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EDTA: Difference between revisions
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[[Image:EDTA.png|right|thumb|200px|chemical structure of '''EDTA''' - ethylene-diamine-tetraacetic acid]] | [[Image:EDTA.png|right|thumb|200px|chemical structure of '''EDTA''' - ethylene-diamine-tetraacetic acid]] | ||
[[Image:EDTA with ligand.png|right|thumb|200px|'''EDTA''' (black) with coordinate bonds to a metal ion (red)]] | |||
'''EDTA''' stands for '''ethylene-diamine-tetraacetic acid'''. It chelates divalent cations and is therefore used in many buffers. Its relative [[EGTA]] has a higher affinity for calcium than EDTA. | '''EDTA''' stands for '''ethylene-diamine-tetraacetic acid'''. It chelates divalent cations and is therefore used in many buffers. Its relative [[EGTA]] has a higher affinity for calcium than EDTA. | ||
