| NO3- | Cl- | Br- | I- | CO32- | SO42- | PO43- | CrO42- | OH- | S2- | |
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Na+
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K+
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NH4+
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Mg2+
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Ca2+
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Ba2+
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Al3+
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Pb2+
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Cr3+
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Mn2+
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Fe2+
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Co2+
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Ni2+
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Cu2+
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Zn2+
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Ag+
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Hg22+
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