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During your academic and professional journey, you might encounter the term PPM, but do you understand what PPM stands for? What is its abbreviation? Let's delve into exploring the abbreviation PPM in the article below.
Below, the article shares with you the meanings of PPM. Join us as we delve into it.
PPM stands for the English term parts per million, which means one part in a million.
PPM is an incredibly small measurement unit, used for densities typically associated with relatively low densities. Due to its minute size, PPM is primarily utilized as a measurement unit for metals and rare gases.
The value of PPM is:
P
It typically represents the ratio of the amount of a substance to the total amount of the mixture containing that substance. Here, the amount can be understood as mass, volume, number of particles (moles),... In the case of a substance being considered extremely dilute, when the concentration is only 1ppm, it corresponds to 1 milligram per liter of liquid or per kilogram.
1 PPM equals 1 milligram per kilogram or 1 milligram per liter.
Moreover, PPM is an image file format where a PPM file is a 24-bit color image formatted using a text format. It stores each pixel with values from 0 to 65536 pixels to determine the pixel's color.
PPM files also store the height and width of the image, whitespace data, and maximum color value. This format employs a non-compressed and less efficient approach compared to other bitmap image formats, hence it is rarely used for storing large images.
Here, Mytour has shared with you two meanings of the PPM abbreviation: a measurement unit and also an image storage format. Hopefully, through this article, those unfamiliar with PPM will gain a clearer understanding of this abbreviation.
