This specific funnel is designed to accommodate filter paper with a diameter ranging from 13 to 15 mm. Hirsch funnels are commonly used in chemistry laboratories for tasks such as collecting crystals from a reaction mixture or separating small amounts of solid from a liquid. 

The VWR 89038-138 Hirsch Funnel provides a convenient and effective method for small-scale vacuum filtration.