40 A
ANALYTICAL CHEMISTRY
For Materials with Ultra-Complex Spectra FASTER, MORE ACCURATE ANALYSIS
Co»" 1 " 9 "
on ^ ' , Γ ο η
1
p c i " " ' ,„ D h.
NNr
J*"
,„doV·
with C o S I 3*4 m e t e r
Automatic Grating Spectrograph Match this precise JAco Spectrograph against your toughest analytical prob lems. High reciprocal linear dispersion and maximum resolution mean easier and more accurate analyses of ferrous alloys, minerals, high temperature alloys and other materials with highly complex spectra. All-electric automatic operation assures foolproof control while saving time and steps. N o finer spectrograph available for your re search or industrial control applications.
TECHNICAL FEATURES •
High reciprocal linear dis persion (5.0 A mm. Order I; 2.4 A mm. Order I I ; 1.6 A mm. Order III) • 15,000 line/inch grating • Automatic electric operation • Self-feed plateholder
JARRELL-ASH COMPANY DETROIT
EL CERRITO, CAL.
PHOTOVOLT
165 NEWBURY ST., BOSTON 1 6 , MASS.
CHATTANOOGA
QUEENS VILL., Ν. Y.
Densitometer
Shown with JAco V a r i s o u r c e , ο precise and versatile excitation unit for spectrochemical analysis.
Hotpack
for
TRADE MARK
CHROMATOGRAPHY
SEND
CATALOG
/j
Controlled Temperature Equipment
Check and mail information
A photoelectric precision instrument for the rapid and convenient evaluation of strips and sheets in filter paper chromatography and paper electrophoresis Write
for Bulletin # 8 0 0 to
PHOTOVOLT CORP. 9 5 Madison A v e . Also
N e w York 1 6 , Ν . Y .
Colorimeters p H Meters Fluorimeters Electronic Photometers Reflection Meters Multiplier Photometers Interference Filters
for
detailed
INCUBATORS Π WATER BATHS D ELECTRIC FURNACES Π GRAVITY CONVECTED OVENS Π MECHANICAL CONVECTED OVENS Q SAFETY OVENS Π CONSTANT TEMPERATURE ROOMS Π DRY HEAT STERILIZERS Π SOLD AND SERVICED ONLY THROUGH LOCAL FACTORY REPRESENTATIVES THE ELECTRIC 5047
Hotpack
COTTMAN
STREET,
COMPANY, Inc.
PHILADELPHIA
3 5 , PA,
