Item

Standard

Testing results

Content     

99.0 %min

99.68%

Loss on drying 

≤2.0%

1.32%

The Acid & Alkalinity

≤0.2ml   

<0.2ml(on the principle of 0.1mol/l NaOH)

Appearance

Free flowing white powder

Passed the test  

Clarity of Solution

Clear & Colourless

Passed the test  

Chlorides

≤0.02%

<0.02%

Total Chlorine

≤0.03%

<0.03%

Heavy Metal 

≤0.001%

<0.001%

Arsenic  

≤0.0003%

<0.0003%

Mercury   

≤0.0001%

<0.0001%

Conclusion  

Qualified   

Packing & Delivery