Potassium Sulphate ER Qualigens, 500g

• Purity: Generally 98.5% to 99.0% on a dry weight basis.
• pH Level: A 5% aqueous solution has a typical pH range of 5.5 to 8.5.
• Melting Point: 1069C
• Solubility: Soluble in water (approx. 110-120g/L at 20C), but insoluble in ethanol.
• Impurities: Highly controlled, with maximum limits placed on heavy metals, iron, and insoluble matter to ensure analytical reliability

Q: How should Potassium Sulphate ER Qualigens be stored for maximum shelf life?

A: To achieve its optimal 60-month shelf life, store Potassium Sulphate ER Qualigens in its original, tightly closed plastic bottle in a cool, dry place, away from moisture and incompatible substances.

Q: What are the primary laboratory uses of Potassium Sulphate ER Qualigens?

A: This compound is primarily used in analytical chemistry, reagent preparation, fertilizer analysis, and buffer solutions, owing to its high purity and stability.

Q: When is Potassium Sulphate ER Qualigens preferred over other potassium salts?

A: It is chosen when a chloride-free potassium source is needed, especially in sensitive laboratory testing and research where the presence of other ions could affect outcomes.

Q: Where does the white, odorless crystal appearance benefit laboratory work?

A: Its white, odorless crystals ensure visual confirmation of purity, facilitate easy handling, and prevent interference from colored or volatile impurities during experimental procedures.

Q: What is the process for safely handling Potassium Sulphate ER Qualigens in the lab?

A: Use standard laboratory PPE-gloves, lab coat, and safety goggles. Avoid inhalation and contact with eyes or skin, and handle the powder in a well-ventilated workspace.

Q: How does the ER grade of this product ensure reliable experimentation?

A: ER (Extra Pure Reagent) grade signifies stringent quality standards, minimizing contaminants and maximizing consistency for high-accuracy quantitative and qualitative analyses.

Q: What benefits does the plastic bottle packaging offer compared to glass containers?

A: The plastic bottle is lightweight, shatter-resistant, and protects the chemical from light and moisture, improving user safety and preserving the integrity of the reagent.