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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:
46 – 60 of 239 results
46

Chemglass Life Sciences 10mL Addition Funnel, 19/22 Joint Size, 2mm PTFE Stpk, 205mm OAH
SDP

10mL Addition Funnel, 19/22 Joint Size, 2mm PTFE Stopcock, 205mm 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 PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
47

Ace Glass, Inc. 3000mL Addition funnel with Ace-Thred™ connections for a leak-proof seal.
SDP

3000mL Addition funnel with Ace-Thred™ connections for a leak-proof seal.

ENCOMPASS_PREFERRED
48

Chemglass Life Sciences 50mL Powder Addition Funnel, 14/20 Joint Size, Auger A
SDP

50mL Powder Addition Funnel, 14/20 Joint Size, Auger A. 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. Funnel has a lower inner joint and top outer, both being the size listed.

ENCOMPASS_PREFERRED
49

Chemglass Life Sciences 100mL Powder Addition Funnel, 29/26 Joint Size, Auger A
SDP

100mL Powder Addition Funnel, 29/26 Joint Size, Auger A. 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. Funnel has a lower inner joint and top outer, both being the size listed.

ENCOMPASS_PREFERRED
50

Chemglass Life Sciences 50mL Powder Addition Funnel, 29/26 Joint Size, Auger A
SDP

50mL Powder Addition Funnel, 29/26 Joint Size, Auger A. 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. Funnel has a lower inner joint and top outer, both being the size listed.

ENCOMPASS_PREFERRED
51

Chemglass Life Sciences 2000mL Addition Funnel, 24/40 Joint Size, 6mm Stpk, 530mm OAH
SDP

2000mL Addition Funnel, 24/40 Joint Size, 6mm Stopcock, 530mm OAH. Cylindrical shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
52

Ace Glass, Inc. Funnel, addition, 100mL, 24/40 top & bottom, 0-3mm valve sidearm, 0-4mm valve bottom, No-Air
SDP

Funnel, addition, 100mL, 24/40 top & bottom, 0-3mm valve sidearm, 0-4mm valve bottom, No-Air

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53

Chemglass Life Sciences 60mL Addition Funnel, Graduated, 19/22 Joint Size, 2mm PTFE Metering Stpk, 230mm OAH
SDP

60mL Addition Funnel, Graduated, 19/22 Joint Size, 2mm PTFE Metering Stopcock, 230mm 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
54

Chemglass Life Sciences 50mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stpk, 270mm OAH
SDP

50mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stopcock, 270mm 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
55

Chemglass Life Sciences 250mL Addition Funnel, Graduated, 29/26 Joint Size, 2mm PTFE Metering Stpk, 350mm OAH
SDP

250mL Addition Funnel, Graduated, 29/26 Joint Size, 2mm PTFE Metering Stopcock, 350mm 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
56

Chemglass Life Sciences 250mL Addition Funnel, Graduated, 29/26 Joint Size, 0-4mm PTFE Valve, 380mm OAH
SDP

250mL Addition Funnel, Graduated, 29/26 Joint Size, 0-4mm PTFE Valve, 380mm OAH. Cylindrical style graduated addition funnel has a threaded, grease-free extended tip valve. Design of all PTFE plug permits semi-needle valve action. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
57

Chemglass Life Sciences 50mL Addition Funnel, Graduated, 14/20 Joint Size, 0-2mm PTFE Valve, 240mm OAH
SDP

50mL Addition Funnel, Graduated, 14/20 Joint Size, 0-2mm PTFE Valve, 240mm OAH. Cylindrical style graduated addition funnel has a threaded, grease-free extended tip valve. Design of all PTFE plug permits semi-needle valve action. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
58

Chemglass Life Sciences 10mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stpk, 205mm OAH
SDP

10mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stpk, 205mm 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
59

Chemglass Life Sciences 250mL Addition Funnel, 24/40 Joint Size, 0-4mm PTFE Valve, 405mm OAH
SDP

250mL Addition Funnel, 24/40 Joint Size, 0-4mm PTFE Valve, 405mm OAH. Cylindrical style addition funnel with a threaded, grease-free extended tip valve. Design of all PTFE plug permits semi-needle valve action. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
60

Chemglass Life Sciences 125mL Addition Funnel, 24/40 Joint Size, 0-2mm PTFE Valve, 350mm OAH
SDP

125mL Addition Funnel, 24/40 Joint Size, 0-2mm PTFE Valve, 350mm OAH. Cylindrical style addition funnel with a threaded, grease-free extended tip valve. Design of all PTFE plug permits semi-needle valve action. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED