V O L U M E 2 3, NO. 3, M A R C H
1951
7A
ANOTHER MERCK SERVICE Write Today For Your Free Copy of This
New, Handy Chemical Reference Chart FORMULA CALCULATIONS Multiples of Element Weights
Number
Log
c c, c, c. c. c. c; c. c. ClO
12.01 24.02 36.03 48.04 60.05 72.06 84.07 96.08 108.09 120.10
.0795 .3806 .5567 .6816 .7785 .8577 .9246 .9826 .0338 .0795
c„ c„ c„ c. c„ c„ c„ c„r c„| cJ
132.11 144.12 156.13 168.14 180.15 192.16 204.17
DESIGNED FOR LABORATORY AND CLASSROOM USE:
Log Η , / Η , Ο - .04883
Log C / C O . - .43399
Number
Log
16 32 48 64 80 96 112 128 144 160
.2041 .5052 .6812 .8062 .9031 .9823 .0492 .1072 .1584 .2041
Number
Log
H H, H, H. Hs H, H, H. H, H,„
1.008 2.016 3.024 4.032 5.040 6.048 7.056 8.064 9.072 10.08
.0035 .3045 .4806 .6055 .7024 .7816 .8486 .9066 .9577 .0035
Ο 0, 0,
.1209 .1587 .1935 .2257 .2556 .2837
H„ H,. H„ H,. H1S H„
11.09 12.10 13.10 14.11 15.12 16.13
.0449 .0828 .1173 .1495 .1796 .2076
Ν Ν, Ν, Ν. Ns Ν.
14.008 28.02 42.02 56.03 70.04 84.05
.1464 .4475 .6235 .7484 .8454 .9245
.3100
H„
17.14 18.14
.2340 .2586
S S, S,
32.06 64.12 96.18
.5060 .8070 .9831
ο. 0, 0.
ο, ο. 0, 0„
-
Prompt Classification of Organic Com pounds According t o Solubility (easy reference to the 9 basic solubility classes.) Rapid Calculation of Higher Molecular Weights for Compounds Containing C, H , O, N , S, CI, Br, I. (logarithms of multiple elements in one handy table.)
A l l this useful information, including logarithm table and latest atomic weights in one handy chart, folded and punched to fit your notebook. Continuing a long tradition of scientific service, we are happy t o make this latest informational chart available t o the chemical profession and t o the m a n y thousands in its ranks who depend in their daily work on the unvarying purity of Merck Laboratory Chemicals.
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