在化学分析与环境监测的广阔领域里，精准的pH值测量是基础中的基础。多年的实验室工作经验告诉我，一个微小的pH偏差，都可能对实验结果产生重大影响。而氢氧化钙pH溶液标准物质，正是那把确保我们测量准确无误

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CHANEL香奈儿正式官宣Matthieu Blazy将担任品牌历史上第四位创意总监。据悉，Matthieu Blazy预计将于2025年4月正式加入CHANEL大家庭，而他的初个系列则计划在2025

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