ATAGO sulfuric acid refractometer in laboratory concentrated sulfuric acid concentration - Database & Sql Blog Articles

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In the chemical industry, sulfuric acid is an essential component and catalyst used in various production processes. The concentration of sulfuric acid directly affects product quality, making it crucial to monitor regularly. While there are multiple methods available for measuring sulfuric acid concentration, many companies still rely on the metathesis principle combined with titration. This method involves calculating the concentration based on the amount of reactant used, which then helps determine the sulfuric acid content and overall quality score. However, this approach is often time-consuming, labor-intensive, and not always consistent.

Concentration of sulfuric acid solution

Conductivity

Many physical properties, such as refractive index, are closely related, so changes in one can reflect changes in concentration. A widely used device for measuring sulfuric acid concentration is the refractometer, which measures the critical angle. The ATAGO handheld refractometer is a popular choice in this field.

Sulfuric acid refractometer

This instrument measures the refractive index of sulfuric acid and uses a pre-established table comparing refractive index with concentration, including automatic temperature compensation. The QR-HSO digital display model offers precise readings and ease of use.

Sulfuric acid refractometer

Designed specifically for industrial and chemical applications, this device allows one-handed operation, reducing direct contact with the acid for improved safety. Its simple structure makes it user-friendly and cost-effective compared to other types of concentration meters.

ATAGO's QR-HSO digital display refractometer

This device is ideal for accurate and efficient sulfuric acid testing. It features:

• High-definition digital display for clear and direct readings.
• Factory-calibrated with automatic temperature compensation for accurate measurements and easy operation.
• Compact design for portability and use in small spaces.
• Resistant to strong and weak acids, ensuring long-lasting durability.

Sulfuric acid is a vital raw material in chemical production, used in various industries, such as fertilizer manufacturing, phosphoric acid and hydrochloric acid production, synthesis of sulfur-containing compounds (including dyes, softeners, surfactants, fibers, pharmaceuticals, plastics), rayon and viscose production, titanium dioxide (paint industry), sodium sulfate (glass and detergent industries), aluminum sulfate, battery acid, desiccants, and steel mill acid tanks.

The chemical formula of sulfuric acid is H₂SO₄. It is a colorless, odorless, oily liquid that absorbs water strongly and mixes with water in any ratio, releasing a significant amount of heat. Sulfuric acid can instantly destroy cotton fabrics. When concentrated, it can absorb SO₃ and then be diluted with water to achieve the desired concentration. Therefore, monitoring its concentration during preparation is essential for safe and effective use.