1) Qualitative-quantitative analyses
定性-半定量分析
2) Qualitative and half-quantitative analysis
定性半定量分析
3) unknown solution
半微量定性分析
1.
Some problems about the semimicroqualitative analysis of the unknown solution containing common anions are discussed,and some improvements are promoted on the step of anions qualitative analysis.
通过对常见阴离子未知混合液半微量定性分析的一些问题的讨论 ,对阴离子分析时的某些步骤提出一点改进性意见。
4) Semi-quantitative analysis
半定量分析
1.
Semi-quantitative analysis of factors affecting gas hydrateformation conditions and its fractions;
天然气水合物形成条件与含量影响因素的半定量分析
2.
Based on the semi-quantitative analysis for all mineral medicine components in fluorites,the quantity assessment for mineral medicine of fluorites was assessed.
在矿物药所有组分半定量分析的基础上,对萤石矿物药质量进行评价。
3.
It can conduct qualitative and semi-quantitative analysis of elements in samples, with accuracy of + 30% for semi-quantitative analysis, and also can fast detect elements in samples and their concentration range.
ICP -MS具有等离子发射光谱检测能力高、测量速度快、测量元素多等特点 ,能对样品中存在元素进行定性及半定量分析 ,半定量分析准确度为± 30 %。
6) spectral half-quantitative analysis
看谱半定量分析
1.
In a spectral half-quantitative analysis,the self-absorption augments along with the increase of the element consistence,thus seriously deviating the analytical results from the truth.
看谱半定量分析随着样品中元素浓度的增大 ,自吸增加 ,从而使分析结果严重的偏离真实值。
补充资料:半定量分析
准确性比定量分析稍差的分析方法,特点是简单、迅速、费用低。常用于以下几种情况:①希望得知成分的大致含量,以便进一步选择合适的精确定量分析方法;②只要求分析快,不太追求成分的准确含量,例如某种合金型号的确定、工业生产中的中间控制、法医学中对毒物是否超过致死量的鉴定、试剂中杂质是否超过了法定标准的分析;③试样较少,没有理想的定量方法可采用。
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参考词条