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It refers to a concentration ratio.

x parts per million means than in every million units of measure of the total, x units are of the substance of interest and (1 million - x) of other substances.

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Q: What does The term parts per million refers to?
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What is the full form of ppm in gas?

Parts per million (ppm) in gas refers to the measurement of concentration of a particular gas in the air. It represents the ratio of the volume of the gas to the total volume of the air, expressed in parts per million.


How much is 10 parts per million?

If you have 1 million parts of something 10 parts would be 10 parts per million. If you had 2 million parts of something 20 parts would be 10 parts per million.


What is the abbreviation for parts per million?

parts per million = ppm


How do you convert parts per thousand into parts per million?

-- take the number of parts per thousand-- multiply it by 1,000-- the answer is the number of parts per million


How many PPM is 4.8 milligrams per liter?

There are one million milligrams in one liter. 4.8 milligrams is 4.8 parts per million (parts per million) There are one million milligrams in one liter. 4.8 milligrams is 4.8 parts per million (parts per million)


What parts per billion or parts per million is nickel?

Nickel is an element. Therefore, in any nickel item it is 1 billion parts per 1 billion or 1 million parts per million.


Is ppm used to express concentration?

Parts per Million and Parts per Billion. Parts of a solute per Million parts of the Solvent.


When was More Parts per Million created?

More Parts per Million was created in 2004.


Is one percent 1000 parts per million?

1% is 10,000 parts per million.


24.981 pounds per gallon equals how many parts per million?

Pounds per gallon do not convert into parts per million since different types of substances would have a different weight per gallon for the same amount of parts per million. For example, 1000 parts per million of mercury weighs more than 1000 parts per million of oxygen.


What are the names of the gases in racing car tires?

Air is contained in Tires Air contains. Nitrogen N2 78.084% 99.998% Oxygen O2 20.947% Argon Ar 0.934% Carbon Dioxide CO2 0.033% Neon Ne 18.2 parts per million Helium He 5.2 parts per million Krypton Kr 1.1 parts per million Sulfur dioxide SO2 1.0 parts per million Methane CH4 2.0 parts per million Hydrogen H2 0.5 parts per million Nitrous Oxide N2O 0.5 parts per million Xenon Xe 0.09 parts per million Ozone O3 0.07 parts per million Nitrogen dioxide NO2 0.02 parts per million Iodine I2 0.01 parts per million Carbon monoxide CO trace Ammonia NH3 trace


What does ppm stand for in science?

ppm stands for parts per million, which is a unit used to describe the concentration of a substance in a solution. It indicates the number of parts of a substance per one million parts of the solution.