Funnels

Dispensing funnel for powdered substances. With cone NS 29/32, NS 29/32 socket, NS 14,5/23 side socket.

This filter funnel, which is designed for normal and low pressure, is made of PTFE and PFA, making it resistant to almost all chemicals. It does not leave any trace elements in the medium to be filtered. The vacuum connection is a multi-stepped tubing ferrule with sealing screw, adjustable to suit the most common vacuum tubing bores (6 and 8 mm). The NS 29/32 socket provides a perfectly tight seal onto a similarly socketed, round-bottom flask made of PTFE, PFA or glass (please note vacuum compatibility). Supplied without membrane filter. Suitable for 47 mm diameter membranes, filter area 13.8 cm², sample funnel volume: 125 ml.

Adjustable height 140 to 230 mm. Inner diameter upper ring: 45 mm. Outer diameter bottom ring: 126 mm.

The sterile plastic funnels with 47 mm diameter allow quick performance of the filtrations required in the routine testing of water, food and beverages, pharmaceutical and cosmetic products. A Sartorius Stedim Biotech gridded membrane is placed on a stainless steel filter support and a Microsart^® Funnel is simply and practically fitted on and the sample is filtered by vacuum.

• Click-Fit closure for optimum sealing
• Graduation with markings for exact volume dosing

Rubber Spacers, made of natural rubber (NR). Conical, to fit filter funnels or crucibles into suction flasks. Durometer 40 Shore A

Straight tube outlet.

Borosilicate glass with acrylic support plate for filter paper. Can be dismantled quickly for cleaning. Dimension given is the filter paper size required.

• funnel volume 60 ml
• for filter 25 mm diameter

Funnels with smooth surfaces and short stem. 60° angle. DIN 12445.

Designed specifically for analytical chemistry. Each size takes a standard size filter paper. Body of funnel is exactly 60° angle. Provided with external and internal ribs. Autoclavable. Food-safe.