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fraction > parts per trillion
PREFERRED TERM
parts per trillion  
TYPE
  • unit

BROADER CONCEPT
CODE
  • [pptr]
CODE
  • [PPTR]
ISMETRIC
  • no
VALUE
  • 1 in 10*-12
BELONGS TO GROUP
URI
http://urn.fi/URN:NBN:fi:au:ucum:r45
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