FACTOID # 172: The number of tourists in San Marino is almost 19 times the resident population.
 
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Encyclopedia > Picogram

The picogram is an SI unit of mass (symbol pg) defined as:


1 pg = 1 × 10-15 kilogram (1 × 10-12 gram)


A picogram is one trillionth (1/1000000000000) of a gram.


femtogram << picogram << nanogram


  Results from FactBites:
 
Gas Chromatography Mass Spectrometry: Introduction (297 words)
One picogram is the equivalent of one drop of detergent in enough dishwater to fill a trainload of railroad tank cars ten miles long.
Many of the pollutants found in air are present at concentrations lower than one picogram in a cubic meter of air.
It is important for an the instrument to be able to detect these low concentrations.
  More results at FactBites »


 

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