Analytical Equipment, Inc

EMpire 1-1035. Servicing . Renting . Leasing. Coleman and Beckman Instruments. Circle No. 119 on Readers' Service Card. NEW DESAGA. LAB SHAKER...
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Mr. Robert M. Schnier

CONTRIBUTED ARTICLES

Formerly of

Radiochemical Evaluation of Fire Assay Method for Determination of Silver . G. H. Faye and W. R. inman

1072

Ε. M a c h l e t t and Son

Separation of Radium and Barium by Ion Exchange Elution

1077

and

W . H . P o w e r , H. W . K i r b y , W . C. M c C l u g g a g e , G . D. N e l s o n , a n d J . H. P a y n e , Jr.

Coleman Instruments, Inc. Radiochemical Determination of Uranium-237 . . .

1080

F. L. M o o r e a n d 5. A . Reynolds

Announces the formation of

Determination of Uranium and Beryllium in Fused Fluoride Systems

Analytical Equipment, Inc. 29-46 Northern Blvd., Long Island City 1, Ν . Υ. Tel. EMpire 1-1035 Servicing

. Renting

. Leasing

.

.

N . E. Rogers a n d W . D. Prather

1081

Determination of Bromine in Uranium Fluorides and Oxides

R. P. Larsen a n d N . M . Ingber

1 084

Precise Determination of Molecular Weight of Trinitrobenzene Complexes J. C. Godfrey

1087

Determination of Meprobamate in Urine. Appli­ cability to Other Compounds Containing Ν—Η Group

G . H. Ellis a n d C. A . Hetzel

1 090

Coleman and Beckman Instruments Polarographic Reduction of Nonconjugated Steroidal Ketones Circle No. 119 on Readers' Service Card

NEW LAB

DESAGA SHAKER

Duplicates Hand & Wrist Motion

ADJUSTABLE Between 80 a n d 140 Impulses per Minute

.

.

Peter K a b a s a k a t i a n a n d James M c G l o t t e n

1 091

Coprecipitation of Sodium in Sulfate Determination. Spectrographic Method J. L. Voth

1094

Controlled-Potential Coulometric Determination of Europium w. D. shuits

1 095

Determination of Alkanethiols in Hydrocarbons with Silver Ion and Dithizone

1 098

R. K. K u n k e l , J . E. Buckley, a n d George G o r i n

Determination of Ratio of Methyl to Phenyl Groups in Silicone Polymers

1 100

J. H. Lady, G . M . B o w e r , R. E. A d a m s , a n d F. P. Byrne

Colorimetric Determination of Boron with Victoria Violet

C. A . Reynolds

11 02

Direct Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys. Use of Bromine Trifluoride

W . A . D u p r a w a n d H. J . O ' N e i l l

11 04

Determination of Aluminum as Sodium Fluoaluminate

UNIQUE THREE-DIMENSIONAL PRINCIPLE ATTAINS MAXIMUM AGITATION AND IMPACT INTENSITY

H. W . Pender

11 07

Determination of Glycine in Glycine Potassium Trioxalatochromate(lll) G. H. Spauiding

1109

Chemical Microscopy of Isoquinoline. Of N o b l e M e t a l s

For additional

information

write:

Chemi Pharm Chemical and Pharmaceutical Industry Co., Inc. 9 0 West

N e w York 7, Ν. Υ. Broadway Circle No. 131 on Readers' Service Card

6 A

ANALYTICAL CHEMISTRY

·

Identification H . F. Schaeffer

1111

Microcrystalline Test for Osmium. . . H. F. Schaeffer

1112

Ultramicromethod for Assay of Pteroylglutamic Acid (Folic Acid) Activity

1113

W . N . Pearson, E. R. B r o d o v s k y , E. R. Carnes, a n d W . J . Darby