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单词 Elemental analysis
释义

Elemental analysis

英语例句库

A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.

首次合成了一种新型的四(对甘氨酰甘氨酸)苯基卟吩及其稀土镱、钐的配合物。用元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行了表征。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.

首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。

中文百科

元素分析

元素分析英语:Elemental analysis)是一种或一系列确定样品元素组成的化学步骤,是分析化学研究中常用的方法。元素分析可以仅为定性分析,也可以是定量分析。元素分析中最常见的方法是燃烧法,即充分燃烧样品使其中元素转化为与其相对应的氧化物后,定性或定量测定样品中的元素组成,在有机化学中尤其常用,其它方法有质谱法、重量分析法、电磁波谱法、中子活化分析法等。元素分析在制药工程、采矿工程等领域有广泛的应用。

英语百科

Elemental analysis 元素分析

Elemental analysis is a process where a sample of some material (e.g., soil, waste or drinking water, bodily fluids, minerals, chemical compounds) is analyzed for its elemental and sometimes isotopic composition. Elemental analysis can be qualitative (determining what elements are present), and it can be quantitative (determining how much of each are present). Elemental analysis falls within the ambit of analytical chemistry, the set of instruments involved in deciphering the chemical nature of our world.

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更新时间:2025/6/26 13:13:25