Infrared Quantitative Analysis Data. C-61 Determination Of Trans

Infrared Quantitative Analysis Data. C-61 Determination Of Trans Unsaturation (Expressed as % Trielaidin) in Triglycerides. J E. Callen, and Z T. Pace...
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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