DURAN® Dropping Funnel, 250 mL

  • Manufactured from 3.3 expansion borosilicate glass
  • Complies with DIN ISO 4800 Type 4
  • Easy-to-read double graduated scale shows approximate volume contained in the funnel or dispensed from the funnel
  • With solid glass stopcock key and plastic retaining device
  • Fired-on, highly durable white print
  • Tight neck closure due to standard ground joint
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Product Overview
These dropping cylinders are ideal for the measured addition of solutions, reagents and/or chemicals to a reaction mixture. The double graduated scale shows the approximate volume of liquid contained in the funnel or the volume dispensed from the funnel.

Specifications

Specifications
Boro 3.3 Borosilicate glass 3.3 has a very good chemical resistance, virtual inert behavior, a high maximum usage temperature, high light transparency and minimal thermal expansion. Borosilicate glass 3.3 has a linear coefficient of expansion of 3.3 × 10−6 K−1 at 20 °C. It also conforms to the requirements of a USP/EP/JP Type 1 neutral glass suitable for use by the pharmaceutical industry. The properties of DURAN® are specified to ISO 3585 and ASTM-E438 Type 1 Class A.
Diameter d (mm) 10
h (mm) 381
Capacity (mL) 250
Diameter (mm) 10
Key Bore Diameter (mm) 4
Stem OD (mm) 10
Socket Size 29/32
Material PP, BORO 3.3
Height (mm) 381
Graduation Range (mL) 5
Autoclavable Yes
Quantity 1
Product Overview
These dropping cylinders are ideal for the measured addition of solutions, reagents and/or chemicals to a reaction mixture. The double graduated scale shows the approximate volume of liquid contained in the funnel or the volume dispensed from the funnel.

Specifications

Specifications
Boro 3.3 Borosilicate glass 3.3 has a very good chemical resistance, virtual inert behavior, a high maximum usage temperature, high light transparency and minimal thermal expansion. Borosilicate glass 3.3 has a linear coefficient of expansion of 3.3 × 10−6 K−1 at 20 °C. It also conforms to the requirements of a USP/EP/JP Type 1 neutral glass suitable for use by the pharmaceutical industry. The properties of DURAN® are specified to ISO 3585 and ASTM-E438 Type 1 Class A.
Diameter d (mm) 10
h (mm) 381
Capacity (mL) 250
Diameter (mm) 10
Key Bore Diameter (mm) 4
Stem OD (mm) 10
Socket Size 29/32
Material PP, BORO 3.3
Height (mm) 381
Graduation Range (mL) 5
Autoclavable Yes
Quantity 1