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- EDTA Pure Acid
- EDTA DiSodium
- Di Sodium EDTA
- EDTA Tetra Sodium Salt
- EDTA Tetra Sodium
- Tetra Sodium EDTA Salt
- EDTA Calcium Disodium
- EDTA Diammonium
- EDTA Ferric Ammonium
- EDTA Iron
- EDTA Magnesium
- EDTA Manganese
- EDTA Tripotassium
- EDTA Zinc
- EDTA Di-Sodium Salt
- Di-Sodium EDTA Salt
- Disodium Dihydrogen Ethylene Diamine Tetra Acetate
- Tetra Sodium EDTA
- E-Ethylenediaminetetraacetic Acid, Tetrasodium Salt
- EDTA Calcium
- EDTA Copper
- EDTA Ferric
- EDTA Ferric Sodium
- EDTA Ferrous
- EDTA Tetraammonium
- EDTA Triammonium
- EDTA Trisodium

  EDTA Ferrous

Overall reaction:
2H4EDTA + Fe2(SO4)3 + Na2SO4 + 4Ba(OH)2 o 8H2O --> 2FeNaEDTA + 4BaSO4 + 16H2O

Like the acid-base reaction above, this reaction requires some stoichiometry to calculate the correct amounts of reactants to use. Note that the molar mass of the EDTA acid is 292.24 g and the molar mass of the EDTA iron is 367.05 g. For example, if you need 7.9 g of EDTA iron:

  EDTA Magnesium

You may not be able to find EDTA irn or other chelated iron in your chemistry lab, and it is pretty expensive to buy from a chemical supplier. However, there is a way to make the chelated iron in the lab if you have EDTA acid, which is somewhat easier to find.

the following process was invented by josh porter in the north hunterdon high school chemistry lab. Although it seemed to work pretty well, it is still considered experimental, and the product should be tested after the reaction is complete to make sure the process worked correctly.

  EDTA Tetraammonium

Tetraammonium EDTA chelating agent is an aqueous solution of the tetraammonium salt of ethylenediaminetetraacetic acid.

Active Ingredient Name Tetraammonium ethylenediaminetetraacetate
CAS Number 22473-78-5
Chemical Formula C10H28N6O8 or
Molecular Weight 362.2
Other Names (NH4)4 EDTA

  EDTA Manganese

Name Manganese disodium EDTA trihydrate
Synonyms EDTA manganese(II) disodium salt trihydrate; Ethylenediaminetetraacetic acid manganese disodium salt trihydrate
Molecular Formula C10H12N2O8MnNa2.3(H2O)
Molecular Weight 443.18
CAS Registry Number 15375-84-5