NEWS
* ^ 3 * £Pcien/£ia> Sttefyutv/iele'
BURRELL
UNIFORM SOLUTIONS For G a s Analysis always fresh and active . . . order as you need Modern Burrell Reagents and Auxiliary Solutions are available as a regular, dependable source of supply for use with all makes of gas analysis equipment. Listed here are some perennial "best sellers." Tell us your needs for prompt service.
Fast Absorbing
Delaware Valley Meeting
Reagents
COSORBENT® for Carbon Monoxide. Active and accurate. Forms stable compound. Requires few passes. CAT. N o . 3 9 - 7 2 0 — 8 o z . 6 . 0 0 CAT. N o . 3 9 - 7 2 1 — 3 o z . 3.25
Case of 1 2 — 6 4 . 8 0 Case of 1 2 — 3 5 . 1 0
COSORBENT POWDER for Carbon Monoxide. Easier to store and transport. Has indefinite shelf life. CAT. N o . 3 9 - 7 2 5 — v i a l 3.85
Case of 12 v i a l s — 4 1 . 6 0
LUSORBENT' for Unsaturated Hydrocarbons. N o vapor pressure. Non-Corrosive to rubber connections. CAT. N o . 3 9 - 7 1 5 — 8 o z . 4 . 4 0 CAT N o . 3 9 - 7 1 6 — 3 o z . 2.75
Case of 1 2 — 4 7 . 5 5 Case of 1 2 — 2 9 . 7 0
OXSORBENT® for Oxygen. Fast, clean and accurate. Breaks sharply at saturation point. CAT. N o . 3 9 - 7 1 0 — 8 o z . 6 . 0 0 CAT. N o . 3 9 - 7 1 1 — 3 o z . 3.25
Case of 1 2 — 6 4 . 8 0 Case of 1 2 — 3 5 . 1 0
DISORBENT© for Carbon Dioxide. Crystal clear potassium hydroxide solution. Accurate and fast. CAT. N o . 3 9 - 7 3 0 — 1 6 o z . 3.25 Case of 1 2 — 3 5 . 1 0 CAT. N o . 3 9 - 7 3 1 — 3 o z . 1.90 Case of 1 2 — 2 0 . 5 5 (©Trademark Registered U.S. Patent Office ©Trademark NOTE: Order 8 oz. for each charge in a standard absorption pipette; 3 oz. for Industro® gas analyzers.
S p e c i f i c s for H y d r o c a r b o n s SORBENT "A"©—For total olefins, ethene, propene, butène and pentenes. CAT. No. 39-741 —8 oz. 5.00 Case of 12—54.00 SORBENT "B"©—For selective absorption of iso-butene. Takes up 1-butène and 2-butene slowly. CAT. N o . 3 9 - 7 4 2 — 8 o z . 3 . 0 0
Case of 1 2 — 3 2 . 4 0
SORBENT "C"©—For propenes, butènes and pentenes. Will absorb ethene slowly. CAT. N o . 3 9 - 7 4 3 — 8 oz. 3 . 0 0
Case of 1 2 — 3 2 . 4 0
SORBENT "D"©—For acetylenes and higher members of the acetylene series. CAT. N o . 3 9 - 7 4 4 — 8 o z . 6 . 5 0
Case of 1 2 — 7 0 . 2 0
©Trademark Prices listed a r e F. Ο . Β. Pittsburgh, Pa.
Ask for Bulletin No. 327
BURRELL
CORPORATION
Scientific Apparatus and Laboratory Supplies 2 2 2 3 FIFTH AVENUE, PITTSBURGH 19, P A . Circle No. 24 on Readers' Service Card 50 A
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ANALYTICAL CHEMISTRY
Gel-Liquid Extraction. T h e E x t r a c t i o n a n d S e p a r a t i o n of S o m e M e t a l S a l t s U s i n g Tri-ZV-Butyl P h o s p h a t e G e l s . H . Small, D o w Chemical Co. Agar Gel-Vegetable Parchment M e d i u m for t h e R a p i d E l e c t r o p h o r e s i s of A l k a l o i d s . L. A. Williams, Office of the W a y n e C o u n t y Medical E x a m i n e r ; Yvonne Brusock, W a y n e State University of Medicine, and B . Zak, Detroit Receiving Hospital. F r a c t i o n a t i n g of A m i n o A c i d s in Protein Hydrolyzates by Ion Exclu s i o n . E . G. D o n a h u e , Hercules Powder Co. S e p a r a t i o n of P e n t a c h l o r o p h e n o l a n d t h e I s o m e r s of T e t r a c h l o r o phenol by I o n Exchange Chroma t o g r a p h y . N . E . Skelly, D o w Chemi cal Co.
T h e T h i r d Dela\vare Valley Regional Meeting will be held F e b r u a r y 25 at the Bellcvuc-Stratford Hotel in Phila delphia. Sponsors are t h e ACS local sections of Delaware, Lehigh Valley, Philadelphia, Princeton, Southeastern Pennsylvania, South Jersey, and T r e n ton. I n addition to regular technical ses sions there will be symposia or special invited speakers in all scientific divi sions. D r . Gaylord P . Harnwell, presi dent of t h e University of Pennsylvania, will be t h e dinner speaker. T h e r e will be sessions on analytical chemistry, chemical education, medici nal a n d biochemistry, organic chem istry, petroleum, physical a n d inorganic chemistry, polymer chemistry and general. T h e full day's program of papers of analytical interest appears below:
J. A. Devlin, Jr., Chairman Ε. Τ. Scafe, Co-Chairman Morning
Symposium on Vapor Phase Chromatography J. A. Devlin, Jr., Presiding High Temperature Gas-Liquid Partition C h r o m a t o g r a p h y Applied t o P e t r o l e u m F r a c t i o n s . L. S. H e p ner, J. G. Bendoraitis, a n d R . B . Free m a n , Socony Mobil Oil Co. D e s i g n a n d C o n s t r u c t i o n of a T w o Inch Gas Chromatographic C o l u m n . G. J . Frisone, R o h m & H a a s Co. G a s - L i q u i d C h r o m a t o g r a p h y for t h e A n a l y s i s of F a t s a n d O i l s . Paul Magidman, E a s t e r n Utilization R e search and Development Div., U . S. D e p a r t m e n t of Agriculture. T e c h n i q u e s a n d P r o c e d u r e s in t h e
