[Hana]

In scientific papers (mainly environmental science) the concentration is often expressed as "mu g/L";
what exactly the "mu" means? Does this expression stands for micro-gram per liter? Can I always use the word "mu" instead of the lower case Greek letter Mu?

[Arkcon]

 Yes, we use the Greek letter mu - μ to mean the prefix micro. It may be a convention just for environmental science, or a convention for the publisher of the particular journal, all intended to make it easier for authors and publishers.

[EDIT]

And I see you've already asked this question elsewhere on this board... Hana: don't do that, it messes up the forums.  You have, by the time stamp, already asked, gotten an answer, and responded to the answer.