ANALYTICAL.
CHEMISTRY
PRODUCT CAPSULES
For your convenience —short "refreshers" on last month's ads. Obtain free information on any of the products or services described by circling the corresponding key number in the "Product Capsules" portion of the reply card preceding this section.
Analyzers. Brochure on new 400channel pulse height unit. 87 Analyzers. For continuous-flow electrochromatography. 152 Analyzers. 100-channel pulse height unit has single-channel window. 163 Analyzers. Info on thermogravimetric unit. 162 Analyzers. photometry,
For
colorimotry, fluorometry.
flame 164
Analyzers. Details on direct reading carbon unit. 57 Analyzers. Info on recording polarographic unit offered. 35 Balances. Triple beam unit has 2610 gram capacity. 74 Balances. offered. Balances. weights.
Info
on
complete
line 82
Info on line of balances and 105
Balances. Bulletin on unit with taring device and all metal case. 23 Balances. Catalog details complete line of balances. 79 Balances. Bulletin details singlo-pan unit with eye-level readout. 24 Balances. New top-loading unit has 10 gram optical range. 65 Balances. Single-pan unit has solid titanium beam/jeweled mechanism. 183 Balances. readout.
Info on unit with digital 186
Balances. For controlled environmental testing under vacuum or pressure. 25 Blenders. Unit pre-blends, disperses liquids, granulates. 78 Blow Torches. For fast heat up to 1000° F. 63 Bombs. Specs on line of oxvgen bombs offered. 77 Burettes. Low-cost piston burettes eliminate hand-buretting in titrations. 113
Chromatographs. units.
Info on line of gas 133
Chromatographic Papers. on four new specialty papers.
Bulletin 94
Circulators. Light-weight, compact, portable constant temp. unit. 36 Circulators. Light weight, compact constant temp. unit. 12 Clamps. Info on clamps for laboratory support frames. 1 Colorimeters. Info on unit for quality control. 93
Cells. Details on line of glass absorption cells offered. 55
Computers. Data on portable unit for XAIR spectroscopy. 168
Cells. Info on sampling cells.
IR 118
Connectors. Catalog on autoclavable microconnectors. 3
Centrifuges. Bulletin on automatic unit with reverse rotation. 110
Connectors. For leak-proof vacuumtight seal. 8 Controllers. Circulates up to 4 litres per minute. 98 Coolers. New heat exchanger for constant temp, circulator. 188
new
low-cost
Centrifuges. Bulletin details unit with dual temp, control. 161 Centrifuges. Info on shock-mounted table model units. 40 Chemicals. Info on five new chemicals offered. 43 Chemicals. Info on 500-page chemical materials catalog. 11 Chemicals. Info on complete line of G00 chemicals. 62 Chromatographs. Info on line of gas units and accessories. 154 Chromatographs. Gas unit for high sensitivity pesticide analysis. 126 Chromatographs. Automatic programming gas unit has single or dual flame operation. 89
Coolers. Thermoelectric immersion cooler for laboratory baths. 103 Counters. Unit has 30 digits of programmed information. 88 Cryogenic Units. Bulletin details dewar flasks, liquid nitrogen/oxygen containers. 136 Crystals. Booklet, "Polished Optics," offered. 50 Crystals. Info on optical crystal blanks and optical maser crystals. 75 Desiccants. 100-page book on desiccant for solids, liquids, gases. 49 {Continued on •page 132 A) VOL 36, NO. I , JANUARY 1964
·
131 A
Detectors. Micro-thermal conductiv ity unit for small diameter columns. 151
3-MINUTE SULFUR
of
Detectors. Thermal conductivity unit for gas chromatography. 52
ANALYSIS
Detectors. Info on gas chromatogra phy detector. 29
METALS, ORGANIC, a n d INORGANIC MATERIALS
Dewars. 64-page catalog on super conducting magnet dewars. 180 Distillation Columns. Info on spin ning band distillation columns. 153
..versatility..
Electrodes. 6-inch spectroscopic elec trodes in grades AGKSP and SPK. 106 Electrodes. Catalog details line of 121 pH electrodes. 124 Electrodes. Bulletin on new complete line of pH electrodes. 41
with a DIETERT-DETROIT Sulfur Determinator
Electrophoresis Units. layer electrophoresis.
Info on thin141
Electrophoresis U n i t s .
Low-cost unit
has thermoelectric cooling. Electrophoresis Units. solves 0.01 ^g. protein.
185
Disc unit re 26
Encoders. Brochure, "Digital Moni toring and Control," offered. 99 Evaporators. Brochure on high-vac uum, low-temp, rotary unit. 125 Filters. Application manuals on line of filters offered. 67 Filters. Catalog and chart on line of membrane filters offered. 10 Filters. Catalog on membrane niters from .004 to 10 micron pore sizes. 4 7 Filter Papers. ters offered. The Dietert-Detroit Sulfur Determinator fea tures an extremely simple direct-reading buret. No involved measuring or computing. Provides fast accurate analysis of sulfur con tent in a great variety of materials. Low cost, durable, easily maintained. Used in labora tories and institutions for over 22 years.
