Ammonium nitrate solution, a crucial industrial raw material, plays a key role in multiple fields. A deep understanding of its characteristics and precise concentration measurement are essential for ensuring production safety and efficiency. This article will introduce the key properties of ammonium nitrate solution, its industrial applications, and the feasibility and technical solutions for measuring its concentration using an Inline Refractometer.
The solubility of ammonium nitrate in water increases significantly with temperature, reaching 119g/100mL at 0°C and as high as 1024g/100mL at 100°C, with a saturation concentration of approximately 91%. Its refractive index is positively correlated with concentration, making it a key parameter for real-time concentration monitoring. However, ammonium nitrate solution is corrosive, especially to metals such as carbon steel and copper under high temperature or high concentration conditions. Contact with strong acids or reducing agents may trigger violent reactions. In terms of safety, ammonium nitrate is prone to decomposition at high temperatures, producing nitrogen oxides, water, and oxygen, and may explode under extreme conditions. Therefore, storage should be in a cool, dry place away from light and moisture, and it should not be mixed with organic materials or reducing agents. Explosion-proof facilities should also be in place.
In terms of industrial applications, ammonium nitrate solution is used in agriculture as a nitrogen fertilizer raw material for compound fertilizer production. In the industrial sector, it is utilized in the manufacturing of explosives, the preparation of semiconductor cleaning solutions, and the denitrification treatment of wastewater in the environmental protection field. In the chemical industry, it serves as an intermediate for the synthesis of nitrate compounds such as potassium nitrate. Regarding reaction processes and products, decomposition reactions produce different products at different temperatures, and synthesis reactions require strict temperature control to prevent by-products. In the raw material preparation process, attention should be paid to temperature control, anti-caking, and impurity management.
Measuring the concentration of ammonium nitrate solution using an Inline Refractometer is highly feasible. The refractive index of ammonium nitrate solution has a linear relationship with its concentration, allowing for real-time concentration monitoring through an Inline Refractometer. This replaces the traditional manual sampling method, enhancing process stability and reducing safety risks.
CHUYI’s CYR-EX880-F-AN explosion-proof Inline Refractometer for ammonium nitrate has the following core parameters:
Measurement range for ammonium nitrate (nitrate salt): 0-70%.
Measurement precision: ±0.0002 RI (equivalent to a concentration error of ±0.1%).
Corrosion-resistant design: The sensor features a sapphire prism and a 316L stainless steel liquid-contact surface, capable of withstanding strong corrosive media.
Process temperature: 40-120°C (default 0-130°C).
Temperature compensation: Built-in PT1000 high-precision temperature control module (default -20°C to 150°C, applicable range for this condition: 40-100°C).
Output signal: 4-20mA & RS485, supporting connection to DCS or IoT platforms.
Explosion-proof rating: Ex d IIC T6 Gb.
In scenarios such as chemical production, explosive manufacturing, and environmental protection treatment, this refractometer has an advantageous fit. It can monitor concentration in real-time, precisely control ratios, and dynamically adjust dosages, thereby improving production efficiency, reducing costs, and minimizing chemical waste.
CHUYI’s CYR-EX880-F-AN explosion-proof inline concentration meter for ammonium nitrate also excels in safety and maintenance. It has an Ex d IIC T6 Gb explosion-proof certification, making it suitable for flammable and explosive environments. Equipped with an ultrasonic cleaning module, it can prevent crystal adhesion and reduce the frequency of manual maintenance. Choosing CHUYI’s CYR-EX880 series Inline Refractometer ensures significant optimization of production efficiency and safety. It provides real-time concentration data feedback, reducing dissolution time by over 20%. In terms of cost control, it reduces the frequency of manual inspections, saving more than 100,000 yuan in labor costs annually. In terms of safety compliance, data can be directly transmitted to regulatory platforms, meeting environmental protection and safety production requirements.
