NEW PRODUCTS
Activation analysis laboratory comes completely equipped, with a neutron gen erator, sample-transfer system, scintillation detector assembly, and automatic gamma ray spectrometry instrumentation. The neutron generator, shown above, is said to produce an essentially isotropic yield of 4 χ 10 1 0 neutrons per second. Nuclear-Chicago Corp. 414
New for the
Li^ht weiçht furnace is said to reach a temperature of 2 2 0 0 ° F. from room temperature in less than 10 minutes. Temperature is adjusted with a single knob, and the cycled heating power is controlled by a solid state switch. Size range is from 64 to 500 cubic inches, but other sizes can be provided. L J Products. 415
laboratory!
IMMlMlll
REFRACTORY SHEET High insulating properties make it ideal for so many uses we can hint at only a few. Use as a thermal jacket on diffusion pumps, insulation around crucibles and beakers, hand grip on casseroles, insulation for small furnaces. Pattern can be cut to fit many sizes and shapes of vessels. In pliable state, it can be cut easily with a knife or scissors. Dries in air to a hard insulating protector. At 500°F, heat transmission is only 0.5 BTU/hr./sq. ft./°F/in. At 2000°F, it is only 1.4.
the s o l u t i o n f o r every g l a s s w a r e cleaning problem! • in Vi% to V2% solution—is safe, effective, economical · dissolves blood, tissue mucus and other soil on immersion alone · will not etch glass, rust metal, harm plastics · specifically formulated for laboratory and hospital use Costs just a few pennies per gallon Technical Brochure and Samples Available
Write for literature today. Free sample available if requested on company letterhead.
LABORATORY EQUIPMENT CORP. 5051 Hilltop Road, St. J o s e p h , Michigan Circle No. 41 on Readers' Service Card
118
A
·
ANALYTICAL CHEMISTRY
on Request
MEINECKE & CO., INC. 229 Varick Street, N e w York 14 Circle No. 44 on Readers' Service Card