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The name "calcium" itself derives from the Latin word calx "lime". [34] Vitruvius noted that the lime that resulted was lighter than the original limestone, attributing this to the boiling of the water. In 1755, Joseph Black proved that this was due to the loss of carbon dioxide, which as a gas had not been recognized by the ancient Romans. [39]
Template: Calcium compounds. ... Download as PDF; Printable version; In other projects ... This page was last edited on 9 September 2024, ...
The US Institute of Medicine (IOM) established Recommended Dietary Allowances (RDAs) for calcium in 1997 and updated those values in 2011. [6] See table. The European Food Safety Authority (EFSA) uses the term Population Reference Intake (PRIs) instead of RDAs and sets slightly different numbers: ages 4–10 800 mg, ages 11–17 1150 mg, ages 18–24 1000 mg, and >25 years 950 mg. [10]
For example, for calcium the U.S. Food and Drug Administration set the recommended intake for adults over 70 years at 1,200 mg/day and the UL at 2,000 mg/day. [19] The European Union also sets recommended amounts and upper limits, which are not always in accord with the U.S. [ 20 ] Likewise, Japan, which sets the UL for iodine at 3000 μg ...
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Download as PDF; Printable version; In other projects ... 20 Ca calcium; use: 1757 K: 1484 °C: 2703 °F ... This page was last edited on 15 August 2024, ...
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Usually parameters reproduce the value, and the template adds the SI unit or additional standard text. While the topic is technical, we can strive to make the result readable text, and even verbose. For example, this is why the template writes "(at 0 °C)". For this, you may want to experiment with parameter input too - or propose improvements.