How to calculate the actual concentration of heavy metal in soild sample after d

Question

How to calculate the actual concentration of heavy metal in soild sample after digestion ? For example : If I have powder sample wieght = 0.22 g , and I added 25ml of (8 Molar of HCl) and heated up until slight amount of liquid in the bottom of the baker. after digestion sample weight= 1.08 g, then I added 10ml of distilled water, and finally I run it using MP-AES . the instrument reading = 14.60 ppm of heavy element so how much the element concetration in this sample? How to calculate the actual concentration of heavy metal in soild sample after digestion ? For example : If I have powder sample wieght = 0.22 g , and I added 25ml of (8 Molar of HCl) and heated up until slight amount of liquid in the bottom of the baker. after digestion sample weight= 1.08 g, then I added 10ml of distilled water, and finally I run it using MP-AES . the instrument reading = 14.60 ppm of heavy element so how much the element concetration in this sample? How to calculate the actual concentration of heavy metal in soild sample after digestion ? For example : If I have powder sample wieght = 0.22 g , and I added 25ml of (8 Molar of HCl) and heated up until slight amount of liquid in the bottom of the baker. after digestion sample weight= 1.08 g, then I added 10ml of distilled water, and finally I run it using MP-AES . the instrument reading = 14.60 ppm of heavy element so how much the element concetration in this sample?

Explanation / Answer

The concentration of the heavy metal in the sample = 14.60 milligrams/ Litre

=0.0146 g/Litre

To find out the concentration of heavy metal in moles/L, divide (0.0146 g/ L ) by Mwt of heavy metal in g/mol

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