What does parts per million mean

Dictionary Dictionary Term of the Day. Workplace Testing Terms. Follow Connect with us. Sign up. Thank you for subscribing to our newsletter! Connect with us. Term of the Day. Updated August 03, Featured Video. Cite this Article Format. Helmenstine, Anne Marie, Ph. Parts Per Million Definition. Calculating Concentrations with Units and Dilutions. Calculating the Concentration of a Chemical Solution.

Copper Facts: Chemical and Physical Properties. Freezing Point Depression Example Problem. An Overview of Commercial Lithium Production. Preventing Burst Pipes in Aging Buildings. Here's Why It Should Be. Hiring Contractors? Addressing Mental Illness and Workplace Safety. Risk Takers Wanted. Follow Connect with us. Sign up. Thank you for subscribing to our newsletter! Of course, if your phosphate level exceeds 1, ppb, you could use PPM. But generally, PPB is easier to use because phosphate levels should be kept below 0.

The standard unit of measurement in swimming pool chemistry is parts per million PPM. A thousand times a thousand equals one million, hence the term parts per million. Contact Dealer Locator. What does PPM mean? Go back to main blog. Volver al blog.

Parts per million? A million of what? Parts of what? PPM is the US standard unit of measurement in water chemistry. It tells us the density of a given substance dissolved in water.