AUGUST 1960
ADVERTiSED PRODUCTS—Circle keyed numbers on reply card. oncentrated Accelerators 52 Activators 130 Analyzers . .43, 109, 120, 134, 136, 14S, 146 Atom Models 62 Balances 17, 31, 67, 140 Blenders 79 Books 138 Boron Trifluoride 107 Buffer Tablets 37 Cells 57 Centrifuges 35, 54, 88 Chromatographs 55, 131, 147 Chromatography 139 Circulators 89 Collectors 72, 110 Colorimeters 25 Comparators 11 Counters 48, 123 Deionizers 53 Densitometric Equipment 156 Detectors 33 Detergents 6
^#ccupy less space L a r g e selection E x a c t pH certified I v l o d e r n vials J%lways Fresh •lever
Deteriorate
Determinators Equipment Filter Paper Flasks Flow Counters
Ill 46, 115 21 93 128
Flow Rate Test Kit
16
Furnaces
8, 118
Generators
83, 135
Glassblowing Kit
26
Half-Second Butyrate
154
Ion Exchange Papers
84
Instruments
80, 94, 143
Iodides
0
Manganese Sulfate
152
Microanalyzers
119
Microbiological Equipment
106
Microscopes
96, 132
Mixers
19,51
Molecular Model Kit
29
Nessler Compounds
50
BUFFER TABLETS 2.00pH
Y O U C A N KEEP D O Z E N S OF
3.00pHj BUFFERS I N
A SMALL 4.00pH
WITH
COLEMAN
BUFFER S.OOpH k
À
SPACE
TABLETS
WHY G A M B L E w i t h deteriorating liquid
Γό.ΟΟρΗ]
b u f f e r s ? W h y use v a l u a b l e space to store d o z e n s o f b o t t l e s ?
[6.40pHj
Your Buffers are always fresh
FIRST CLASS PERMIT NO. 1538
a n d the pH exact
[7.00pHj
w i t h convenient CERTIFIED
COLEMAN
NEW YORK, Ν. Υ.
BUFFER TABLETS.
[8.00pHj
Wide range of pH values f r o m 2.0 t o 1 1 . 0 0 p H .
BUSINESS REPLY CARD NO POSTAGE STAMP NECESSARY IF MAILED
I N THE UNITED STATES
[o-OOpHj COLEMAN
READERS' INFORMATION
SERVICE
ΓΐΟ,ΟΟρΗ write
for
Bulletin
B-247
FÎ.OOPHJ Coleman Instruments, Inc. Maywood, Illinois Circle Ne. 3T OR Readers' Senrict Ctrl' VOL.
32, NO. 9, AUGUST 1960 · 116 B
Analytical Chemistry 430 Park Avenue New York 22, Ν. Υ.
