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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:
76 – 90 of 239 results
76

Chemglass Life Sciences 250mL Funnel, Addition, 24/40 Joint Size, 2mm Glass Stpk On Side Arm, Airfree, Schlenk
SDP

250mL Funnel, Addition, 24/40 Joint Size, 2mm Glass Stpk On Side Arm, Airfree, Schlenk. Lower outlet is a standard taper inner joint and has a CG-961-01 0-4mm Chem-Vac Chem-Cap valve. Top outer joint is the same size as the lower inner joint. Available with a choice of a 2mm high vacuum glass stopcock having a Stainless Steel constant pressure retaining device or a 0-4mm Chem-Cap Airfree inlet valve. This item comes with the stopcock.

ENCOMPASS_PREFERRED
77

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
78

Ace Glass, Inc. Funnel, addition, graduated, PTFE stopcock, 60mL, 14/20
SDP

60mL pressure equalizing addition funnel with standard PTFE stopcock. Features include 14/20 standard taper joints, protected drip-tip, equalizing arm, and double scale graduations calibrated from the stopcock.

ENCOMPASS_PREFERRED
79

Ace Glass, Inc. 50mL 14/20 addition funnel, PTFE stopcock plug, ungraduated
SDP

50ML 14/20 ADD FUNNEL

ENCOMPASS_PREFERRED
80

Chemglass Life Sciences 25mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stpk, 200mm OAH
SDP

25mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm PTFE Stopcock, 200mm OAH. Cylindrical style addition funnel similar to CG-1710, but with a PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
81

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

10mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stopcock, 255mm OAH. Cylindrical style addition funnel similar to CG-1710, but with a PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
82

Chemglass Life Sciences 125mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stpk, 325mm OAH
SDP

125mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stpk, 325mm 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
83

Chemglass Life Sciences 25mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stpk, 240mm OAH
SDP

25mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stpk, 240mm 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
84

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

2000mL Addition Funnel, 24/40 Joint Size, 6mm PTFE Stopcock, 530mm 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. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
85

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
86

Ace Glass, Inc. Addition funnel, 19L, #25 Ace-Thred bottom, body only
SDP

19L addition/separatory funnel body for use where large volumes are needed. The cylindrical shape necks down to a #25 Ace-Thred.

ENCOMPASS
87

Ace Glass, Inc. Funnel, addition, jacketed, 2000mL, 29/42 joints, 6mm PTFE, stopcock
SDP

2000mL graduated addition funnel with outside jacket for cooling and/or heating. Jacket extends from just below shoulder of vessel down to the bottom tube just below the stopcock. Stopcock is a 6mm bore PTFE plug. Bottom drip tube extends to the edge of the lower, 29/42 inner standard taper joint. Top outer reinforced joint is also 29/42. Side hose barbs are size D for 3/8 I.D. tubing.

ENCOMPASS_PREFERRED
88

Chemglass Life Sciences 2000mL Addition Funnel, Graduated, 29/42 Joint Size, 6mm PTFE Stpk, 535mm OAH
SDP

2000mL Addition Funnel, Graduated, 29/42 Joint Size, 6mm PTFE Stopcock, 535mm OAH. Cylindrical style addition funnel similar to CG-1710, but with a PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
89

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 Stopcock, 225mm OAH. Cylindrical style addition funnel similar to CG-1710, but with a PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED
90

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

50mL Addition Funnel, 14/20 Joint Size, 2mm Stopcock, 0-2mm PTFE Valve, 240mm 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. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

ENCOMPASS_PREFERRED