Chelators
DTPA
Diethylenetriaminepentaacetic acid
C14H23N3O10(MG: 393.35)
EDDHA, also EHPG
Ethylenediaminedi(o-hydroxyphenylacetic acid) or
N,N'-ethylenebis-2-(o-hydroxyphenyl) glycine
C18H20N2O6 (MG: 360,36)
EDTA
Ethylenediaminetetraacetic acid
C10H16N2O8 (MG: 292.25)
HEEDTA
N-Hydroxyethylethylenediaminetetraacetic acid
C10H18N2O7 (MG: 278.26)
NTA
Nitrilotriacetic acid
Tris(carboxymethyl)amine
N,N-bis(carboxymethyl)glycine
C6H9NO6 (MG: 191.14)