impurities翻译

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Chemical impurity - Wikipedia

Impurities are either naturally occurring or added during synthesis of a chemical or commercial product. During production, impurities may be purposely or accidentally added to the substance.

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What Are Impurities in Chemistry: Types & Sources

2026年3月10日 · In chemistry, an impurity is any substance present in a material that isn’t the desired compound. Even a reaction that goes exactly as planned will produce trace amounts of unwanted …

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Impurities: Definitions, Types, and NMR Analysis

2024年6月25日 · Impurities can arise from multiple sources such as raw material defects, production processes, storage conditions, and even during handling or transportation. In essence, any deviation …