NEW PRODUCTS
GC
now, a completely automatic
SUPPORT now in
10
llaboratory furnace THERMOLYNE
MESH
CUTS
Spinner flask is designed for growing cells in suspension. Cells are sus pended by the rotation of the Teflon covered magnetic spinning bar at tached to a stainless steel fishing swivel. Position of t h e stirrer bar is adjustable. Two flasks of 2 5 0 - and 500-ml. capacity can be centrifuged, and a 1000-ml. flask is also available. Kontes Glass Co. 409
ANAKROM ¥op 3 0 % LESS COST ANAKROM is the first flux-calcined diatomaceous earth support offered in 10-mesh cuts for achieving higher efficiencies in gas chromatographic analysis. It is available from from 50/60 to 160/170 mesh or in special blends tailored to your specifications. Yet Anakrom sells for up to 30% less than other support materials. Check and compare Anakrom types and prices . . . TYPE
PRICE (All Meshes)
ANAKROM U —Untreated ANAKROM A — Acid Washed ANAKROM AB —Acid & Alcoholic Base Washed . . . . ANAKROM ABS —Siliconized
$19/Vi lb. $26/V4 lb. $ 3 2 / % lb. $ 3 7 / % lb.
FREE SAMPLE furnished on letterhead request.
ANALABS ANALYTICAL ENGINEERING LABORATORIES, INC. P.O. Box 5215 · Hamden 18, Conn. · ATwater 8-3400 SPECIALISTS IN CHROMATOGRAPHIC ACCESSORY MATERIALS: SUPPORTS; STATIONARY PHASES; PRECOATED SUPPORTS; PRETESTED AND CONDI TIONED PACKED COLUMNS; HAMILTON SYRINGES
THERMOLYNE TYPE 2 0 0 0 Just d i a l desired temperature. This
Thermowell contour heaters for round bottom flasks come in 13 sizes from 10 to 5000 ml. and provide tempera tures up to 6 0 0 ° C. - They operate on 120 volt a.c. and draw no more than 950 watts for the 5000-ml. size. The 10-ml. size takes 5 0 watts. Prices range from $ 9 to $ 3 6 . Laboratory Craftsmen. 410
electric furnace, specifically for laboratory
designed
use, automatically
holds preset temperatures within close limits b y means o f a potentiometric control system. Practically immune to vibration, dust, dirt to give long, trouble-free service. Rigid, b r a c e d construction . . . long-life heating elements e m b e d d e d in interchange a b l e plates that give fast, even heat distribution. Chamber surrounded
Warburg Flasks
by h i g h - g r a d e , multiple-type insula
Newly designed Warburg flasks have an alkali trough fused into the vessel wall and connected with a side arm. This permits unrestricted shaking, ac cording to the company, in contrast to conventional manometric vessels that contain an alkali well fused directly to the flask bottom. The shape of the vessel is altered to a flat trough, in creasing the surface area of alkali ex posed to gas and greatly expediting
Circle No. 182 on Readers' Service Card
VOL.
tion. Chamber size 4 " χ 3VA" Χ 9 " . O p e r a t i n g temperatures to 1050°F continuous, 1900°F intermittent. 115 a n d 2 3 0 volts. Price complete, $ 2 4 7 . 5 0 . W r i t e for literature a n d name o f nearest d e a l e r .
THERMOLYNE CORPORATION (Formerly Thermo Electric Mfg. Co.) 478 Huff St., D u b u q u e , Iowa Circle No.113on Readers' Service Card 33, NO. 12, NOVEMBER 1961 • 125
A
