The Interaction of Chromium(III) and Chromium(VI ... - ACS Publications

Edward L. King, and John A. Neptune. J. Am. Chem. Soc. , 1955 ... Journal of the American Chemical Society 1958 80 (19), 5011-5015. Abstract | PDF | P...
0 downloads 0 Views 525KB Size
81x6

EDWARD I

I

t

14

-

I

1

I

I

L.

KING

I

-+ 1

ili h

.

-I

0 L

-

-

E?.

c z

0 w

0

e w

P w

I

I

. _

,

!1 -

i"

I

I

ZOO0

4000

1600 F R E Q U E N C Y IN

Fig 1 -1nfrdred

1200

800

650

A

4000

2000

.

Y

spectia of [Ln(ent 1 3 ( H i ) . ' x lo-'. Fig. 1.--\'dues of AA/(Cr+++)(HCrO,-) werszis l / ( H + ) ; wave length = 700 m p ; ional concentration = 2.0: x, and 2.0 X values at (H+) = 5.0 X 10-3, 8.0 X from Table I (each point is average values for series) ; 0 ant1 9 distinguish cxpcritnents using different chromium( 111) perchlorate :,tock solutions 0

The direct proportionality between the absorhiicy enhancement and the concentration of chromium(III), the reagent in excess, pcrsists t o the highest concentrations of ~

~

~~~

1 1 3 ) C . P u s t n i u i a n d l