Deionized Water – Solvent
Ultra-Purified Water for Laboratory and Analytical Applications
Deionized Water (DI Water) is a highly purified solvent produced by removing dissolved ions such as salts, minerals, and charged particles through ion-exchange processes. Widely used across laboratory environments, DI water serves as a reliable base for solution preparation, dilution, rinsing procedures, and analytical applications where ionic contamination must be minimized.
Presented in liquid form for laboratory use, deionized water is essential in experiments requiring consistent purity, reproducibility, and compatibility with a wide range of compounds and reagents.
Common Applications
- Solution Preparation and Dilution
- Analytical and Laboratory Testing
- Equipment Rinsing and Cleaning
- Buffer and Reagent Preparation
- General Laboratory Use
Product Specifications
| Specification | Detail |
|---|---|
| Product Type | Solvent |
| Chemical Name | Deionized Water |
| Abbreviation | DI Water |
| Form | Liquid |
| Purity | Ion-Free (Low Conductivity) |
| Conductivity | Typically ≤1–10 µS/cm (varies by grade) |
| Chemical Class | Purified Water |
| Storage | Store in Clean, Sealed Containers |
Key Properties
- Free of dissolved ions and mineral contaminants
- Low electrical conductivity
- Neutral solvent compatible with most compounds
- Essential for controlled laboratory environments
- Ideal for reducing interference in analytical procedures
Research Overview
Deionized water is a foundational solvent in laboratory settings, used in nearly all aspects of scientific research requiring high purity and consistency. Its absence of ionic contaminants ensures accurate experimental results and reproducibility across studies.
Areas of scientific use include:
- Analytical chemistry and testing
- Solution and buffer preparation
- Laboratory cleaning and rinsing
- Reagent preparation
- Controlled experimental environments
Deionized Water vs Related Solvents
Deionized Water vs Distilled Water
Deionized water removes ionic impurities, while distilled water removes a broader range of contaminants through vaporization and condensation processes.
Deionized Water vs Ultrapure Water
Ultrapure water undergoes additional purification steps (e.g., filtration, UV treatment), resulting in even lower levels of contaminants compared to standard DI water.
Frequently Asked Questions
What is deionized water used for in research?
It is commonly used for solution preparation, dilution, analytical testing, and laboratory cleaning where ionic purity is required.
Is deionized water the same as distilled water?
No, while both are purified, deionized water removes ions specifically, whereas distilled water removes impurities through distillation.
How should DI water be stored?
Store in clean, sealed containers to prevent contamination from air and surfaces.
