The same process exists in seawater, in which 44Ca/40Ca has a tendency to increase when the rate of removing of Ca2+ by mineral precipitation exceeds the input of recent calcium to the ocean. In 1997, Skulan and DePaolo introduced the 1st evidence of alter in seawater 44Ca/40Ca more than geologic time, in addition to a theoretical rationalization o
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† HAA5 is often a contaminant group that includes monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, monobromoacetic acid and dibromoacetic acid. HAA9 is really a contaminant group that features the chemical compounds in HAA5 and bromochloroacetic acid, bromodichloroacetic acid, chlorodibromoacetic acid and tribromoacetic acid.The