The product, High Quality DTPA Pentasodium 40% solution (DTPA - 5NA 40%), is a chemical compound with the CAS number 140 - 01 - 2. The "40%" indicates that the solution contains 40% of DTPA pentasodium by mass. DTPA pentasodium, also known as Diethylenetriaminepentaacetic acid pentasodium salt, is a highly effective chelating agent. It has a strong ability to form stable complexes with metal ions. The product is characterized by its high - quality and low price, making it an attractive option for various industries.
Some of the key physical and chemical properties of this solution include its solubility in water. It typically appears as a clear liquid. The molecular formula of DTPA - 5Na is C₁₄H₁₈N₃Na₅O₁₀, and it has a certain density and pH value, which may vary slightly depending on the specific production process and quality control.
This product has a wide range of applications in different industries. In the agricultural field, it is used as a micronutrient fertilizer additive. By chelating metal ions such as iron (Fe), manganese (Mn), zinc (Zn), and copper (Cu), it can prevent the precipitation of these metal ions in the soil and improve the availability of micronutrients to plants. This helps to enhance plant growth, increase crop yields, and improve the quality of agricultural products.
In the industrial sector, it is used in water treatment. It can chelate heavy metal ions in water, such as lead (Pb), mercury (Hg), and cadmium (Cd), reducing their toxicity and preventing the formation of scale and corrosion in water systems. This is crucial for maintaining the normal operation of industrial equipment and ensuring the quality of industrial water.
It is also used in the textile industry for dyeing and printing processes. It can chelate metal ions in the dyeing bath, preventing the interference of metal ions with the dyeing process and ensuring uniform and bright coloration of textiles.
When using the High Quality DTPA Pentasodium 40% solution, it is important to follow the correct procedures. In the agricultural application, it can be mixed with water and applied to the soil through irrigation or foliar spraying. The dosage should be determined according to the soil conditions, crop types, and the degree of micronutrient deficiency. Generally, for soil application, it can be used at a rate of 1 - 5 kg per hectare, and for foliar spraying, a 0.1% - 0.5% solution can be prepared.
In water treatment, the appropriate amount of the solution should be added to the water system based on the concentration of heavy metal ions. It can be added continuously or intermittently, depending on the specific requirements of the water treatment process. The water sample should be regularly monitored to ensure that the concentration of heavy metal ions is within the acceptable range.
In the textile industry, it can be added to the dyeing bath at a certain stage of the dyeing process. The dosage usually ranges from 0.5 - 2 g/L, depending on the type of textile and the dye used.
Agricultural Case: A large - scale wheat farm in the Midwest of the United States was facing a problem of iron deficiency in the soil. The wheat plants showed symptoms of chlorosis, which affected the photosynthesis and growth of the plants. After using the High Quality DTPA Pentasodium 40% solution as a foliar spray at a concentration of 0.3%, the iron deficiency symptoms gradually disappeared within two weeks. The wheat plants became greener and healthier, and the final yield increased by 15% compared to the previous year.
Water Treatment Case: A chemical factory in China was discharging wastewater containing high levels of lead and copper ions. After adding the DTPA - 5Na solution to the wastewater treatment system at a dosage of 50 mg/L, the concentration of lead and copper ions in the effluent decreased significantly. The lead concentration decreased from 10 mg/L to less than 0.5 mg/L, and the copper concentration decreased from
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