Description
Specifications Table
Product Name – EDTA disodium salt, 2H2O AnalaR NORMAPUR® ACS reagent, Reag. Ph. Eur.
Quantity/Pack Size – 1 kg
Form – Crystalline powder
Grade – AnalaR NORMAPUR®, ACS reagent, Reag. Ph. Eur.
Application – Chelating agent, complexometric titrations, metal ion sequestration
Product Overview
EDTA disodium salt, 2H2O AnalaR NORMAPUR® is a high-purity chelating agent widely recognized for its exceptional metal-binding properties. This ACS reagent-grade compound is manufactured to meet stringent quality standards, ensuring consistent performance in critical laboratory applications. The dihydrate form enhances solubility, making it suitable for aqueous solutions where precise metal ion control is required. Its AnalaR NORMAPUR® certification guarantees minimal impurities, while compliance with Reag. Ph. Eur. specifications ensures reliability in regulated environments. The crystalline powder form allows for accurate weighing and dissolution, with a stable shelf life when stored under recommended conditions. This reagent is particularly valued for its ability to form stable complexes with divalent and trivalent metal ions, preventing interference in analytical procedures. The product’s high solubility in water (100 g/L at 20°C) facilitates easy preparation of standard solutions, while its pH-dependent chelation properties enable versatile application across different experimental conditions.
FAQs
1. What is the solubility of this EDTA disodium salt in water?
This EDTA disodium salt has a solubility of approximately 100 g/L in water at 20°C, allowing for easy preparation of concentrated stock solutions.
2. How does the dihydrate form differ from anhydrous EDTA?
The dihydrate form contains two water molecules per EDTA molecule, which affects its molecular weight and solubility characteristics compared to the anhydrous version.
3. What is the typical pH range for effective chelation with this reagent?
Optimal chelation occurs between pH 4-12, though the effectiveness varies depending on the target metal ion and competing reactions.
4. Can this product be used for environmental sample preparation?
Yes, its high purity and ACS grade make it suitable for environmental sample preparation where metal ion interference needs to be controlled.
5. What storage conditions are recommended for maintaining product integrity?
Store in a tightly sealed container at room temperature, protected from moisture and light to preserve its chelating properties.
