EDTA Di Sodium Salt
The Disodium salt of EDTA is the most commonly used form of this versatile organic complexing agent.
EDTA is the commonly used abbreviation for (Ethylenedinitrilo) tetraacetic Acid (also called Ethylenediaminetetraacetic Acid or Edetic Acid).
The Disodium salt of EDTA is the most commonly used form of this versatile organic complexing agent, which is used for the determination of many metal ions either by direct titration or by back-titration. Adjustment of reaction conditions, either by controlling the pH or by use of masking agents, and selection of the appropriate indicator permits a wide variety of metal ions to be determined using EDTA.
Molarity is best used in expressing EDTA concentration, because the reaction involves the complexation of one metal ion by one EDTA molecule or ion, whether the free acid form of EDTA or one of its more soluble Sodium salts is used. The general reaction involving the Disodium salt is:
EDTA2- + Mn+ → [EDTA-M]+n-2
where M = Ca, Mg, Cd, Mn, Ni, Al, Zn, Bi, Co, Cu, or other metal ion
An indicator is added that forms a colored complex with some of the metal ion being determined. When the endpoint is reached, all of the free metal ion has been complexed by the EDTA. The last addition of EDTA then removes the metal ion from its complex with the indicator, producing a color change. The relative strength of the EDTA-metal ion complex compared to that of the indicator-metal ion complex determines whether a direct titration or a back-titration is applicable.
EDTA is most commonly used to determine hardness (i.e., Calcium and Magnesium ions) in water, where the pH must be approximately 10 and is usually controlled by adding a buffer such as Water Hardness Buffer. Water Hardness Indicator (Eriochrome Black T), Eriochrome Blue Black R, Calmagite, and Murexide are used for hardness or Calcium determinations using EDTA.
Manufacturer supplier and exporter of EDTA Disodium salt in India. EDTA Disodium salt is also known as EDTA acid Disodium salt, EDTA Di Sodium salt and EDTA di-Sodium salt.
Manufacturing Capacity of EDTA disodium salt or EDTA disodium salt dihydrate - We can manufacture around 20 MT per month of EDTA disodium salt or EDTA disodium salt dihydrate.
EDTA and EDTA Disodium salt manufacturer India. supplier in Mumbai, Gandhidham, Chennai, Visakhapatnam, Kolkata, Fujairah, Dubai, Sharjah, Abudhabi, Ajman, Muscat - Oman.
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Phosphates - Potassium and Sodium
Acids - Boric, EDTA, Hydriodic, Sulphanilic, 5-Sulphosalicylic
Chemical Solutions (CVS - Concentrated volumetric solutions)
Starch - potato starch, starch soluble
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EDTA cas no : 6381-92-6
EDTA chemical Formula : [(HO2CCH2-)(NaO2CCH2-)N-CH2]2·2H2O
