Z250236
Aldrich® falling-film distillation head
Small, one-piece design, Overall L 420 mm, O.D. 42 mm, joint: ST/NS 24/40
Sign Into View Organizational & Contract Pricing
All Photos(2)
About This Item
UNSPSC Code:
41104812
NACRES:
NB.43
Recommended Products
Joint
joint: ST/NS24/40
O.D.
42 mm
Overall L
420 mm
Looking for similar products? Visit Product Comparison Guide
General description
Safe alternative for distillation of heat-sensitive compounds. The material is in contact with the heated center finger for only a brief period of time, avoiding decomposition by long-term exposure to heat. This system can be used at atmospheric or reduced pressure. Look at these products on the web at sigma-aldrich.com to see a typical distillation set-up.
Falling Film Technique
1. Flask A is filled with the solvent desired and heated to reflux. The boiling solvent vapor maintains a constant temperature at the center finger. The temperature is the boiling point of the solvent.
2. The material to be distilled is placed in the addition funnel and allowed to drip slowly onto the heated center finger. The volatilized material will condense on the outer air-cooled wall and collect in Flask B. The high boiling material will remain on the center finger and flow down the spiral into Flask C.
3. Any pressure-equalizing funnel, standard condenser, and flasks can be used.
Falling Film Technique
1. Flask A is filled with the solvent desired and heated to reflux. The boiling solvent vapor maintains a constant temperature at the center finger. The temperature is the boiling point of the solvent.
2. The material to be distilled is placed in the addition funnel and allowed to drip slowly onto the heated center finger. The volatilized material will condense on the outer air-cooled wall and collect in Flask B. The high boiling material will remain on the center finger and flow down the spiral into Flask C.
3. Any pressure-equalizing funnel, standard condenser, and flasks can be used.
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Choose from one of the most recent versions:
Certificates of Analysis (COA)
Lot/Batch Number
Sorry, we don't have COAs for this product available online at this time.
If you need assistance, please contact Customer Support.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service