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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

https://image11.m1905.cn/uploadfile/2024/0524/20240524110113470947.jpg

据悉，戴比尔斯集团计划关闭旗下实验室培育钻石“培育钻石”）珠宝品牌 Lightbox。此举彰显了集团在珠宝领域专注于天然钻石的坚定决心，标志其战略布局迎来新的调整与升级。2024 年 5 月，戴比尔斯

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