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Moterial Purity: Pure liquid bromine dried with PsOs. Commenfs: Calibration standards are prepared by crushing ampules containing known amounts of wat...
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atsr in Liquid Baomino IW, The Dew Cheinlcal e., MMIand, Mlth.

CW6

Comgonenf Name Formulo

1

IWatei

AX or

Ionge A ~ u r o c y B.L.

I 1 % -----1 H& 1 0-100

No.

I

I

%

Concn. mu/ml length em

Slit (mm)

X or*

RI.

AV

A0.5 1 2 , 6 7 0.090 2.53.0

Concn.

No.

Full strength

Colculotion:

inverted m a t r i r Grophicai-X

I

1.0

0.047

Point-

Celt Windows: NaCI Abrorbance Measurement: Bare line& Calculation: Inverted m a t r i r GrophicolX

Relalive Abrorbancera-Analytical Molrix:

2.671 0.636

1

mg/ml length mm

(mm)

Inrfrument: Baird Model AB.1, normal slit program Sompk Phase: Sotuflon in carbon disulfide

Successive opprox-

Component/A

stit

o/o % Ph. AX -----

7 -

fnrfrumentt Perkin-Elmer Model 12, NaCl prism Sompfe Phase: Full strength Cell Windows: Quartz Abrorbance Mearursment: Bore line&

Range Accuracy

Cornpornnl formuh

1 Namo

X B.L.

Relative Absorboncesn-Analylical

PointSuccessive approx-

Motrix:

8.40~

Componenf/X

Moterial Purity: Pure liquid bromine dried with PsOs Commenfs: Calibration standards are prepared by crushing ampules

containing known amounts of water In weighed amounts of dry liquid bromine.

Material Purify:

Relative absorbance is given as the stope of the Beer's low concentration curve used expr'essed in terms of absorbance per 100% of constituent.

Commentr:

0

d Maph!helrne in Cracked 7 - M ~ ~ ~ ~ ~ ~ a ~ ~ JAM DREXLER, R w w r e h Depl., Lion Qii Divlalon, Monsanto

0.900

1

Reference compounds 95 to 99% pure Calibrotion mohrlols checked b y chemical alkoxy analysis.

0 Relative absorbances are given os the slope of the Beer's law coneentrotlon curves used expressed in terms of absorbance per 100% of con. rtituent.

Determination

Chemicol Ca., El Dorsdo, Ark.

I

~

I

No./

2

'I 1

Component Name 1 Formula

;

1

Range

%

Accuracy

%

t

h

~

~

~

~

CS-37

-

I Xorv I

Slit (mm)

Concn,

1.1. Pts.

AXor AV

lengfh mm

1

~

%

Component

I _

100 0.050 1-Methylnophthalene

I CxoH;CHa

100 0.050

j

Cell Windowr: NoCI Abrorbancs Meoruremenh Base lineCrrfculafian: inverted matrlxGrophicallL Relafive Abrorbanees'-Analyticof

Component/X 1

2

B.L.

%

Pts.

1

5 iCumene

1

CtHlg

1

I

0-30

5.55 /0,060 100 12 10.025 I 0.05 1 _________ -1 10.5 9 . 5 8 ' 0.125 100 0.029 0.65

1

~

Instrument: Perkin-Elmer Model 21, NaCl prim Somple Phase! Llquld, full strength

Point& Succerrive 0 p p r o x . X -

Cell Windowr: NoCl Abrorbonco Mearuramrnt: Cckulafion:

Mafrlxr

9.95 2.175 0,290

Aecumey

Concn, mg/mi length mm

. _ I

I

Inrfrument: Perkln-Elmer Model 21, NaCl prlrm Sampk Phose: Liquid

Slit (mm) AA or Au

Xorv

9.87 0.170

0,910

Bose line-

Inverted m o t r i r Grophical1

Point-L

Successive appron.-

Relative Abiorbancesa-Analyticol Motrix:

Componmt//X

5.55

1

0 :124 0.007

2

'

9.58 0.080 0,728

Rewyitollized naphthalene. Eastmon 1.methylnophIhaiene (assumed 100% purity) Comments: When same componentr are determined In aromatic con. cmtroter, the base4ne denslty method Is used for absorbonce meoiurementi. Sltght devlaflon from Beer's law necessltates use of graph,

Motrrial Purify: Reference compounds, 99 +% pure Cornmenfit Zero ttonsrnlMance s M n g by method of Perry, Eoln, and Trover, Appt. Spocfrorcapy IO, 191 (1956).

e leiotive abmrbonees are glven os the slope of the Beer's l o w con. centrofim curves used sxpreried in terms of obmrbance per 100% of cwrstituent.

5 Relottve absorbances are given as the slope of the Beer's low ro1* contratlon curves used errpreoed In terms of absorbance per 100% Of conrtttuent.

Moferiat Purity:

VOL, 30,

NQ.

4, APRIL 1958 e

5$9