CHROME ALUM
                                                                       
REF.NO: 60-10-021-00

A

FORMULA  :
Cr K(SO4)2.12H2O

F. Wt  : 499.42

B

                                        SPECIFICATIONS

1

Appearance

Reddish purple crystals

2

UV- Vis spectrum of 1% aqueous solution

To match the control curve. Absorbance ratio at 406 / 574 is 1.14- 1.16

3

Assay ( as KCr (SO4) 2. 12 H2O

Min   :  98%

4

Water insoluble

Max  : 0.01 %

5

Chlorides

Max  : 0.002 %

6

 Iron

Max  : 0.01%

7

Practical test

Passes the test

C

 Quantity of  sample required for test

500 gms

D

Mode of packing

PE container with PE screw cap closed to air tight.