Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main page
Recent changes
Random page
Help about MediaWiki
Special pages
cernipedia
Search
Search
Appearance
Create account
Log in
Personal tools
Create account
Log in
ppm
Page
Discussion
English
Read
View source
View history
Tools
Tools
move to sidebar
hide
Actions
Read
View source
View history
General
What links here
Related changes
Printable version
Permanent link
Page information
Appearance
move to sidebar
hide
From cernipedia
Parts per million (10
−6
).
Category
:
Abbreviations
Search
Search
ppm
Add topic
