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Sunday, July 20, 2008

What is EDTA?

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EDTA is a widely-used abbreviation for the chemical compound ethylenediaminetetraacetic acid. Synonyms

EDTA is also known as H4EDTA, diaminoethanetetraacetic acid, edetic acid, edetate, ethylenedinitrilotetraacetic acid, celon A, gluma

cleanser, versene acid, nervanaid B acid, nullapon B acid, ethylene diamine tetracetic acid, tetrine acid, trilon BS, vinkeil 100, warkeelate acid, N,N'-1,2-ethanediylbis(N-(carboxymethyl)glycine)edetic acid, YD-30.


Uses
  • Detergents: complexation of Ca2+ and Mg2+ (reduction of water hardness).
  • Textile industry: complexation of heavy metals, bleach stabilizer.
  • Food: added as preservative to prevent catalytic oxidation by metal ions or stabilizer and for iron fortification.
  • Approved by the FDA as a preservative in packaged foods, vitamins, and baby food.
  • Personal care: added to cosmetics to improve product stability.
  • Oil production: added into the borehole to inhibit mineral precipitation.
  • Dairy and beverage industry: cleaning milk stains from bottles.
  • Recycling: recovery of lead from used lead acid batteries.
More information at Wikipedia

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