HIGHLY ACCURATE
NEW PRODUCTS
MOISTURE ANALYSIS
JhfNew COURTAULD ATOMIC MODELS
NEW # 277 DIETERT-DETROIT MOISTURE TELLER with the
New Low
Cost Micro vapor pressure apparatus, Model 1300, requires a much smaller sample than conventional Reid vapor pressure units to duplicate the 4:1 vapor-liquid ratio specified in ASTM Method D-323. Twelve samples per hour can be determined. Price: $3987. Fisher Scientific Co. 417
T h e new compact Moisture Teller N o . 277 reaches a preset drying temperature faster than any similar unit available today. H i g h static pressure from a high speed blower removes free moisture in any material—solid, granular, liquid or semi-liquid. Produces a n absolute analysis. N o calibration required. A real aid to q u a l i t y and cost control in processing foodstuffs, fibres, chemicals, soaps and many other materials.
12 Page Catalog sent on request. Ask for bulletin SL-1. Describes complete line of moisture tellers, drying ovens, speed desiccators, etc.
H A R R Y W. D I E T E R T CO. CONTROL
EQUIPMENT
9330 Roselawn . Detroit
4, Mich.
Moisture analyzer, Model HFR-4E, for process and quality control operates by radio frequency power absorption, according to the company. Determines moisture content in the range from 0 to 8 0 % without affecting the material being tested. Claimed accuracy is 0.003 to 0.5%. Operates on 115 volts, 60 cycles, taking 100 watts. Boonton Polytechnic Co. 418
Build large transparent models like these polypeptide chains — and handle them with ease. The spacefillingCourtauld Atomic Models are the only system with elastically distortable bond angles. They are now made of hollow plastic — strong and light. Brass connecting links are housed in a new plastic turret — assembly is fast, easy and without tools. Molecules have open structures— bond lengths and directions can be studied and measured. Send for new, free
leaflet.
The exclusive distributors— THE
Send me Moisture Teller Bulletin SL-1 Name
Sucrose Detector
.
N e w i n s t r u m e n t is designed to detect t h e presence of dissolved sugar in water. I t involves t h e use of three reagents and an automatic built-in heater to boil the sample. T h e près-
Company_ Address City
Circle No. 140 on Readers' Service Card 128 A
•
ANALYTICAL CHEMISTRY
Ealing
CORPORATION
33 University Road, Cambridge 38, Massachusetts Telephone : Klrkland 7-5760 Teletype : Cambridge 62 Cable Address : Ealing Circle No. 47 on Readers' Service Card