농도환산. 60 μg/m3 = ? ppm

농도환산. 60 μg/m3 = ? ppm

 

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1 mg/L = 1 ppm ( 설명 http://ywpop.tistory.com/5345 )

이고,

 

1 μg = 0.001 mg

1 m^3 = 1000 L

이므로,

 

60 μg/m^3

= (60) (0.001 mg) / (1000 L)

= 6×10^-5 mg/L

= 6×10^-5 ppm

 

 

답: 6×10^-5 ppm