NO. 

PARAMETERS 

RESULT 

1 

APPEARANCE 

BLUE COLORED CRYSTALS 

2 

COPPER AS CU % 

25.03% MIN 

3 

NICKEL AS NI % 

0.0001 MAX 

4 

IRON AS FE % 

0.0020 MAX 

5 

LEAD AS PB % 

0.0001 MAX 

6 

CADMIUM AS CD % 

0.0001 MAX 

7 

ARSENIC AS AS % 

0.0001 MAX 

8 

MERCURY AS HG % 

0.0001 MAX 

9 

INSOLUBLE MATTER % 

0.02 MAX IN WATER 

10 

PH IN 5% SOLUTION 

3.50 MIN