E-C
Assistant. Laboratory Automatic Countercurrent Fractionator Series 500 Fully
Specialist in advanced extraction technique involving the separation of mixtures by partition in a two-phase solvent
applications from tracer level to preparative amounts, and extremely low concentrations, with no loss of resolution.
system.
Efficient. Can handle several different runs simultaneously, work overnight if necessary, without supervision. Continuous
Experienced. Proven research reliability. Has played an important role in recent separation of lipids, RNA, cell cultures, viruses, and diverse organic and
feed reservoirs assure automatic, metered addition of upper phase solvent. More efficient extraction due to superior
inorganic applications. Used exclusively in amino acid research project which resulted in a Nobel Prize award.
tube design which allows more interphase contact.
D
Technical Service E-C APPARATUS CORPORATION
755 St. Marks Street, University City Philadelphia, Pennsylvania 19104 Please send me information on your Countercurrent Fractionation units. I am particularly interested in the following
application(s):_
References Upon Request. Extensive
bibliography and library of references on countercurrent distribution available for use at no charge.
Minimum Space Requirement. Functional assembly makes unit more compact. Standard unit 28" x 52x/2"; takes about 1/5 of space needed for other units.
Availability. E-C Apparatus Corporation countercurrent distribution apparatus can be scaled up from research units to small plant models.
Will Relocate. All automatic units on wheeled stands that can be moved
ADDITIONAL DATA: E-C computer service provides free calculation of quantitative results. Exact mathematical analysis
through average-size doors. Practical Orientation. Minimum number of joints in tube construction. Pyrex tubes and Teflon caps are resistant to corrosive solvents, will not contaminate mixture under study. Tube tops at chest height, caps at alternate ends of adjacent tubes for easy access.
and theoretical results. Technical
assistance, consulting service, demonstration and instruction to E-C customers at no cost.
gives direct comparison of experimental
Title
Name
Company. Address
City_
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State
E-C A
.Zip.
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Apparatus Corporation
Milton Roy Company
Versatile. Interchangeable racks for 20 or 80 ml tubes. Space for additional 100-tube rack when needed. Will handle
E-C Model 581 80 ml, 200-tube
unit
Circle No. 103 on Readers’ Service Card
ANALYTICAL CHEMISTRY, VOL. 42, NO. 4, APRIL 1970
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25 A
