Six flew HPLC Columns
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Autoclaves 50 m l t o 750 m l PTFE l i n e d
Two ion exchange columns Now you can purchase high efficiency, high capacity, 10 micron ion exchange columns. They're Brownlee Labs packed columns and they're available now from Rheodyne. Look at the chromatogram below! Are you in Reverse Phase? Choose RP-2, RP-8, or RP-18"(new). To help you decide which one to use, we have a little note for you.
It is Technical Note #910 and it compares the three reverse phase packings and gives a useful insight into their application. Fully specified and doubly guaranteed Brownlee Labs guarantees each col umn with respect to plates per meter and peak symmetry. Each column is shipped with its own test chromato gram which shows completely specified test conditions and results.
"Alphabet Soup" (5' Nucleotides) Chromatographed on Type AN Anion Exchange Column. so
β: Ο-
s
Digestion B o m b s w i t h P T F E - v e s s e l 10 m l a n d 250 m l
rïr^N 16 MINUTES
Brownlee HPLC columns* available through Rheodyne Plates per meter Guaranteed Minimum Specifications
H g - , As-, S e - A c c e s s o r y for A t o m i c s
RHi]
· •-?mW iM l
m&
Β
( .
Micro-Refluxer for GC + HPLC
Symmetry
Reverse Phases RP-2 (new) RP-8 RP-8 RP-18 (new) RP-18 (new)
10 10 5 10 5
micron micron micron micron micron
1 2,000 1 8.000 36,000 1 2,000 24,000
1.8 1.6 1.6 1.8 1.8
Adsorption Phases Si 100 Si 100 Alox Τ (new)
10 micron 5 micron 10 micron
20,000 36,000 14,000
1.6 1.6 1.6
Polar Bonded Phases NH2 DIOL
10 micron 10 micron
1 8,000 16,000
1.6 1.6
Ion Exchangers A N (new) ΚΑΤ (new)
10 m i c r o n 10 micron
1 0,000 16,000
2.0 2.0
' C o l u m n packings are LiChrosorb (a trademark of E. Merck, Darmstadt. Germany). All columns are 4.6 m m I.D. χ 25 c m long.
Write for price list and Technical Note #910. Please address R h e o d y n e , Inc., 2 8 0 9 Tenth Street, Berkeley, Calif. 94710. For even faster service, p h o n e (415) 5 4 8 - 5 3 7 4 .
Fractioner for U Z • U F - M e m b r a n e s PTFE-Labware · SiC-Fibers C u s t o m e r - R e s e a r c h - Electronic Business
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ΒΕRGΗΟF West G e r m a n y P.O.Box 1 5 2 3 D-7400 T u b i n g e n 1 CIRCLE 2 7 O N READER SERVICE CARD
RHEODYNE T H E LC C O N N E C T I O N C O M P A N Y CIRCLE 185 O N READER SERVICE CARD A N A L Y T I C A L C H E M I S T R Y , V O L . 5 0 , NO. 1 , J A N U A R Y
1978 ·
85 A