The salt content in water-soluble dyes is an important indicator that needs to be controlled in ink production. Membrane separation or chemical methods can remove most of the salt, and the remaining trace salt after making ink still has an undeniable impact on the application perfor…
In the textile industry: Chlorine ion binders can be used in the dyeing and printing processes of textiles to help dye combine with fibers, enhance the fastness of dyeing and the brightness of colors. However, the chloride ion content needs to be tested. In this article, an ion chromatograph is used…
Disposable paper cups are widely used in daily life, and there is a layer of plastic film hidden inside the cup. When poured into hot water, it will degrade some chemicals. Although it brings convenience, there are also some potential health hazards. Fluoride: It can be beneficial to teeth as it …