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Description
Rotary Evaporator 20L ValveApplications and Features: It is the suitable and ideal instrument for pharmacy, chemistry and scientific research institutions.? It is rotating with electric governor, so as let the flask rotate at the desired constant speed.? It forms membrane under the negative pressure and constant temperature heating with rotating, vaporizing efficiently, then receives menstruum in the receiving flask by condenser. Main data Capacity of rotary flask: 20 L
Applications and Features:It is the suitable and ideal instrument for pharmacy, chemistry and scientific research institutions.? It is rotating with electric governor, so as let the flask rotate at the desired constant-speed.? It forms membrane under the negative pressure and constant-temperature heating with rotating, vaporizing efficiently, then receives menstruum in the receiving flask by condenser.
Main data
Capacity of rotary flask: 20 L
Capacity of receiving flask: 10 L ?
Rotating speed: 20 ~ 120 r.p.m.
Power of motor: 250 W
Power of water bath: 5.0 kW
*Rising or reducing range of water bath: 180 mm
Working temperature: room temp.? ~ 150 ??
Main power: 220V(2 phrases) 50~60 Hz ?
Measurement:1150 x 500 x 1880(H) mm
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4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Five Stars
Format: Paperback
comprehensive work of a great poet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2014
★★★★★ 1
A horrific Kindle perversion
Format: Kindle
Her lines are misrepresented, all left justified. The leading is too large and erratic. The poems run page to page rather than start each on their own. This is a textbook example of a badly done Kindle conversion. Read elsewhere.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2025
★★★★★ 5
Roaring '20's & The Great Depression
Format: Paperback
A great book for an overview of the time period. The illustrations are wonderful and the information gives a good overview to introduce someone to the time period for both children and adults.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2016
★★★★★ 5
Great book.
Format: Paperback
The book is for an elementary school and they are already using it and love it. Thank you for the book
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Reviewed in the United States on April 8, 2013
★★★★★ 1
Don't bother...
Format: Paperback
Not very good for educational purposes. Had to return it.
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Reviewed in the United States on May 15, 2017
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