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mg/kg to mg/m3

PostPosted: Sun Dec 18, 2011 12:25 pm
by Saquib
Please help in converting 40 mg/kg to mg/m3.

The surface area of particle is >50 m2/g, density is 6.67 g/mL at 25 °C(lit) and bulk density is 0.51 g/mL.