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昨日纯碱主力合约2409大幅微下跌，收于1772元/吨，下跌62元/吨，跌幅3.38%。现货方面，昨日纯碱华东、华中地区轻重碱下跌50-100元/吨。整体来看，纯碱产量持续攀升，部分检修损失量被新增产
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在化学研究与分析的广阔领域里，我们深知，精准的实验数据和可靠的标准物质是科研工作的基石。特别是在当今快速发展的化学工业中，对化合物性质的深入理解和精确测量显得尤为关键。甲醇中吡啶溶液标准物质，作为一种
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