parts per million, 1 part per 1 million parts. Measure of the degree of impurities in solid bodies, liquids and gases.
parts per million, 1 part per 1 million parts. Measure of the degree of impurities in solid bodies, liquids and gases.
Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.