Infrared Quantitative Analysis Data. CS-5. Determination of 2,4

Infrared Quantitative Analysis Data. CS-5. Determination of 2,4-Dichlorophenol, 2,6-Dichlorophenol, 2,4,6-Trichlorophenol, 2,3,4,6-Tetrachlorophenol, ...
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Determination of 1,2-Epoxy-2-MethyIpropane in Mixed Epoxybutanes 1. R. KILEY, The D o w Chemical Co., Midland, Mich. ~~

~~

cs-4

~~

I

Componenf

_______

- ._____

1.

1.2-Epoxy-2methylI propane '

' ______

~~~~

phenol

0.0691 0.6

lnstrument: Perkin-Elmer M o d e l 1 12, KBr prism Sample Phase: Full strength Cell Windows: KBr Absorbance Measurement: Calculation:

Calculation:

Inverted Matrix-G r a p hica I-_

Matrix:

ComponentlX

14.5

9.7

9.1

1.

1.060 0.088 0.040 0.029

0.145 0.654 0.040 0.025

0.070

4.

14.55 2.230

Material Purify: Reference compounds 99 +yo pure Comments: Samples o f epoxybutanes, frequently containing water, should b e salted out with KBr prior t o loading into infrared cells. Other epoxybutones d o not interfere a t 1 4 . 5 5 ~ .

Point-X Successive A p p r o x . 2 -

Relative Absorbancesn-Analytical

2. 3.

Mafrix:

ComponenflX 1.

Base-Line---

"The relative absorbance is given as the slope o f the Beer's l a w concentration curve used expressed in terms o f absorbance p e r 1 0 0 ~ oo f constituent.

13.8 0.060 0.059 0.032 1.260

0.055 0.960 0.165

Point-

Successive Approx.---

Relafive AbsorbancesQ-Analyfical

Insfrument: Perkin-Elmer M o d e l 12, NaCl prism Sample Phose: Solution in corbon disulfide Cell Windows: N a C l Absorbance Measuremenf:

Base-Line-X

Inverted Matrix--G r a phica L A -

Material Purify: Reference compounds 9 9 +% pure Commenfs: Samples a r e melted and thoroughly mixed prior to preparing solutions.

Determination of 2,4-Dichlorophenol, 2,bDichlorophenol, 2,4,6-Trichlorophenolr 2,3,4,6-Tetrachlorophenol, and Pentachlorophenol in Higher Chlorophenol Mixtures R.

T. SCHEDDEL and 1. R.

KILEY, The D o w Chernicol Co., Midland, Mich.

cs-5

a Relative absorbances a r e given as the slope of the Beer's l a w concentration curves used expressed in terms o f absorbance per 100% o f constituent.

Concn. mg/ml lengfh mm

Slit

Component

fmm) Range 'Accuracy

Ah o r

8.1.

Av

0.550 10 0.099 0 . 6

Determination of Ethylbenzene, Styrene, and Vinyl Cyanide in Comonomer Mixtures

~cs-3

1. R. KILEY, The D o w Chemical Co., Midlond, Mich.

I I

Component No,

,

Name

Range IAccuracy

%

Formula

~______ I _ _ _ - _ _

%

I__--

orv 8.1. Pts.

1 ~

Slif

Concn.

(mm) AX o r

mglml

Av

mm

0.950 10 0.166 0.6

lengfh

0.800 10 0.140 0.6 ~

1.

2Zl.01 13.4 0.750 10

Ethylbenzene

C"'u 2.

0-50

,

I Vinyl cyanide

~

0.132

1.0

xkl.0 10.1 0.350 10 10.070 1.0

Styrene

I 3.

~

CJH3N

~

0-50

i, 2Z0.5

0.700 10 0.123 0.6

1

I

10.4 0.350 10 0.069 1.0 ~

I

Instrumenf: Perkin-Elmer M o d e l 12, N a C l prism Sample Phase: Solution in carbon disulfide

Insfrumenf: Perkin-Elmer M o d e l 12, N a C l prism Sample Phase: Solution in carbon disulfide

Cell Windows: NaCl Absorbance Measuremenf:

Cell Windows: N a C l Absorbance Measuremenf:

Calculafion:

Calculation:

Base-Line---

Inverted M a t r i x - L Graphical---

Relafive Absorbancesa-AnalyficaI

Point-X

Mafrix:

13.4

10.1

10.4

1.

0.577 0.028 0.019

0.028 0.780 0.244

0.049 0.049 1.636

3.

Inverse M a t r i x - X G r o p hica I-.--

Relative Absorbancesn-Analyfical

Successive Approx.---

Componenf/X

2.

Base-Line--

Point-X Successive Approx.-

Mafrix:

ComponenflX

12.3

13.1

13.7

13.3

13.0

1. 2.

0.591 0.060 0,203 0.201 0.012

0.020 0.982 0.032 0.098 0,229

0.158

0.028 0.098 0.041 0.464 0.029

0.016 0.000 0.029 0.059 0.581

3.

4. 5.

0.000

0.543 0.025 0.040

Reference compounds 9 9 +% pure

Material Purify: Reference compounds 9 9 +% pure Comments: Samples a r e melted and thoroughly mixed prior to preparing solutions.

Relative absorbances a r e given as the slope o f the Beer's l a w concentration curves used expressed in terms o f absorbance per 1007' o f constituent.

a Relative absorbances a r e given as the slope o f the Beer's l o w concentration curves used expressed in terms of absorbance per lOOqZ of constituent.

Maferial Purity: Commenfs:

VOL. 29, NO. 10, OCTOBER 1 9 5 7

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