china ponceau 4r and titanium dioxide

The Chinese lithopone B311 manufacturing industry is characterized by its competitiveness, technological advancement, and commitment to quality. The companies featured in this article are at the forefront of this industry, offering a diverse range of products and services that cater to the needs of customers worldwide. As the demand for lithopone B311 continues to grow, these manufacturers are well-positioned to capitalize on emerging opportunities and maintain their leadership position in the market.

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Barium sulphate, a chemical compound with the formula BaSO₄, is widely recognized for its numerous applications in various industries, particularly in the field of medicine, paints, plastics, and as a component in drilling fluids. One of the distinguishing features of barium sulphate is its striking physical property its color. Understanding the color of barium sulphate not only helps in identifying the compound during handling but also plays a significant role in its applications and quality assessment.


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The majority of the world's production of titanium dioxide goes into the manufacturing of paints, coatings, plastics, paper, and ink. As a pigment, it boasts high refractive index properties that provide exceptional opacity and brightness, making it ideal for enhancing the durability and appearance of products. Moreover, titanium dioxide's stability and ability to withstand high temperatures mean it can be used in exterior paints designed to resist fading caused by sunlight exposure.

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3) Metathesis reaction: Dissolve the sulfide in distilled water to obtain a clear decomposition liquid, and add nonionic surfactant to stir evenly, then slowly add it to the zinc sulfate ammonia complex solution to form a metathesis reaction, and obtain Lide powder opacity. The liquid is separated by filtration, and the separated ammonia liquid is returned to the leaching after ammonia adjustment, and the separated nZnS-BaS0 4 crystal filter cake is put into the next step;

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