Skillfully Designed
KJELDAHL APPARATUS for Micro and Semi-Micro
ÙC7EAM/MAT/Oêf of Nfm06£N
DIGESTION APPARATUS
m
THE IDEAL PRESS FOR MAKING KBR PELLETS FOR INFRARED SPECTROSCOPE ANALYSIS • 2 0 Ton Press
capacity
• Accurate eration
Hydraulic
alignment
in
op-
• Guided moving platen • Sturdy tion
DISTILLATION APPARATUS
Run Complete KJELDAHL DETERMINATIONS with these three units • Electrically-heated Digestion Unit holds 12 flasks: standard types, NPN tubes or newly-designed expansion-bulb flasks. Rotary design eliminates former difficulty of cold-end flasks. Special heating feature prevents condensation in fume hood, and aids in fume exhaustion. • Distillation Apparatus is available with interchangeable entrance tubes and vacuum-jacketed distillation flasks permitting a wide range in sample sizes.
STEAM GENERATOR
• Steam Generator consists of a 2-liter Pyrex flask and an immersion type heating coil.
Write for New Bulletin No. 2271-H
AMERICAN INSTRUMENT CO., INC. S i l v e r S p r i n g , M a r y l a n d · In M e t r o p o l i t a n W a s h i n g t o n , D.C. For further information, circle number 16 A-1 on Readers' Service Card, page 61 A
16 A
3
column
construc-
• Even pressure distribution for uniformly dense pellets •
Self-contained
• Bench mounted • H a n d operated • 9 " χ 9 " platen area • 2 2 " m a x . vertical adjustable
opening,
A multi-purpose unit with quickly adjusted vertical o p e n i n g , by h a n d w h e e l , per mits many different set-ups in m i n i m u m time. U s e d a r o u n d the w o r l d for RESEARCH, C O N T R O L , & TESTING. Available accessories include: Heat ing and Cooling Platens; Temp. Con trols; Auxiliary low pressure gauges; Fast air closing; Extruding units; Testing units, etc. Other capacities and sizes available. Write for Bulletin.
LOOMIS ENGINEERING & MANUFACTURING CO. 133 So. 14th St., N e w a r k 7, N . J .
Circle No. 16 A-2 on Readers' Service Card, page 61 A ANALYTICAL
CHEMISTRY
