NANOTECHNOLOGY: SIZE OF A NANOPARTICLE


Kilogram, milligram, and microgram science has been the standard until the recent introduction of nanogram and pictogram technology.

Picogram technology is the next frontier following Nanogram technology. Picograms are infinitely smaller than nanograms, requiring more sophisticated manufacturing techniques.

Mass (by weight) Units
International System of Units/Metric System

1 kilogram 1000  grams (g)
1 milligram (mg)   0.001g
1 microgram (mcg) 0.000001 g
1 nanogram (ng)    0.000000001 g
1 picogram (pg)    0.000000000 001 g (1 trillionth of a gram/1 to the minus 12th/g)
   
milligram = 10 to the minus 3 grams
microgram = 10 to the minus 6 grams
nanogram = 10 to the minus 9 grams
picogram = 10 to the minus 12 grams
   
1 nanogram/g = 1 ppb (part per billion)
1 picogram/g  = 1 ppt (part per trillion)

 

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