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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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46 – 60 of 237 results
46

Chemglass Life Sciences 250mL Addition Funnel, 24/40 Joint Size, 2mm Stopcock, 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
47

Chemglass Life Sciences 1000mL Addition Funnel, Graduated, 24/40 Joint Size, 4mm PTFE Metering Stopcock, 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
48

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
49

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

125mL Addition Funnel, 24/40 Joint Size, 2mm PTFE Stopcock, 325mm 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
50

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
51

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 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
52

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
53

Chemglass Life Sciences 60mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm Glass Stopcock, 270mm OAH
SDP

60mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm Glass Stopcock, 270mm OAH. Cylindrical style addition funnel graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. 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
54

Chemglass Life Sciences 10mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm Glass Stopcock, 210mm OAH
SDP

10mL Addition Funnel, Graduated, 14/20 Joint Size, 2mm Glass Stopcock, 210mm OAH. Cylindrical style addition funnel graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. 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
55

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

250mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stopcock, 375mm 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
56

Chemglass Life Sciences 250mL Addition Funnel, Graduated, 29/26 Joint Size, 2mm PTFE Metering Stopcock, 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
57

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

250mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Stpk, 375mm 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
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 25mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stopcock, 240mm OAH
SDP

25mL Addition Funnel, Graduated, 24/40 Joint Size, 2mm PTFE Metering Stopcock, 240mm 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
60

Chemglass Life Sciences 500mL Addition Funnel, Graduated, 24/40 Joint Size, 4mm PTFE Stpk, 435mm OAH
SDP

500mL Addition Funnel, Graduated, 24/40 Joint Size, 4mm PTFE Stpk, 435mm 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