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I want to measure the amount of Lead Pb in a soil sample ? I have done...

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Chemistry

Iwant to measure the amount of Lead Pb in a soil sample ?
I have done all the digestion calculation and procedures and Iused only 2 grams of soil .
The instrument data gave me the following concentrations:
Sample of soil 1= 2.06 ug/L
Sample of soil 2= -1.18 ug/L
So how much Lead in one gram of soil?

How I know if it's high and above the limit of allowedconimination !?

Answer & Explanation Solved by verified expert
4.2 Ratings (862 Votes)
Ans Given Amount of soil samples taken for digestion 20 gram Final volume of digested sample made upto 250 mL Pb in soil 1 206 ug L Pb in soil 2 118 ug L Note concentration cant be zero 1 20 gm soil digestion final volume of aliquot is 250 mL Thus all of the Pb present in 20 g soil sample is now present in 250 mL of the final volume    See Answer
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