10.0 g of soil containing N-nitrosodimethylamine (NDMA) was extracted by two portions of acetone (25 mL each). Extracts

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10.0 g of soil containing N-nitrosodimethylamine (NDMA) was extracted by two portions of acetone (25 mL each). Extracts

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10 0 G Of Soil Containing N Nitrosodimethylamine Ndma Was Extracted By Two Portions Of Acetone 25 Ml Each Extracts 1
10 0 G Of Soil Containing N Nitrosodimethylamine Ndma Was Extracted By Two Portions Of Acetone 25 Ml Each Extracts 1 (33.81 KiB) Viewed 45 times
10.0 g of soil containing N-nitrosodimethylamine (NDMA) was extracted by two portions of acetone (25 mL each). Extracts were combined to the final volume 42+2 mL and evaporated to the final volume 1.00+0.02 ml. Analysis of the evaporated extract by GC-MS showed NDMA concentration 27+1 ng/mL. Calculate NDMA concentration in soil sample and its uncertainty.
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