CHLORO AURIC ACID TRIHYDRATE

REF.NO: 60-10-019-00

A

FORMULA : HAuCl4.3H2O

F. Wt  : 393.83

B

                                        SPECIFICATIONS

1

Appearance

Orange powder highly hygroscopic

2

Assay :As Gold (Au2+)

Min  : 49%

3

Insolubles in water

Max : 0.02%

4

Insolubles in ether

Max  : 0.1%

5

Alkalies & other metals (as sulphates)

Max  : 0.2%

6

Reaction with Ammonium thiocyanate

Clear and Colour less

7

Practical test

Passes the test

C

Quantity of sample required for test

10 gms

 

D

 

Mode of  packing

Wide mouthed air tight brown glass bottles with polythene insert and polythene screw cap. The bottle can be completely covered with a black polythene cover and sealed at the top