Infrared Quantitative Analysis Data. C-21. Determination of 2-Pentanol

Determination of 2-Pentanol and 3-Pentanol in Mixtures ... Base line. X. Point_. Calculation: Inverted matrix_. Successive approx._. Graphical. X. Rel...
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Determination of 2-Pentanol and 3-Pentanol in Mixtures cs-21

W. H. WASHBURN, Abbott Laboratories, North Chicago, 111.

I

Component No.\

1 Formula

Name

l lA

Range

%

Slit IXorvl ccuracy 6.1. 1 % Pts.

(mm) or

I

AX

Av

Determination of Diethyl Malonate in Diethyl Ethylmalonate

1l

AX

Component

C~H1204

& l 14.83

40-100

Instrument: Perkin-Elmer Model 21, NaCl prism Somple Phase: Solution in carbon disulfide

Cell Windows: NaCl Absorbance Measurement:

Cell Windows: NaCl Absorbance Measoremenh Base I i n e X

Inverted matrixGraphical-

Successive a p p r 0 x . X

Relative Absorbances-Analytical

Calculation:

Motrix:

Inverted r n a t r i r GraphicalX

9.5p

1 2

0.458 0.250

Point-

Successive approx.-

10.8~

14.83~ 0.440

ComponentlX

0.109 0.376

1

Material Purity: Reference compounds 99+ % pure Comments: Automotic slit programming used because of rapid foll in source energy at this region.

% pure

Reference compounds 99+

Material Purity:

50 0.10

Matrix:

Relotive Absorbonces-Analytical

Component/X

length mm

0.975 0.174

Adjacent shoulders

Instrument: Perkin-Elmer Model 12C, NaCl prism Sample Phose: Solution in CC14 P o i n t 1

% VIV or

1 I 1 1 1 1 I Diethyl

:Elon-

Colculation:

Concn.

Slit

1

Base line-

CS-23

W. H. WASHBURN, Abbolt Laboratories, North Chicago, 111. Concn. %v/v el?;

Analysis of 2-Methyl-2-pentenal-propionaldehyde Mixtures R. T. SCHEDDEL and 1. R. KILEY, The D o w Chemical Co., Midland, Mich.

cs-22

Determination of Phenol, 2-Chlorophenol, 4-Chlorophenol, and 2,4-Dichlorophenol in 4-Chlorophenol R. T. SCHEDDEL and 1. R. KILEY, The D o w Chemical Co., Midland, Mich.

Slif Component

Accuracy

Range

75-100

2-Methyl-2.' CsHloO pentenal 1

11.0 ~

-----I

' 75-100

~

0.632 0.049

1

~

0-25

9.97 0.684 8.5- 10.051 10.5

10.51 5.70 IAdjacent shoulders

~

0.281 10.038

100 0.1

1 ~

1

h1.0

~

1

100 0.1

Calculafion:

Base I i n e X

Inverted matrixGraphicalX

100 0.1

9.13 10.590 100 8.5- 0.048 0.1 10.5 1 I

1

1

8.14 0.511

2

0,000

Maferial Purity:

9.53 0.554 0.000

1 1

Phenol

C6Hs0

-

I

%

1-5

i 10.2

1

10.2

1

1-5

4-Chloro-

4 ~

1

Slif or v

6.1.

(mm) AX or

Pts.

Av

Concn. mglml length mm

14.50 1.902 14-15 0.122

40

13.39 1.339 130.086 13.7

40

9.90 0.676

40

~

~

I

3

l

%

phenol

~

2,4-Dichlorophenol

CdisClO

90-

11.0

0.7 0.7

C6H4C1z0 ~

14.1 Instrument: Baird Associates Model A, NaCl prism Sample Phose: Solution in carbon disulfide

Calculation:

Point-

Range Accuracy

l__l-___-

Cell Windows: NaCl Absorbance Measurement:

Base l i n e - L

Inverted m a t r i x X Graphical-

Point-

Successive approx.-

Successive opprox.Relative Absorbancesa-Anolytical

Relative AbsorboncesQ-Analytical Matrix: ComponentlX

1

Component Name Formula

No.1

~

Instrument: Baird Associates Model A, NaCl prism Somple Phase: Solution in carbon disulfide Cell Windows: NaCl Absorbance Measurement:

I

~

----0-25

CS-24

1

100 0.1

~

~

~

1

AX or

9.53 8i05;5

1

~

6.1.

1 1 1

kl.0

75-100' 11.0

Propionaldehyde C3H60

(mm)

8.14 0.483 8.5- 0.044 10.5

~

-l-I-I-

X or v

Concn. mg/ml length

9.97 0.324 0.000

Componenf/X

5.70 0.000 2.030

9.13 0.051 0.329

Reference compounds 99 +yo pure

Relative absorbonces are given as the slope of the Beer's law concentration curves used expressed in terms of absorbance per 100% of constituent.

1 2 3 4 Material Purify:

14.50 3.900 0.050 0.013 0.000

Matrix:

13.39 5.082 9.580 0.000

9.90

13.85

0.000 0.000

0.746

0.000 0 * 000 0.000

0.000

0.000

4.295

Reference compounds 99 $% pure

a

156

ANALYTICAL CHEMISTRY

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