INDEX TO ADVERTISERS IN THIS ISSUE Infotronics Corp.................... Robinson-Gerrard, Inc. “Instrumentation Laboratory, Inc...... Pazolt & Co. “ISCO........................... Graham Printing & Advertising Service International Ion Systems............ John F. Norris & Company, Inc. Japan Spectroscopic Co., Ltd.......126, Kairyusha Advertising, Ltd.
127
Cunningham & Walsh, Inc.
Labconco Corporation............... V alentine-Radford, Inc. “Labindustries Bonfield Associates, Inc.
20
75
34
7
Produkter AB................ ABC Annonsbyra AB “The London Company.............. Ritchie & Sattler, Inc. Luminon, Inc...................... Tek-Mark, Inc.
180 142 102
Company............
“Matthey Bishop, Inc............... Richardson, Thomas & Bushman, Inc. McKee-Pedersen Instruments......... Dave Comstock Advertising McPherson Instrument Corp.......... Culver Advertising, Inc. “Matheson, Coleman & Bell.......... Cooper, Strock & Scannell, Inc.
152
IBC
Michel-Cather, Inc. “Pierce Chemical Co................ Advertising Design “Plenum Publishing Corp............ Flamm Advertising “Polyscience Corporation............ “Precision Cells, Inc................ “Precision Sampling Corp............ William U. Stacener “Precision Scientific Co., Subsidiary of GCA Corp..................... Tri-State Advertising Co., Inc. Princeton Applied Research Corp...... Mort Barish Associates, Inc. “Professional Tape Co., Inc........... Robert Peterson Advertising Agency Pye Unicam, Ltd...................
166
“LKB
J. S. Lanza & Associates
182
“Packard Instrument Co............33, 135 Ross Ilewellyn, Inc. “Perkin-Elmer Corp.......53, 107, 129, 191 Gaynor & Ducas, Inc. “Phillips Electronic Instruments. 23, 30, 42, 59 Marsteller, Inc. “Photovolt Corp.................... 5
99
Advertising Services, Inc. “Leeds & Northrop Co............... Gaynor & Ducas, Inc.
100
Owens-Illinois, Inc.................. Meldrum & Fewsmith, Inc.
10
“Laboratory Equipment Corp.........
Research Laboratories, Inc., Subsidiary of Block Engineering, Inc.......................... Product Promotions Agency, Inc. “Sargent-Welch Scientific Co........76, Sidney Clayton & Associates “Schleicher & Schuell, Inc............ Wildrick & Miller, Inc. “Schoeffel Instrument Corp...........
182
“Orion Research, Inc.............151, Visual Research & Design Corp.
96
....................
M-T Electronics
“National Instrument Laboratories, Inc. Federal Graphics “Nester/Faust Mfg. Corp............ Allyn H. Jacobson Nuclear Diodes, Inc.................
62 41
128 98
177
144 105 194 113
153
29
43 101 170
T & T Technology, Inc.............. Marshall Smith & Associates Technicon Corp............... Mediad, Inc. Technilab Instruments, Inc., Subsidiary of Bel-Art Products............. Gallard Advertising Agency, Inc. “Thermolyne, Div. of Sybron Corp..... E. R. Hollingsworth & Associates “Arthur H. Thomas Co.............. “Torsion Balance Co................ Michel-Cather, Inc. “Tracor, Inc....................... Winn-McLane Associates, Inc.
147
173
Cochrane Chase & Co., Inc. “Unitron Instrument Co............. Van Christo Associates, Inc.
14
109
“Scientific Glass Apparatus Co., Inc... “Shimadzu Seisakusho, Ltd........... New International Media Co., Ltd. “ Spectra-Physics, Inc................ Hal Lawrence, Inc.
Unimetrics Universal Corp., Universal Industries Corp.................
137
172
186
17 150 113 37
157
140
62
“Varían
59
“Regis Chemical Co................. Foley Advertising, Inc.
176
192 192
“Sadtler
.
164
“Kevex Corp....................... Bonfield Associates “Kewaunee Mfg. Co................. Phillipps Associates, Inc. “Kontes Glass Co................... Garceau, Hallaban & McCullough, Inc. Koslow Scientific Co................. M. S. D. Advertising Agency, Inc.
184
.
Bonfield Associates Merck & Co., Inc................... 115 RumriU-Hoyt, Inc. “Mettler Instrument Corporation. .8,55, 151 Mort Barrish Associates, Inc. “Micromeritics Instrument Corp......60, 61 George & Glover
192 139
Research Assistants Corp............. Rocky Mountain Research........... Hal Grossman Advertising
160
“Melabs, Inc......................
136
“Ithaco, Inc....................... Hart-Conway Co., Inc.
“Johns-Manville....................
“Matheson Gas Products............ Cooper, Strock & Scannell, Inc.
97 149
Associates, Analytical InstruDiv.....................
45
ments
Chiat/Day, Inc.
“Varían Associates, Aerograph Div..
168
.
Chiat/Day, Inc.
.57, 87
“See ad in ACS Laboratory Guide
LOW PRICES ON QUALITY
NEW FOR ANALYTICAL CHEMISTS
ABSORPTION
CELLS
No Cemented Seams to Dissolve in Acid.
Fully Fused
THE
—
MICRO-PULVERIT ELECTROMAGNETIC
LAB MICROMILL. For Pulverizing And Homogenous Mixing Of Dry or Wet Samples THE
MICRO-PULVERIT
utilizing the
most
and
ELECTROMAGNETIC TECHNOLOGY, especially for the Analytical Chemists.
Selective Pulverizing •
·
520 types Cuvettes available m Glass, Special Glass. Quartz. Matched Sets, specials to order.
designed CUVETTE WASHER-DRYER The only U,t and dry cuvettes without scratching or breaking. Completely assembled (without filtering flask) $16.00 ea. way to wash
Silent, Smooth Operations
•
•
advanced
___
Working Capacity: up to 15CC
Feeding Grain Size:
·_.
1/8
edge length
Write For Free Literature About The New MICRO-PULVERIT ELECTROMAGNETIC MICROMILL
I
CUVETTE $8.50
GEOSCIENCE ^
ADD-A-MIXER
ea.
used for adding small volumes of enzyme solution to
NEW CATALOG 70/1 AVAILABLE I
435 East 3rd Street, Ml. Vernon, N.Y. 10553 VISIT
·
(914) 664-5100
· PITTSBURGH CONFERENCE 1015 & 1017 · Cleveland, Ohio MARCH 2 to 6
US AT BOOTHS
221 Park Ave.
Circle No. 146 on Readers’ Service Card
194 A
.
ANALYTICAL CHEMISTRY, VOL. 42, NO. 2, FEBRUARY 1970
·
Hicksville,
N. Y.
reaction
in
PRECISION CELLS, INC.
mixtures
Jpectropfiotom-
eter cuvettes.
11801
Circle No. 39 on Readers' Service Card
S2.50
i