Assertion: seawater's part | /r/HasProperty | ppm
Facets:
Source sentences:
text: Bromine, accumulated after being leached from the land, is economically recovered from the Dead Sea, where it occurs at 55,000 parts per million (ppm).
text: Ore grades as little as 0.5 parts per million (ppm) can be economical.
text: The seawater's major components are usually defined as those ions present at greater than 1 part per million (ppm) or 1 milligram per liter (mg/L) (Table 2).
text: (Trace elements occur at concentrations of less than 1 part per million (ppm), or 1 milligram per kilogram of water.)
text: The total lithium content of seawater is very large and is estimated as 230 billion tonnes, where the element exists at a relatively constant concentration of 0.14 to 0.25 parts per million (ppm), or 25 micromolar; higher concentrations approaching 7 ppm are found near hydrothermal vents.
text: This may explain why most plants contain about 1 part per million (ppm) of titanium, food plants have about 2 ppm, and horsetail and nettle contain up to 80 ppm.
text: Fresh water can be defined as water with less than 500 parts per million (ppm) of dissolved salts.
text: Its use is highly technical and is usually monitored by government regulations (typically 1 part per million (ppm) for drinking water, and 1–2 ppm of chlorine not yet reacted with impurities for bathing water).
text: Soil contains an average of around 6 parts per million (ppm) of thorium.
text: Becquerels per kilogram (or gram) indicates level of radioactivity generally or due to a particular isotope, while parts per million (ppm) indicates the concentration of a specific radioisotope in the material.