However the range of natural abundance for the isotopes is such that the standard abundance can only be given to about 0.001% (see table).
Despite its natural abundance, aluminium has no known function in biology.
Stable Ge is the most common isotope, having a natural abundance of approximately 36%.
Ge is the least common with a natural abundance of approximately 7%.
Madeira's natural abundance lies behind another new trend on the island.
Its natural abundance is in the range of 10-52 ppm.
Synthetic routes to yuehchukene have been developed due to its low natural abundance.
In these materials, deviations from "natural abundance" are sometimes measured in factors of 100.
The continent's natural abundance and human poverty simply raise the stakes.
And Japan had to import so much else; only coal was in natural abundance.
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