Description
Specifications Table
Product Name – Sodium carbonate, 99+%, for analysis, granular
Quantity/Pack Size – 1KG, 2.5KG, 5KG
Form – Granular
Grade – For analysis
Application – pH regulation, titration, chemical synthesis
Product Overview
Sodium carbonate (Na₂CO₃), also known as washing soda, is a high-purity (99%+) granular reagent designed for analytical applications. Its consistent composition ensures accurate results in titration, pH adjustment, and buffer preparation. The granular form dissolves rapidly in water, providing a stable alkaline solution without impurities that could interfere with sensitive tests. This grade is specifically processed to meet strict laboratory standards, minimizing trace metals and insoluble residues. The compound’s hygroscopic nature requires proper storage to maintain purity, making it a reliable choice for routine and specialized lab work. Its versatility extends to use as a primary standard in acid-base titrations due to its stable stoichiometry and resistance to decomposition under normal conditions. The product is packaged in airtight containers to preserve quality during transit and storage.
FAQs
1.What is the shelf life of this sodium carbonate when stored properly?
When kept in a cool, dry place with the container tightly sealed, the product retains its purity and efficacy for up to 3 years from the date of manufacture. Exposure to moisture can lead to clumping but does not significantly affect its chemical properties if dissolved before use.
2.Is this sodium carbonate compatible with glassware and standard lab equipment?
Yes, it is fully compatible with borosilicate glass and most lab-grade plasticware. However, prolonged contact with aluminum or other reactive metals should be avoided, as it may cause corrosion or unwanted reactions.
3.Can this grade be used for food or pharmaceutical applications?
This product is labeled for analytical use only and is not certified for food, pharmaceutical, or cosmetic applications. For those purposes, a food-grade or USP-grade sodium carbonate would be required.
4.What alternatives exist if I need a higher purity than 99%?
For ultra-high-purity requirements (e.g., 99.9% or ACS grade), specialized suppliers offer sodium carbonate with lower trace metal content and stricter quality control. These are typically used in trace analysis or semiconductor manufacturing.
5.How should I dispose of unused or expired sodium carbonate?
Small quantities can be neutralized with a weak acid (e.g., acetic acid) and diluted before disposal according to local environmental regulations. Large amounts should be handled as chemical waste and disposed of through authorized waste management services.
