HIGH ENRICHMENT C-13 CATALOGED. THAT'S RARE.
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A n a l y s i s o f M u l t i - C o m p o n e n t Ester M i x t u r e s T e m p e r a t u r e D i f f e r e n t i a l Kinetics
b y Dual
T. I. Munnelly Alkalimetric Determination of Small Amounts o f W a t e r a n d O t h e r W e a k l y Acid C o m p o u n d s b y Lithium 2 - A m i n o ethylamide Walter R. Heumann, Aristide Bouchard, and Fernande D. Rochon Direct G a s C h r o m a t o g r a p h i c aminotoluenes
A n a l y s i s o f Isomeric D i -
An Adjustable-Waveform High-Voltage f o r O p t i c a l Emission Spectroscopy
Spark
Source
John P. Walters Polymer Characterization b y Coupled etry-Gas Chromatography
Thermogravim-
Jen Chiu Spectrophotometric Determination 2,4,6-Tri(2'-Pyridyl)-s-Triazine
o f Ruthenium
with
W . A . Embry and G. H. Ayres D e t e r m i n a t i o n o f H e t e r o g e n e o u s E q u i l i b r i u m Constants b y C h e m i c a l S t r i p p i n g a t Ring-Disk Electrode. Evalua t i o n o f t h e E q u i l i b r i u m C o n s t a n t f o r t h e Reaction C o p p e r -|- C o p p e r ( l l ) —> 2 C o p p e r ( l ) in 0.2M Sulfuric Acid
C-13
l a b e l e d compounds f o r you t o select from. And many more can be pre- • pared on special order. < To see what we have, just write for our new catalog. In a d d i t i o n t o C - 1 3 , you'll get information on ' our 534 other stable labeled ' compounds a n d on o u r . 888 radioactive labeled «^ compounds. O u r catalog details compound a v a i l ability, specific activity, isotopic purity, package size and price. And it tells you about our fast, reli able and l o w cost mass spectrometric analysis service.
Listed below are papers to appear in forthcoming issues of Analytical Chemistry
Friso Willeboordes, Quentin Quick, and Ε. Τ. Bishop
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FUTURE ARTICLES
Θ. W . Tindall and Stanley Brucltenstein S p e c t r o p h o t o m e t r i c A n a l y s i s o f Sulfuric Solutions o f H y d r o g e n P e r o x i d e , P e r o x y m o n o s u l f u r i c Acid a n d P e r o x y d i s u l f u r i c Acid M. H. Mariano S h o r t - T i m e Electrode Processes a n d S p e c t r a i n a H i g h V o l t a g e S p a r k Discharge J . P. Walters Quantitative Thin-Layer Emission Spectroscopy
Chromatography
with
X-Ray
R. A . Libby
M Mechanism o f t h e Spectrophotometric Determination o f Niobium w i t h Thiocyanates Cirila Djordjevic and Biserka Tamhina D e t e r m i n a t i o n o f D o u b l e Bond Position i n M o n o u n s a t u r a t e d F a t t y Acid Esters b y Mass S p e c t r o m e t r y o f Their Trimethylsilyloxy Derivatives Pompeo Capella and C. Zonut Adsorption Behavior o f a N u m b e r of Metals in H y d r o chloric Acid o n a W e a k l y Basic A n i o n E x c h a n g e Resin Rolcuro Kuroda, Koji Ishida, and Tetsuya Kiriyama Measurement of Calibration Standards for Thermometry Vincent G. Colarusso and Michael A . Semon
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