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Ammonium
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Chloride
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Chromatography
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Comment
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Depth
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Fluoride
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Greenland
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ICEDRILL
Ice core
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Ice drill
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Ion concentrations
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Laboratory
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Lithium
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Magnesium
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Methanesulfonic acid
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NGRIP
1
NGRIP1
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Nitrate
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North Greenland Ice Core Project
1
NorthGRIP
1
NorthGRIP ice core
1
Potassium
1
Sodium
1
Sulfate
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bottom/max
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impurities
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top/min
1
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