Ε. Η. Sheldon EQUIPMENT COMPANY
1
ELIMINATE THE HAZARD For laboratories where water pressure is low or uneven . . on upper floors of tall buildings . . . in rural or unde- veloped areas . . USE THE of inadequate or fluctuating water pressure which can mean the loss of valuable time and material . . . NEW Buchler WATER BOOSTER • RAISES and H O L D S PRESSURE A T 40 psi • Provides 2 Independent and Powerful Aspirators • Noiseless in operation—continuous duty—needs no maintenance or replacement parts • Can be installed without any plumbins or building alterations Complete with overload-protected 1/3 HP, single-phase, induction-type motor, water, turbine, stainless-steel water reservoir tank, 2 polyethylene water aspirators 16" long, 10" wide, 23" high. For 110-115V 60 cy only.. . &*}AQ 00 Request Bulletin A 2-9000 BUCHLER INSTRUMENTS, INC. 514 West 147th Street, New York 31, Ν. Υ. ADirondcick 4-2626 Circle No. 123 on Readers' Service Card Help for yo u ! 3 YEARS IN PREPARATION if you plan, direct, or buy for laboratories, here's all kinds of help for you — the complete line of facilities in Sheldon's new 244-page catalog-, plus Sheldon consulting and planning service. Write for details. Ε. Η. EQUIPMENT COMPANY NEW BOOKS able the current trends in theoretical electrochemistry. While there are no analytical procedures, the material will be most valuable to the practical minded chemist who is hard pressed to keep up with fundamental advances. 212 references, including many from 1959. "The Analytical Chemistry of Thio- acetamide," by E. H. Swift and F. C. Anson. Swift is a master in writing clear, critical, concise but detailed de- scriptions. My comments would be superfluous; this is his field. 97 refer- ences. "Near-Infrared Spectrophotometry," by R. F. Goddu. Although there has been relatively little work in the region of 1 to 3 μ, Goddu has assembled a wealth of useful data and helpful hints on the use of this new tool. The em- phasis is quantitative rather than qualitative. 125 references. A subject index completes the book. In recent years, the number of "Re- views" and "Advances" has nearly kept pace with the original literature and one wonders whether he will have time to read yet another series. This re- viewer concludes that the several authors of this volume deserve a note of thanks. Despite a few shortcomings, which can certainly be excused in the first volume, this series will be neces- sary reading for ambitious analytical chemists. Activation Analysis Handbook. Vol. I. R. C. Koch. 219 pages. Aca- demic Press, Inc., Ill Fifth Ave., New York 3, Ν. Υ. 1960. $8. Reviewed by W. Wayne Meinke, Department of Chemistry, University of Michi- gan, Ann Arbor, Mich. The heart of this reference handbook on activation analysis is the tabular presentation of nuclear and experi- mental information which occupies most of its pages. Two facing pages are allotted to each element, one for information on neutron techniques, the other for a summary of charged-parti- cle reactions. All tables are cross in- dexed to an extensive bibliography. For each element the left-hand page begins with a summary of nuclear data for the pertinent isotopes. There fol- lows a listing from the literature of one-sentence summaries and experi- mental sensitivities for thermal neutron (n, y) reactions with different matrix materials. Next is tabulated fast neu- tron information for reactions such as the (n, p) and (n, a). A novel and very useful section presents a discussion of possible interferences which might be encountered when the foregoing reac- tions are applied to analysis. Finally, LABORATORY APPARATUS PRECISION INSTRUMENTS Sheldon 151 NIMS ST., MUSKEGON, MICHIGAN Circle No. 92 on Readers' Service Card 7 8 A · ANALYTICAL CHEMISTRY
Transcript of Ε. Η. Sheldon EQUIPMENT COMPANY
ELIMINATE THE HAZARD For laboratories where water pressure is low or uneven . . on upper floors of tall buildings . . . in rural or undeveloped areas . .
USE THE
of inadequate or f luctuat ing water pressure w h i c h can m e a n the loss of v a l u a b l e t i m e a n d material . . .
NEW Buchler
WATER BOOSTER • RAISES and H O L D S PRESSURE A T 40 psi
• Provides 2 Independent and Powerful Aspirators
• Noiseless in operation—continuous duty—needs no maintenance or replacement parts
• Can be installed without any plumbins or building alterations
Complete with overload-protected 1/3 HP, single-phase, induction-type motor, water, turbine, stainless-steel water reservoir tank, 2 polyethylene water aspirators 16" long, 10" wide, 23" high. For 110-115V 60 cy only . . . &*}AQ 0 0
Request Bulletin A 2-9000
BUCHLER INSTRUMENTS, INC. 514 West 147th Street, New York 3 1 , Ν. Υ.
ADirondcick 4-2626
Circle No. 123 on Readers' Service Card
Help for y o u ! 3 YEARS
IN PREPARATION
if you plan, direct, or buy for laboratories, here's all kinds of help for you — the complete line of facilities in Sheldon's new 244-page catalog-, plus Sheldon consulting and planning service. Write for details.
Ε. Η. EQUIPMENT COMPANY
NEW BOOKS
able the current t rends in theoretical electrochemistry. While there are no analytical procedures, the material will be most valuable to the practical minded chemist who is hard pressed to keep up with fundamental advances. 212 references, including many from 1959.
"The Analytical Chemistry of Thio-acetamide," by E . H. Swift and F . C. Anson. Swift is a master in writing clear, critical, concise bu t detailed descriptions. M y comments would be superfluous; this is his field. 97 references.
"Near-Infrared Spectrophotometry," by R. F . Goddu. Although there has been relatively little work in the region of 1 to 3 μ, Goddu has assembled a wealth of useful data and helpful hints on the use of this new tool. The emphasis is quant i ta t ive ra ther than qualitative. 125 references.
A subject index completes the book. In recent years, the number of "Re views" and "Advances" has nearly kept pace with the original l i terature and one wonders whether he will have time to read yet another series. This reviewer concludes tha t the several authors of this volume deserve a note of thanks. Despite a few shortcomings, which can certainly be excused in the first volume, this series will be necessary reading for ambitious analytical chemists.
Act ivat ion Analysis H a n d b o o k . V o l . I. R. C. Koch. 219 pages. Academic Press, Inc., Ill Fifth Ave., New York 3, Ν. Υ. 1960. $8. Reviewed by W. Wayne Meinke, Department of Chemistry, University of Michigan, Ann Arbor, Mich.
The heart of this reference handbook on activation analysis is the tabular presentation of nuclear and experimental information which occupies most of its pages. Two facing pages are allotted to each element, one for information on neutron techniques, the other for a summary of charged-part i -cle reactions. All tables are cross indexed to an extensive bibliography.
For each element the left-hand page begins with a summary of nuclear da ta for the pert inent isotopes. There follows a listing from the l i terature of one-sentence summaries and experimental sensitivities for thermal neutron (n, y) reactions with different matr ix materials. Next is tabulated fast neut ron information for reactions such as the (n, p) and (n, a). A novel and very useful section presents a discussion of possible interferences which might be encountered when the foregoing reactions are applied to analysis. Finally,
LABORATORY APPARATUS
PRECISION INSTRUMENTS
Sheldon 151 NIMS ST., MUSKEGON, M ICHIGAN
Circle No. 92 on Readers' Service Card
7 8 A · ANALYTICAL CHEMISTRY
