34 A
ANALYTICAL
FAST
Klett.....
CHEMISTRY
U —
EASY
Photometers
pH and
Chlorine Determinations *ith Taylor Comparators
fCUtt-£umm&u&&n PUoioeleobUc QlaéA. Cell GaU>Umete>i No. 900-3
The all-important determination of p H in manufacturing and processing chemicals is merely a matter of 60 seconds with the Taylor Comparator. All Taylor Liquid Color Standards carry an unlimited guarantee against fading. Nine Taylor Color Standards, a complete set for each de termination, are enclosed in one plastic slide — no handling of single standards. Many Color Standard Slides may be used with one base—pH, chlorine, phosphate— each set is completely portable. VALUABLE BOOK FREE
Write direct for "Modern p H and Chlo rine Control." 96 pages of latest methods ι and equipment, F R E E . See your dealer for equipment.
W. A.TAYLORSandco. 7302 YORK RD. · BALTIMORE-4, MD.
HEVI
DUTY
ELECTRIC
COMPANY
MULTIPLE UNIT MUFFLE FURNACES
No. 2070
Designed for t h e rapid a n d accurate d e t e r m i n a t i o n of
Π
t h i a m i n , riboflavin, a n d other aubatancei w h i c h fluoresce i n s o l u t i o n . T h e sensitivity a n d s t a bility are s u c h t h a t it h a s been found particularly useful i n d e t e r m i n i n g very small a m o u n t s of t h e s e s u b s t a n c e s .
* 6 Types in 13 Different Sizes
• =KLETT SCIENTIFIC PRODUCTS? ELECTROPHORESIS APPARATUS · BIO-COLORIMETERS GLASS ABSORPTION CELLS · COLORIMETER NEPHELOMETERS · GLASS STANDARDS · KLETT REAGENTS
Klett
Manufacturing
179 E A S T 8 7 T H S T R E E T , N E W Y O R K ,
Co. Ν . Υ.
IEVI DUTY Muffle Furnaces are being adapted to new and unusual experimental and test problems daily. While the catalog types and sizes which range from 1000° F to 2350° F serve most applica tions, it is frequently found that special sizes or special features are needed for certain operations. Your inquiries are solicited should you have such requirements. HEVI
DUTY
LABORATORY FURNACES
ELECTRIC MULTIPLE UNIT
MILWAUKEE
COMPANY ELECTRIC EXCLUSIVELY
1, W I S C O N S I N
