中国消费者报报道记者李洪涛）中秋节将至，各式口味的月饼产品纷纷摆上货架。与此同时，一些网络购物平台也唱起了中秋月饼热销的重头戏。近日，《中国消费者报》记者调查发现，受今年8月15日实施的《限制商品过度
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在化学分析领域，每一次精准的测量都离不开标准物质的校准与验证。特别是在复杂有机化合物的分析中，甲醇中邻二甲苯溶液标准物质以其独特的稳定性和适用性，成为了众多实验室的首选。多年的从业经验让我深知，选择正