Density. 1.166 grams per cc. (flotation), 1.166 grams per cc. (x-ray). OPTICALPROPERTIES Sign of double refraction. Negative. Refractive Indices (5893 A,, 25' (3.). e = 1.512 I!= 0.002, w = 1.614 + 0.002.
meltsat 210-212" C. Themelt doesnot crystallize on cooling.
FUSION DATA.
ing the crystals from which these data
ACKNOWLEDGMENT
DihydrosandlTicine
M. M. MILLER, The Procter a n d Gamble Co., Cincinnati, O h i o . _
1
~
I
Lauramide
X
Accurocy
Componenf Name Formula
%
C I ~ H ~ S O N 50-100
8.1.
1 f 0 . 3 1 5.95
I1
Slif (mm)
A1
I
10.075
cs-59
'
Determination of trans Unsaturation (Expressed as Trielaidin) in Triglycerides J. E. CALLEN a n d 2 . T. PACE,
Concn.
1
Calculafion:
1en;th
10
~
6.37
1
I
~
Componeni Name 1 Formula
No
1
I
Ronge
Accuracy
%
%
X
Slit
6.1. Points
(mm)
Concn. g/I length
AX
mm
10.36 0 . 2 5 0 20 10.06- 0 . 0 5 1 ~ 0 . 5 10.67
Trieloidin C5;HlorOe I
~
~
~
~~~
Instrumenf: Perkin-Elmer Model 12-C, NaCl prism. Sample Phase: Solution in carbon disulfide
Base line
Cell Windows: NaCl Absorbonce Meosuremenf:
Graphical
Calculation:
Relative Absorbance-Analyficol Matrix: ComponenilX
5.95p
1
2 . 2 3 I./g.cm.
Bose line
Graphical
Relative Absorbance Analytical Mafrix: Componenf/X
1
Reference compounds 99 +yo pure.
Maferial Purify:
CS-6 1
The Procter a n d Gamble Co., Cincinnati, O h i o
Insfrumenf: Perkin-Elmer M o d e l 12-C, NaCl prism. Somple Phase: Solution in chloroform Cell Windows: NoCI Absorbance Measuremenf:
%
g/l
0 . 0 2 9 ~ 1 0.5
5.77-
I
1
Points
~
CRYSTALLOGRAPHIC data for inclusion in A N A L T I C ~CHEXISTRY L should be submitted to Ilr. C. LlcCrone, 500 East 33rd St., Chicago 16, 111.
The author to thank 'Iarvin German of these laboratories for Supply-
Analysis of Lauramide
No.1
rTere obtained, and to thank Ralph Pfeiffer and Harry A. Rose for their assistance.
10.36~ 0 . 4 6 0 I./g.cm.
Comments: Instrument must b e swept with nitrogen to remove water vapor interference.
Material Purify: Reference campounds 99 +% pure Commenfs: Results expressed os per cent elaidic ocid on a total fatty ocid basis.
Analysis of Monoethanol Lauramide
Analysis of Diethanol Lauramide
CS-60
M. M. MILLER, The Procter a n d Gamble Co., Cincinnati, O h i o I
, Component Formula
No.-Nome
1
1 Monoethanol
Range ~
%
ClaHzg02N 50-100 ~
louramide
I
I
1
1
Accuracy
%
h 6.1. Poinfs
Slit mm)
I
1 likli;Io.o~F1 ~
l t 0 . 3 6.01
'A1
0.075
~
M. F. MALLERY, The Procter a n d Gamble Co., Cincinnati, O h i o
Concn g/I length mm
10 0.5
Componenf
X
Accu-
Name
70
Diethanol lauromide
50-100
- _____
1
1
&.3
1
6.15 0.075 10 5.85- 0 . 0 2 9 ~ 0 . 5 6.371 , .
Instrumenf: Perkin-Elmer Model 12-C, NaCl prism. Sample Phase: Solution in chloroform
Cell Windows: NaCl Absorbance Measurement:
Cell Windows: NaCl Absorbonce Measuremenf:
Bose line
Colculotion:
Graphical
1 Maferiol Purify:
Bose line
Graphical
Relative Absorbance-Anolyficol Mafrix:
Relative Absorbance-Analyfical Mofrix: ComponentlX
Concn. g/I
Ronge No.
Insfrumenf: Perkin-Elmer M o d e l 12-C, NaCl prism. Sample Phase: Solution in chloroform
Calculation:
Slif
CS-62
6.01~ 1.350 I./g.cm.
Reference compounds 99 +% pure.
ComponenilX
1 Maferial Purify:
6.15~ 1.57 I./g.cm.
Reference compounds 99 +%pure
Comments: Instrument must b e swept with nitrogen to remove water vapor interference.
Commenfs: Instrument must b e swept wifh nitrogen to remove water vapor interference.
These data represent standard publication and submission is open t o anyone in accordance with regulations of A N ~ L S T ~ C ACHEMISTRY. L The Coblenta Society is acting only as an aid t o the journal.
T o standardize procedures, .%N.ALSTICAL CHEMISTRY requests that material besent in quintuplicate t o the chairman of the review committee: Robert C. Wilkerson, Celanese Corp., of America, Post Office Box 8, Clarkwood. Tex.
1884
a
ANALYTICAL CHEMISTRY
