Measurand Information Infrastructure
Links
Mlayer API
MII Measurand Taxonomy
BIPM SI Digital Framework
Schemas
MII model
Quantity model
Quantity model extended
Measurand model
Catalogues
Represented quantities
Aspects
Scales
Measurand taxonomy
Export taxonomy
KCDB CMCs
AUV
EM
Length
Mass
PR
Temperature
Time & Frequency
Unit: parts per trillion
JSON
Identifier:
UN1510
Name:
parts per trillion
Symbol:
ppt
Reference: