What does TNPN stand for?
TNPN stands for "total non-protein nitrogen"
How to abbreviate "total non-protein nitrogen"?
"total non-protein nitrogen" can be abbreviated as TNPN
What is the meaning of TNPN abbreviation?
The meaning of TNPN abbreviation is "total non-protein nitrogen"
What does TNPN mean?
TNPN as abbreviation means "total non-protein nitrogen"