Brochure on 32
Fraction Collectors. Info on auto matic units and components. 60
Furnaces. Bulletin on unit with temp, range to 2800° Γ. 123 Furniture. line.
H A R R Y W. D I E T E R T C O . 9 3 3 0 Roselawn · Detroit 4 , M i c h . AreaCode313 · Phone: WEbster3-9790 Sulfur-Carbon
Fraction Collectors. compact unit offered.
Freeze Dryers. Specs on line of me chanically refrigerated units. 102
(Left) Dietert-Detroit No. 3420 Varitemp Combustion Furnace for use in conjunction with the Sulfur Determinator (Carbon Determinators also available).
Send me free 16-page
Catalog on line of fil 27
Catalog details complete 2
Furniture. Info safety enclosures.
on furniture and 121
Bulletin
G.C. Packing. Info on kits with trial selection packings. 127
Nam e Com pa ny
-
Address
.
City
.
State Circle No. 130 on Readers' Service Card
132 A
·
ANALYTICAL CHEMISTRY
G.C. Supports. Bulletin on supports for gas chromatography. 171
...fits standard water baths! The Submersion Rotator... for the even dispersion of hetero geneous mixtures by the under water rotation of test tubes, syringes, stoppered flasks and small bottles. Unusually versa tile, the Submersion Rotator is unequalled in a multitude of applications: Blood Typing; Kahn, Wâsserman, Kolmer and Babcock tests; Rotation of Tissue Slices and Homogenates; Coagulations; Aerobic and Anaerobic studies; Gas Saturation studies. Easily adaptable to a variety of container sizes.
SUBMERSION ROTATOR AT YOUR LABORATORY SUPPLY DEALER another Quality product of
Scientific in dust ries INC DEPT. AC164, ÎÏ0-05 97th AVE. QUEENS VILLAGE 29, NEW YORK Circle No. 38 on Readers' Service Card
Gels.
Info on gel filtration offered. 80
Heating Units. Catalog on high frequency induction heating units. 59 Hoods. 32-page brochure fiberglass fume hoods.
AUTOMATE
ALL
on new 56
Hot Plates. 6 in. square unit has stainless steel case. 101 Instruments. Bulletin on electrical measuring and calibrating units. 33
Of Your Lab Tests
Instruments. Info on recorder, monitors, photometers, analyzers. 182
With
(No Changes) These 2 Precision
Integrators. New, all-transistorized printing electronic digital unit. 138
L/l Instruments
Lamps. High-intensity mercury vapor arc lamps for photochemistry. 131 Liquid Scintillation Units. line of room temp, units.
Info on 72
Permanente Medical Group Laboratory, Oakland, California — one of many leading laboratories now automating procedures with L/l REPIPETS and Dilutors.
Microbiological Units. Sterilizers, stills, dry boxes, freeze dry units. 184 (1)
Microscopes.
offered.
Info an electron unit 168
Microscopes. Details on microscope and accessories.
camera 177
Mixers. Electronic controlled mixer has constant torque. Models. tures.
lab. 51
Data on biomolecular struc170
L/l Automatic Dilutor (2) L/l REPIPET (REpetitive PIPET) • dispenses · s a m p l e s · dilutes dispenses (only) any reagent directly • transfers · mixes · price $89.50 from its own bottle, flask, beaker, etc. price $45
BOTH REPIPETS AND DILUTORS feature volumetric pipet precision, transparent all-pyrex construction, and are instantly operated, set, checked and cleaned. Stocked for immediate delivery in 1, 10, 20 and 50 ml sizes. For details, write to: I
A Q l k i r M I C T D I C C
Circle No. 169 on Readers' Service Card
Monitors. Vamp area, remote area, batch sample, gas/liquid monitors. 17 Monochromators. Bulletin on single and double mirror units. 191 Monochromators. Info on vacuum U. V. scanning unit. 150 Mortars. Boron carbide mortar and pestle sets. 95 Oscilloscopes. reduces noise.
Digital memory unit 179
Osmometers. Details on high-speed membrane unit. 64 Osmometers. Automatic direct-reading digital dial.
unit
has 85
Ovens. Info on ovens, incubators, water baths. 71 Packing. Packs columns in less than a minute. 178 Partitioners. Unit partitions gases in four minutes.
five 46
pH Meters. Bulletin on low-cost, versatile pH unit. 96
1740 University Avenue, Berkeley 3, California 94703
L A D I I N U U O I K I CO Phone TH 3-0Î20
\O
