杂质测定

用AFis纤维测试仪进行棉结杂质测定的应用与分析

Application and Analysis of Neps and Trashes Determine with AFis Fibre Tester

GB/T513-1977润滑脂机械杂质测定法（酸分解法）

Determination of mechanical impurities in lubricating greases ( acid decomposition method )

目的：建立硫酸软骨素注射液小分子杂质测定方法。

Objective : To develop a determination methods of small molecular weight impurity in Chondroitin Sulfate injection .

本法可满足99.999%以上金属铋中痕量杂质测定的要求。

The method has been applied to the determination of trace impurities in bismuth samples with purity above 99.999 % .

在最佳条件下对那格列奈和环丙沙星进行了痕量杂质测定，其杂质总含量分别为0.56%和0.26%。此方法具有检测灵敏度高、定量准确的特点。

Under these conditions , the total trace impurity of nateglinide and ciprofloxacin had been detected , which were 0.56 % and 0.26 % .

查明Sb对杂质元素测定的干扰。

The interference of Sb on the determination was also looked into .

结论：HPLC法能够分离出杂质，测定含量结果更准确。

Conclusion : The method is accurate which can separate the adulterants .

高分辨率ICP光谱仪在铌中杂质元素测定上的应用

Application of High Resolution ICP Spectrometry in Determination of Impurity Elements in Niobium

这一新型柱填料也可用于聚合级乙烯和C4烯烃中微量炔类杂质的测定以及混合C4炔类中分组的分离和测定。

The same column packing can also be used for determining trace impurities of lower hydrocarbons in polymerization grade ethylene and C_4 olefins as well as separation and determination of C_4 hydrocarbons .

研究建立了电感耦合等离子体质谱（ICP-MS）测定高纯金属钐中14种稀土及11种非稀土杂质的测定方法。

A method for the determination of impurities in high purity samarium by ICP-MS was reported .

丙烯中烃类杂质含量测定结果的相对标准偏差小于5%，分析时间约30min，测定值与国家标准方法基本一致。

The relative standard deviations of the results were less than 5 % , the analysis process lasted about 30 min.

FIA-ICP-AES联用技术研究（Ⅰ）高纯氧化钇中痕量稀土杂质的测定转盘电极光谱法测定粗氧化钇中14个稀土元素

STUDY ON THE FIA-ICP-AES SPECTROGRAPHIC METHOD (ⅰ) DETERMINATION OF 14 RARE EARTH IMPURITIES IN HIGH PURITY YTTRIUM OXIDE Spectrographic Determination of 14 Rare Earth Elements in Crude Yttrium Oxide with Rotat (?) Disk-Spark Technique

异戊醇及旋性戊醇中非醇杂质的测定

Detection of Non-alcohol Impurity in Isopentanol and Optical Pentanol

镀镍溶液中六价铬杂质的测定

Determination of Chrome (ⅵ) Impurity in Ni Plating Solution

聚合级异戊二烯中微量杂质的测定

Determination of Trace Impurities in Polymerization Grade Isoprene

GB/T14488.2-1993油料种籽杂质含量测定法

Method for determination of foreign matter in oilseeds

工艺的优劣分析。裂解气中痕量杂质的测定

Analysis of Trace Contaminants in Process Gases

丙烯腈中微量有机杂质的测定

Determination of Trace Organic Impurities in Acrylonitrile

裂解气中痕量杂质的测定丁二烯中痕量气体杂质的分析

Analysis of Trace Contaminants in Process Gases DETERMINATION OF TRACE AMOUNT OF GASEOUS IMPURITIES IN BUTADIENE

电池用电解二氧化锰中杂质的测定

Determination of impurities in EMD

研究了输出功率、分离效率及非稀土杂质对测定的影响。

This paper studies the effects of power input , efficiency of separation and non-rare earths impurities .

目的建立苦参碱葡萄糖注射液中苦参碱及杂质的测定方法。

Objective To establish a HPLC method for the determination of matrine and impurities in martine glucose injection .

本论文工作将浮选技术应用于钛酸钡中杂质元素测定过程的分离富集。

This thesis used the floating technology for the separation and enrichment of the impurity elements in barium titanate .

目的：建立马来酸氨氯地平片中马来酸氨氯地平及杂质的测定方法。

Objective : To establish a HPLC method for the determination of amlodipine maleate and impurities in amlodipine maleate tablet .

硅中深能级杂质的测定与多晶硅薄膜吸杂效果的观察

Determination of the deep levels in silicon and observation of the gettering effect to impurities with the multi - crystal layer

结论方法简单、灵敏度高，可用于氟罗沙星原料药的杂质含量测定。

CONCLUSION The method was found to be simple , sensitively and can be applied to the determination of the impurity of fleroxacin .

提出了一种从钽和其它杂质中测定稀有元素铌的方法。

One method which can be used in analyzing rare element Nb in the presence of Ta and other impurities is proposed in the paper .

结果：胆汁杂质对测定影响不大，线性方程相关系数大于0.999，平均回收率为85.28%。

Results : The correlation coefficient of the linear equation was larger than 0 . 999 , the average recovery was 85 . 28 % .

研究了气相色谱法测定凝析油生产芳烃过程中，中间体及产品杂质的测定，在化工生产中对保证产品有效成分含量，对稳定产品质量有着积极的作用。

Is studied in the process of condensate producting aromatic hydrocarbon with chromatog-raphy determining its intermediate and foreign substance of products which play an positive role for assuring effective composition content of products and stabilize their quality in the production of chemical industry .

四环素及其杂质的HPLC测定

Determination of tetracycline and its impurities by HPLC