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.
