Analytical chemistry relies on precise reagents and methodologies to ensure accurate and reliable results. Phosphotungstic acid (PTA), identified by CAS 12501-23-4, is a compound that finds important applications within this discipline, particularly in protein precipitation and quantitative analysis. Its unique chemical properties, stemming from its heteropoly acid structure, enable it to perform specific functions that are valuable to researchers and laboratory professionals. For those seeking to buy or source this chemical, understanding its analytical roles and the benefits of partnering with reputable manufacturers is essential.

One of the key analytical uses of phosphotungstic acid is its capacity to act as a precipitant for proteins. In acidic solutions, PTA is effective at precipitating polar proteins, a property that can be leveraged in various biochemical assays, sample preparation workflows, and purification strategies. This characteristic has led to it being described as a 'universal' precipitant for certain types of proteins. The effectiveness of PTA in these applications is directly linked to its purity and consistent chemical properties, highlighting the importance of sourcing from reliable chemical suppliers.

Furthermore, phosphotungstic acid has been utilized in gravimetric analysis, notably for the determination of potassium ions. The potassium salt of phosphotungstate is sparingly soluble, allowing for its quantitative precipitation and subsequent weighing to ascertain the concentration of potassium in a sample. This method, while classical, remains relevant in certain analytical contexts where high accuracy is required. When procuring PTA for analytical purposes, chemists often look for grades that are specifically certified for analytical use.

The strong acidic nature of PTA also lends itself to applications where a potent and stable acid catalyst is needed, even within analytical procedures. Its thermal stability means it can be used in analyses conducted at elevated temperatures. For laboratories and research institutions, ensuring a consistent and high-quality supply of analytical reagents is paramount for the reproducibility of experiments. Identifying manufacturers that provide thorough documentation, such as certificates of analysis (CoA), is a critical step in the procurement process.

NINGBO INNO PHARMCHEM CO.,LTD., as a professional manufacturer and supplier of fine chemicals based in China, offers high-purity Phosphotungstic Acid Hydrate suitable for analytical chemistry applications. We are committed to providing our B2B clients with reliable products and dependable service. We invite analytical chemists and laboratory managers to contact us for quotes and to discuss their specific requirements for Phosphotungstic Acid Hydrate. Secure your supply of this versatile analytical reagent from a trusted source.