1. Product Overview & Specifications

Chromotropic Acid (CAS 148-25-4), also known as 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, is a specialized organic compound widely used in analytical chemistry and industrial processes.

Key Specifications:

2. Key Applications

• Analytical Chemistry: Critical for colorimetric determination of nitrates in water (ISO 23696-2:2023).
• Industrial Processes: Used as a chelating agent in metal ion detection and textile dye synthesis.
• Research: Applied in spectrophotometric analysis for environmental monitoring.

3. Usage Guidelines

For nitrate detection in water:

1. Prepare a 0.1% w/v aqueous solution.
2. Mix with sample under acidic conditions (H₂SO₄).
3. Measure absorbance at 410 nm using a spectrophotometer.

Safety: Use PPE and handle in well-ventilated areas due to potential irritation risks.

4. Case Studies

Municipal Water Quality Monitoring

A European environmental agency achieved 99% accuracy in nitrate detection using Chromotropic Acid-based methods, reducing analysis time by 40% compared to traditional techniques.

5. Client Success Stories

ChemLab Analytics (Germany)

Implemented Chromotropic Acid in routine water testing, reporting:

• 15% increase in detection sensitivity
• 30% reduction in reagent costs

6. Contact for Inquiries

Request technical specifications or bulk pricing:

info@vivalr.com
(86) 15866781826