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Addition Funnels

Addition funnels are used in the lab to allow for the slow and controlled addition of a reagent solution to a reaction. The funnels provide the ability to control the temperature, speed and extent of the reactions. These funnels are typically cylindrical and are available with or without graduation marks for easier measuring. Some funnels feature a pressure equalizing arm and stoppers that disconnect from the funnel, leaving fluids isolated and unexposed. The funnels have ground outer joints, allowing them to securely fit into reaction flasks, and their protected drip stems do not extend beyond a standard taper joint. A stopcock at the base of an addition funnel allows for the transfer of a solution.
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Keyword Search:
196 – 210 of 238 results
196

Ace Glass, Inc. Funnel, addition, 60mL, 14/20 top & bottom, 2mm glass stopcock sidearm, 0-4mm valve bottom, No-Air
SDP

Funnel, addition, 60mL, 14/20 top & bottom, 2mm glass stopcock sidearm, 0-4mm valve bottom, No-Air

ENCOMPASS_PREFERRED
197

Chemglass Life Sciences 125mL Addition Funnel, Cooling Jacket, 24/40 Joint Size, 2mm Stpk
SDP

125mL Addition Funnel, Cooling Jacket, 24/40 Joint Size, 2mm Stopcock. Jacket permits the cooling of the contents of the funnel by means of dry ice. Drain outlet is 8mm O.D. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm.

ENCOMPASS_PREFERRED
198

Chemglass Life Sciences 250mL Addition Funnel, 24/40 Joint Size, 2mm Glass Stpk, 375mm OAH
SDP

250mL Addition Funnel, 24/40 Joint Size, 2mm Glass Stopcock, 375mm OAH. Cylindrical style addition funnel with a standard taper top outer joint and lower inner joint, both being the same size. With pressure equalizing arm and glass stopcock. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
199

Chemglass Life Sciences 10mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stpk, 255mm OAH
SDP

10mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stopcock, 255mm OAH. Cylindrical style addition funnel with a PTFE adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from dropwise to full flow. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
200

Chemglass Life Sciences 50mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stpk, 225mm OAH
SDP

50mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stpk, 225mm OAH. Cylindrical style addition funnel similar to CG-1716, but with PTFE stopcocks. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
201

Chemglass Life Sciences 1000mL Addition Funnel, Graduated, 29/42 Joint Size, 4mm PTFE Stpk, 535mm OAH
SDP

1000mL Addition Funnel, Graduated, 29/42 Joint Size, 4mm PTFE Stpk, 535mm OAH. Cylindrical style addition funnel similar to CG-1716, but with PTFE stopcocks. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
202

Chemglass Life Sciences 1000mL Addition Funnel, Graduated, 24/40 Joint Size, 4mm PTFE Metering Stpk, 525mm OAH
SDP

1000mL Addition Funnel, Graduated, 24/40 Joint Size, 4mm PTFE Metering Stopcock, 525mm OAH. Cylindrical style addition funnel with a PTFE adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from dropwise to full flow. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
203

Ace Glass, Inc. 15ML POWDER DISP FUNNEL
SDP

15ML POWDER DISP FUNNEL

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204

Ace Glass, Inc. Funnel, addition, 200mL, 24/40 top & bottom, 2mm glass stopcock sidearm, 0-4mm valve bottom, No-Air
SDP

Funnel, addition, 200mL, 24/40 top & bottom, 2mm glass stopcock sidearm, 0-4mm valve bottom, No-Air

ENCOMPASS_PREFERRED
205

Chemglass Life Sciences 500mL Powder Addition Funnel, 24/40 Joint Size, Auger B
SDP

500mL Powder Addition Funnel, 24/40 Joint Size, Auger B. Facilitates the delivery of free-flowing, granular solids into reactions. Pressure equalizing arm is equipped with a vented stopper for air-free operations and also permits access into the delivery stem for easy clean-out. One piece, easily removed grooved PTFE auger delivers powders at a uniform rate. The 250 and 500mL capacities have the larger, deep cut auger (Size B) for use with coarse material. Funnel has a lower inner joint and top outer, both being the size listed.

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206

Chemglass Life Sciences 250mL Addition Funnel, 24/40 Joint Size, 2mm Stpk, 375mm OAH
SDP

250mL Addition Funnel, 24/40 Joint Size, 2mm Stopcock, 375mm OAH. Cylindrical shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
207

Chemglass Life Sciences 500mL Powder Addition Funnel, 29/42 Joint Size, Auger B
SDP

500mL Powder Addition Funnel, 29/42 Joint Size, Auger B. Facilitates the delivery of free-flowing, granular solids into reactions. Pressure equalizing arm is equipped with a vented stopper for air-free operations and also permits access into the delivery stem for easy clean-out. One piece, easily removed grooved PTFE auger delivers powders at a uniform rate. The 250 and 500mL capacities have the larger, deep cut auger (Size B) for use with coarse material. Funnel has a lower inner joint and top outer, both being the size listed.

ENCOMPASS_PREFERRED
208

DSI LLC Filter, PTFE, Last Drop 2.5 um, tripod stepped tubing connector

Filter, PTFE, Last Drop 2.5 um, tripod stepped tubing connector

ENCOMPASS_PREFERRED
209

Sigma Aldrich Fine Chemicals Biosciences Ace addition funnel capaci1EA

Angled position makes manipulation of stopcock easier than conventional style. Leak-proof with complete drainage pressure-equalizing arm precise needle-valve adjustment and double-scale graduations.Threaded stopcock (0 to 3 mm orifice for funnels up to 250 mL and 0 to 5 mm orifice for funnels 500 mL and larger) with PTfE plug permits smooth needle-valve adjustment down to 0.1 mL/min flow rate. Double PTfE-ring seals prevent exposure of backup O-ring to corrosive liquids.

ENCOMPASS
210

Ace Glass, Inc. 500ML FUNNEL 500ML FUNNEL
SDP

500mL graduated cylindrical addition funnel with a 24/40 standard taper stopper joint. Stopcock and Stopper not supplied.

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