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PPB definition: parts per billion | Meaning, pronunciation, translations and examples
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.
Learn the definition of 'Parts Per Billion'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'Parts Per Billion' in the great English corpus.
parts-per-billion translation in English - English Reverso dictionary, see also 'parts, part-writing, parser, Parts of Holland', examples, definition, conjugation
parts per million. In the past few years, atmospheric carbon has continued its upward climb and now averages over 400 parts per million. From The Atlantic. Levels above 1,000 and 3,000 parts per million are considered as brackish and moderately saline, respectively. From Phys.Org.
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