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The processes and applications of these chemicals vary according to the type of mining operation. In mineral extraction, for example, sulfide minerals are often treated using xanthates as collectors, while coal mining may utilize different agents tailored to carbonaceous materials. The choice of chemicals is critical, as it can significantly impact the efficiency and cost-effectiveness of the mining operation.
mining chemicals handbook

In addition to food, preservatives are also widely used in personal care products, such as lotions, shampoos, and cosmetics. Products that contain water are susceptible to microbial growth, making preservatives essential in these contexts as well. Parabens, which include methylparaben and propylparaben, are among the most commonly used preservatives in cosmetics. They serve to prolong the shelf life of products, preventing them from becoming contaminated and ensuring they remain safe for consumer use.
common preservatives
