Improved Chromatographic Porphyrin Aggregates W . Warren Howe
Future Articles Listed below are papers Analytical Chemistry
to
appear
in
forthcoming
issues of
Analysis
R a p i d Fluorine Analysis b y W i d e - L i n e Herbert Rubin and Robert E. Swarbrick
of
Petroleum
NMR
The S p e c t r o p h o t o m e t r i c T i t r a t i o n of W e a k Acids Bases in A q u e o u s Solution Using t h e T y p e II Plot Stanley Bruckenstein and D. C. Nelson L i q u i d - L i q u i d E x t r a c t i o n of V a n a d i u m ( V ) w i t h phosphate
TributylC a t i o n Exchange Elution of M e t a l l i c C h l o r i d e s b y H y d r o chloric Acid Charles K. Mann and Charles L. Swanson
Santosh K. Majumdar and Anil K. De Acid-Catalyzed Acetylation. imes a n d v / c - D i o x i m e s
Determination
or
of
KetoxContinuous
Polarographic
Determination
of
«-Amino
Acids
George H. Schenlc
W . J. Blaedel and J . W . T o d d D e t e r m i n a t i o n of E t h y l e n e - P r o p y l e n e position b y I n f r a r e d A n a l y s i s
Copolymer
ComD e t e r m i n a t i o n of t h e S t o i c h i o m e t r y of U r a n i u m D i o x i d e by Controlled Potential Coulometry R. W . Stromatt and R. E. Connally
Peter E. Wei A Microscopic S u b l i m a t i o n P r o c e d u r e f o r t h e D e t e c t i o n a n d R e m o v a l of I m p u r i t i e s f r o m O r g a n i c Solids Ralph H. Petrucci and John C. Weygandt M e a s u r i n g M e l t i n g Points a n d Rates of C r y s t a l l i z a t i o n of P o l y m e r s b y R e c o r d i n g C h a n g e s in B i r e f r i n g e n c e Charles W. Koclc and Joseph F. Arbogast D e t e r m i n a t i o n of Chromagraphy
Cholesterol
and
Squalene
by
A m p e r o m e t r i c T i t r a t i o n of S u l f h y d r y l a n d Disulfide Groups w i t h Organic Mercury Compounds at the Rotated D r o p p i n g M e r c u r y I n d i c a t o r Electrode Walter Strides and S. K. Chakravarti
T h e H i g h Resolution Mass Spectra of A l i p h a t i c Esters J. H. Beynon, R. A. Saunders, and A. E. Williams A n I n t e r p r e t a t i o n of t h e End Point in t h e P o t e n t i o m e t r i c T i t r a t i o n o f B r o m i d e a n d C h l o r i d e M i x t u r e s w i t h Silver Nitrate Richard C. Bowers, Laura Hsu, and James A. Goldman G r a d i e n t Elution in t h e S e p a r a t i o n of C h l o r o p h e n o l s b y Ion E x c h a n g e Norman E. Skelly The R a p i d , Trace Analysis of P h o s p h a t e M i x t u r e s b y a Paper Chromatographic, Densitometric Procedure R. H. Kolloff Resolution of T i m e - D e p e n d e n t G a m m a Spectra w i t h D i g i t a l C o m p u t e r . Use in A c t i v a t i o n Analysis
a
Oswald U. Anders and William H. Beamer The D e t e r m i n a t i o n of M e t h y l G r o u p s in b y Chromic Acid O x i d a t i o n
Alkybenzenes
Stanley G. Brandenberger, L. W . Maas, and Isaac Dvoretsky F l a m e P h o t o m e t r i c D e t e r m i n a t i o n of Phosphorus in t h e Presence of S o d i u m , P o t a s s i u m , a n d O t h e r Cations D. N. Bernhart, W . B. Chess, and D. Roy of
Quaternary
R a d i o c h e m i c a l D e t e r m i n a t i o n of M o l y b d e n u m b y S o l v e n t Extraction William J. Maeclt, Maxine Elliott Kussy, and James E. Rein
Gas
Hugh J. O'Neill and Leon L. Gershbein
The P o l a r o g r a p h y pounds
Solvent Extraction Method for the Radiochemical D e t e r m i n a t i o n of Zinc William J. Maeck, Maxine Elliott Kussy, and James E. Rein
Ammonium
Com-
Burnett C. Southworth, Robert Osteryoung, Kenneth D. Fleischer, and Frederick C. Machod
S p e c t r o p h o t o m e t r i c D e t e r m i n a t i o n of V a n a d i u m ( V ) w i t h N-Benzoyl-N-Phenylhydroxylamine U. Priyadarshini and S. G. Tandon Absence of Isotope-Effect in t h e Fractional l i z a t i o n of a - D - G l u c o s e - I - f Horace Isbell, Harriet Frush, and Nancy B. Holt
Reerystal-
A N e u t r o n A c t i v a t i o n M e t h o d f o r t h e D e t e r m i n a t i o n of Traces of C a d m i u m in A l u m i n u m E. Ricci and W . D. Mackintosh The S p e c t r o p h o t o m e t r i c D e t e r m i n a t i o n of M i c r o g r a m Q u a n t i t i e s of V a p o r i z a b l e W a t e r f r o m Solids Using K a r l Fischer R e a g e n t Dumas A. Otterson N e w Fire Assay M e t h o d f o r R h o d i u m Bharat R. Sant and F. E. Beamish A d s o r p t i o n Characteristics of Some G a s - L i q u i d C h r o m a t o g r a p h i c Supports Everett M. Bens T h e o r y of S t r i p p i n g V o l t a m m e t r y trodes W . H. Reinmuth
w i t h Spherical
I n v e s t i g a t i o n of N - M e t h y l a c e t a m i d e Polarographic Solvent D. E. Sellers and G. W . Leonard, Jr.
as a
Elec-
Nonaqueous
S t r i p p i n g Analysis w i t h Spherical M e r c u r y Electrodes P o t e n t i o m e t r i c D e t e r m i n a t i o n of C h l o r i n e Bound t o Boron in M i x t u r e s C o n t a i n i n g 2 - C h l o r o v i n y l Boron Chlor i d e s a n d Ethyl Boron Chlorides H. G. Nadeau, D. M. Oaks, and R. D. Buxton 138 A
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ANALYTICAL CHEMISTRY
Irving Shain and John Lewinson H o m o g e n e o u s P r e c i p i t a t i o n of A l u m i n u m Lester C. Howick and William W . Trigg
8-Quinolate
