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The dropping funnels manage the slow content transfer with the featured stopcock. Stoppers disconnect the funnel and pressure equalizing arm leaving sensitive fluids isolated and unexposed. Typically cylindrical, the laboratory glassware comes with or without calibrated graduations for visible measuring during reagent addition. Protected drip stems will not extend beyond standard taper joint and the ground outer joints allow vessel to fit securely into reaction flask. Dropping funnels are available in different capacities.

The dropping funnels manage the slow content transfer with the featured stopcock. Stoppers disconnect the funnel and pressure equalizing arm leaving sensitive fluids isolated and unexposed. Typically cylindrical, the laboratory glassware comes with or without calibrated graduations for visible measuring during reagent addition. Protected drip stems will not extend beyond standard taper joint and the ground outer joints allow vessel to fit securely into reaction flask. Dropping funnels are available in different capacities.


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Description: VWR® Graduated Addition/Dropping funnels with PTFE Stopcocks are made from Borosilicate 3.3 glass, ASTM 438, Type 1, Class A standard.
Catalog Number: 75998-002
Supplier: VWR International

UL Listed


Description: Cylindrical with standard taper joint top and bottom, drip stem, pressure equalizing arm and double scale graduations, calibrated from stopcock
Catalog Number: 89058-726
Supplier: Ace Glass

Small Business Enterprise


Description: Graduated addition funnel with Instatherm® coating for critical heating
Catalog Number: 89084-172
Supplier: Ace Glass

Small Business Enterprise


Description: Cylindrical shaped funnels.
Catalog Number: KT634000-0250
Supplier: DWK Life Sciences (KIMBLE)

Description: This funnel is used for charging columns
Catalog Number: 89052-422
Supplier: Ace Glass

Small Business Enterprise


Description: These graduated, cylindrical, addition funnels have a reinforced [ST] 24/40 outer joint at the top and a 1:5 PTFE stopcock plug at bottom
Catalog Number: 89058-670
Supplier: Ace Glass

UL Listed Small Business Enterprise


Description: Cylindrical with standard taper joint top and bottom, drip stem, pressure equalizing arm and double scale graduations, calibrated from stopcock
Catalog Number: 89074-958
Supplier: Ace Glass

Small Business Enterprise


Description: Cylindrical funnels have PTFE "Varibor" metering plug stopcock and double scale graduations
Catalog Number: KT633511-0060
Supplier: DWK Life Sciences (KIMBLE)


Description: Ungraduated with a standard taper joint top and bottom
Catalog Number: 89074-994
Supplier: Ace Glass

Small Business Enterprise


Description: Cylindrical addition funnel with [ST] joint top and bottom, drip stem, double-scale graduated and calibrated up from the stopcock
Catalog Number: 89058-652
Supplier: Ace Glass

Small Business Enterprise


Description: Double scale graduated funnel with jacket for cooling with dry ice
Catalog Number: 89058-772
Supplier: Ace Glass

Small Business Enterprise


Description: Permits solutions to be prepared with 89077-852 stirring magnet and added portion wise
Catalog Number: 89060-406
Supplier: Ace Glass

Small Business Enterprise


Description: Cylindrical shaped funnel with glass or PFTE stopcock and lower drip tip. Graduations to the stopcock are numbered both up and down.
Catalog Number: KT634530-0125
Supplier: DWK Life Sciences (KIMBLE)


Description: Ungraduated, with a standard taper joint at top and bottom
Catalog Number: 89058-646
Supplier: Ace Glass

Small Business Enterprise


Description: This funnel is used for charging columns
Catalog Number: 89052-430
Supplier: Ace Glass

Small Business Enterprise


Description: Graduated, borosilicate glass, liquid addition funnels with an offset bottom outlet and [ST] inner joint
Catalog Number: 89235-676
Supplier: Ace Glass

Small Business Enterprise


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