ACTRIS Vocabulary
mass concentration
perfluorononanoic acid
Mass concentration means mass per unit volume and is used in the construction mass_ concentration_ of_ X_ in_ Y, where X is a material constituent of Y. Precipitation is liquid or frozen water that forms in the atmosphere and falls to the earth. It comes in many forms, like rain, snow, and sleet. The chmical formula for perfluorononanoic acid is C9HF17O2. It belongs to the group of persitent organic pollutants (POPs) known as polyfluoroalkyl substances (PFAS). The IUPAC name is 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononanoic acid
precipitation perfluorononanoic acid mass concentration
precipitation phase
precipitation variables
variable
Observation Matrix
Object Of Interest
Observed Property