Product Capsules
Outstanding
Crystals. Crystals, Inc. offers info on sodium iodide, sodium chloride, potassium bromide, and anthracene crystals. 37
DURABILITY and ECONOMY
€l€£
Crystals. Technical bulletin and price list on cell windows, prisms, accessories from Isomet Corp. 45
DURA-VAC
PLASTIC* DESICCATORS "STANDARD"
Cat. N o 1810
H e i g h t 7W; F l a n g e Width 3 4"; Inside Dia. 6 ! i "
IDEAL FOR STUDENT USE AND GENERAL ANALYTICAL WORK! GUARANTEED FOR ONE YEAR AGAINST ACCIDENTAL BREAKAGE COMBINES THE TRANSPARENCY OF GLASS WITH IMPACT A N D SHATTER RESISTANCE OI : PLASTIC FOR THE OPTIMUM IN UTILITY A N D SAFETY. STRONG
Densitometers. Bulletin on densitometer for partition chromatography and paper electrophoresis. Photovolt Corp. 69-6
Detectors. Info on Gow-Mac Instrument Co. detectors for vapor phase chromatography. 121
FEATHER-WEIGHT
Distillation Columns. Brochure on new design Nester & Faust spinning band distillation columns. 146
DURA-VAC®
(U. S. Pat. No. 2,742,709)
H e i g h t 14"; D i a . 1 3 " ; Inside D i a . 1 0 " SELF-RELEASING LID No longer need you strugi le to pry off lid "frozen" to the bottorr by evacuation. UNIQUE STOPCOCK Upward Vents prevent reluming air from disturbing contents.
Ask Depf. DV i: to send y o u Bulletins Nos. 5810 and 5 8 1 5
ACE GLASS INCORPORATED VINELAND
NEW
JERSEY
LOUISVILLE, KY., Box 9 W •Fabricated of Plexiglas, a trade named product made by Rohm and Haas Company. Circle No. 6 on Readers' Service Card ·
De-Ionizers. The Illinois Water Treatment Co. throw-away cartridge de-ionizer is clear plastic column containing mixed-bed resins. 44
Determinators. Latest Harry W. Dietert Co. catalog describes full line of carbon and sulfur determinators, accessories and supplies. 104
VACUUM
106 A
Cylinders, Graduated. Catalog on polypropylene cylinders that can be autoclaved repeatedly. The Nalge Co. Inc. 60
Because of its Spherical Surface, Dura-Vac presents maximum strength in deflection of impact blows. Tough Plexiglas virtually eliminates breakage from accidental dropping.
Weighs only a fraction of comparable size glass unit. Can be lifted and carried about with e a s e .
C a t . *te1800
Cuvettes. Info on new TJ-V cuvettes for use with Beckman DU spectrophotometers. Aloe Scientific. 100
ANALYTICAL CHEMISTRY
Electrodes. Data from United Carbon Products Co. on preformed carbon electrodes in 7 basic shapes. 6 Electrodes. National Carbon Co. carbon and graphite electrodes and powders contain no measurable ash. 124 Electrometers. Details from Keithley Instruments, Inc. on line-operated (59 ranges) and battery-operated (53 ranges) electrometers for dc laboratory tests. 47 Electrometers. The Cary model 31 electrometer measures electrical properties and determines C 14 and H 3 . Data file from Applied Physics Corp. 102 Equipment. Circle 10-1 for "SemiMicro" catalog that includes centrifuges, spatulas, hot plates and burners. Wilkens-Anderson Co. 10-1 Eye-Wash Fountains. Detailed info on Haws Drinking Faucet Co. line of emergency eye and face wash fountains. 115
Filters. Circle 58 for sample filter, catalog, technical bibliography and complete info on the Millipore Filter Corp. products. 58 (Continued on page 108 A)
