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  1. Very low solute concentrations are often expressed using appropriately small units such as parts per million (ppm) or parts per billion (ppb). Like percentage (“part per hundred”) units, ppm and ppb may be defined in terms of masses, volumes, or mixed mass-volume units.

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  4. Use this concentration unit conversion tool to easily convert between parts per million (ppm), parts per billion (ppb), and parts per trillion (ppt). Essential for accurate and efficient concentration conversions in chemistry, environmental science, pharmaceuticals, and health safety.

  5. Definition. Parts per billion (ppb) is a unit of measurement used to express the concentration of a substance in a solution or mixture. It indicates how many parts of a substance are present in one billion parts of the total mixture, making it a vital metric for assessing trace amounts of gases and pollutants in the atmosphere.

  6. Mar 5, 2019 · PPB stands for parts per billion. One part per billion is one part of solute per one billion parts solvent . PPB is a commonly used unit of concentration for very small values.

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  8. Oct 3, 2024 · PPB is used to measure minute concentrations of pollutants like heavy metals in water or gases in the atmosphere. This calculator helps in determining trace concentrations and ensures precise measurements in scientific and industrial applications. Recommend.