|Item ||Standard||Test Results|
|Appearance||White Crystal Powder||White Crystal Powder |
|Assay %||99.0 min ||99.2 |
|Chloride (Cl) %||0.01 max||0.003|
|Sulfate (SO4) Content %||0.05 max ||0.015|
|Iron (Fe) %||0.001 max ||0.0001 |
|Lead (Pb) %||0.001 max ||0.0001 |
|5% solution||4.0~5.0 ||4.34 |
|Chelating value ||265 min ||266|
1. EDTA has a wide range of coordination properties and can form stable chelates with almost all metal ions. Advantages include providing a wide range of element determination possibilities (better than acid-base and precipitation methods). Disadvantages include easy interference between multiple components - selectivity
2. The coordination ratio between EDTA and the formed M-EDTA is mostly 1:13, and most chelates are charged, so they can dissolve in water and react quickly.
One of the significant uses of EDTA-2NA is in metal cleaning and plating processes. It is employed to remove unwanted metal ions, scale, and deposits from metal surfaces. By forming complexes with the metal ions, EDTA-2NA aids in their removal, resulting in cleaner and brighter metal surfaces. Moreover, it is also used in electroplating baths to enhance the deposition of metal coatings.
In the textile and dyeing industry, EDTA-2NA is utilized as a sequestering agent. It helps in controlling metal ions present in the dyeing process, preventing their interference with dyes and improving color retention. EDTA-2NA ensures better dye penetration and uniform color distribution, leading to enhanced dyeing efficiency and quality.
EDTA-2NA plays a crucial role in pharmaceutical and medical applications. It is used in chelation therapy to treat heavy metal poisoning, such as lead and mercury toxicity. By forming stable complexes with the toxic metal ions, EDTA-2NA helps in their removal from the body, reducing the harmful effects. Additionally, it is also utilized as a preservative in certain medications to prevent the degradation of active ingredients.
Water treatment processes rely on EDTA-2NA for its ability to sequester metal ions and prevent their detrimental effects. It is used in boiler water treatment to control scale formation caused by calcium and magnesium ions. Furthermore, EDTA-2NA finds application in wastewater treatment to remove heavy metals and facilitate the purification of water.
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A4: We will test the goods and issue COA before delivery.