Infrared Quantitative Analysis Data. CS-35. Analysis of Isobuteane and

given as the slope of the Beer's law concentra- tion curves used expressed in terms of absorbanceper 100% of constituent. Analysis ofIsobutone and Ace...
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Analysis of lsobutane and Acetylene R. M. GUEDIN, M. C. HARVEY, and R. C. WILKERSON Celanere Corp. of America, Clarkwood, l e x .

cs-35

I

1

Component

No.

-

Name

1

lsobutane

I----.-.-..--

2

n-Butane

~

I

No.' Formula

cm

~

1

C4Hlo

I

0-10

zt1.0

lsopentane

~

I

'

4

I

n-Pentone

0.281

Pt" C4H10 150-1008

11.0

I

3

8.45

CsHl2

CaHlg

1 ~

0-10 0-10

1

+l.O

1

zkl.0

1 I

~

j

10.30

1

9.80

I

10.90

0.438 0.086

I 0.389 0.079

1

~

0.495 0.093

2

1 3:x I

Base line-

Component/X

1 2 3 4 Material Purity:

8.45 0.728 0.012 0.210 0.040

4::

Calculation:

10.30 0.013 0.711 0.220 0.038

9.80 0.006 0.020 0.715 0.252

10.90 0.340 0.029 0.286 0.770

R, M. GUEDIN, M. C. HARVEY, a n d R. C. WILKERSON Celanere Corp. of America, Clarkwood, Tax.

C3H6

___

-1

3

Accu-

Component Name , Formula

2 1 Propene

iI

(2-Methylpropene) Isobutylene

4 5

1-Butene trans-?-Buteneb

6

454

cis-2-ButeneC

I

1

-I

~

X or

P

(mm)

or,;"

'

-l

13.35

I

I

~

0 900 0:157

I

160 10

Base line-

Inverted m a t r i A Graphical-

P o i n t X Successive approx.-

Matrix

ComponentlX

8.45

13.35

1 2

0.733 0.001

0.006 0.753

0-30

zt0.5

l-

ht;e;l

I

I

1

700 10

70

0.563

C4Hs

0.30 1 1 0 . 5 112.50

0.721 0.129

,

I

700 10

i *0.5 i 10.30

0.438 0.086 1

40 10

1.548 0.273

75 10

1

ClHs

ANALYllCAL CHEMISTRY

.

Instrument: Perkin-Elmer Model 12-C, NaCl prism Sample Phase: Gas

Calculation:

11.50

0-30

a Relative absorbances a r e given as the slope of the Beer's l a w concentration curves used expressed in terms of absorbance per 1 0 0 % of const it uent

Cell Windows: AgCl Absorbance Measurement:

0-30

1

k0.5

I

Concn.

5.25

I

--I

994-%

-

mm Hg

C&s

C4Hs

+0.5

Gas

Material Purity:

__-

~ I_ _ 0-30 1 1 0 . 5 5.50 0.224 0.081 -1

1

, cm _ Av

cs-34 Slit

C2H4

B.L. Pts.

Matrix:

~

I

0-100

Relative Absorbancesa-Analytical

Successive approx.-

99 +70

Ethylene

1

C2H2

Cell Windows: NaCI Absorbance Measurement:

Analysis of Ethylene,~-Propene, 2-Methylpropene1 1 Butene, cis- and trans-2-Butene

1

I

Concn.

1 mm H g AX o r 1 Length (mm)

Perkin-Elmer k a d e l 12-C, NaCl prism

Sample Phase:

Relative absorbances a r e given as the slope of the Beer's l a w concentration curves used expressed in terms of absorbance per 1 0 0 % of constituenl

No.

%

~

P o i n t X

Calculation: Inverted rnatriGraphicalRelative Absorbances"-Analytical

1

Acetylene

Instrument:

Instrument: Perkin-Elmer M o d e l 12-C, NaCl prism Sample Phase: Gas Cell Windows: AgCl Absorbance Measurement;

1

I

4:

~

%

Formula

_

200 10

Oz67

Range IAccurocyl

I

Name

Slit

X or v

~

Base line--

Inverted m a t r i x _ X Graphical-

Relative Absorbancesa-AnalyticaI ComponentlX

1 2 3 4 5 6

5.25 0.695 0.075 0.081 0.070 0,100 0.093

Material Purity:

5.50 0.141 0.775 0.108 0.979 0.074 0.087

P o i n t X Successive approx.-

Motrix:

11.50 0.180 0.250 0.690 0.132 0.022 0.029

12.50 0.078 0.063 0.106 0.681 0.071 0.092

10.30 0.212 0.242 0.008 0.107 0.770 0.151

14.70 0.009 0.010 0.006 0.035 0.015 0.740

99 +%

Relative absorbances a r e given as the slope of the Beer's l a w concentration curves used expressed in terms of absorbance per 1 0 0 % of constituent. Low. High.