基准物质 meaning in English
primary standard substance
Examples
- Study of drying primary standard substances by microwave in lab
实验室常用基准物质的微波干燥实验 - A series of standard solution made up with standard substance of sodium carbonate , and combusted in a high - frequency induction furnace with pure oxygen , and the amount of total carbon was measured by infrared absorption
摘要以碳酸钠为基准物质，配成一系列标准溶液，在通有纯氧气的高频炉中燃烧，红外吸收法测定碳含量，绘制校准曲线，测定矽中总碳量，与推荐值基本一致，方法准确、结果满意。