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- Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy. 摘要目的用紫外分光光度法及荧光分光光度法优化化探样品中芳烃的测试条件。
- Aminocarboxylic acid cellulose fliter was prepared as column filler to separate and enrich trace rare earth elements (REEs ) in geochemical samples. 本文制备了氨基羧酸纤维滤纸片作为柱填充物，成功地分离和富集了地化样品中的多种稀土元素。
- Methods The extracted liquid with petroleum ether from the geochemical samples in the north of Shaanxi was spectrally analyzed by using the optimized measurement condition. 方法用优化后的条件对陕北地区化探样品中芳烃的石油醚萃取液进行了光谱分析。
- AFS may be used for determining Se,As,Sb and Bi,Hg in the same mother solution with dual channel analysis of Se and Hg or Bi by means of improving decomposition and pretreatment methods,and detection conditions for geochemical samples. 在原子荧光光谱法中,通过改进地球化学样品的分解条件、预处理及测定条件,使硒与砷、锑以及铋、汞能在同一母液中测定,而且实现了硒与汞或铋的双道同时测定。
- Rapid determination of As,Sb,Bi,Hg in geochemical sample by HG AFS was researched. 本文研究了在王水分解样品后的同一份溶液中采用氢化物原子荧光光谱法连续测定砷、锑、铋、汞的方法。
- GFAAS determination of Agand Cd i n geochemical samples 石墨炉原子吸收法测定化探样品中银和镉
- AFS for Se,As,Sb,Bi and Hg in Geochemical Samples in the Same Mother Solution 地球化学样品中的硒与砷、锑、铋、汞的原子荧光光谱法同母液测定
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
- By parcel post our samples were sent. 我们的样品是通过邮包寄送的。
- regional geochemical sample analysis 区域地球化学样品分析
- Our quality is based solely on our sales samples. 我们的质量完全以货样为准。
- Samples are furnished on demand. 一经要求，即供样品。
- AFS for Se, As, Sb, Bi and Hg in Geochemical Samples in the Same Mother Solution 地球化学样品中的硒与砷、锑、铋、汞的原子荧光光谱法同母液测定
- Determination for trace aromatic hydrocarbon in geochemical samples by ultraviolet and fluorometric spectrophotometry 紫外、荧光分光光度法测定化探样中痕量芳香烃
- Determination of Trace Germanium in Geochemical Samples by Hydride Generation-Atomic Fluorescence Spectrometry 氢化物发生-原子荧光光谱法测定地质试样中的痕量锗
- There are many admiral samples in the collection. 这部集子里有许多花蝶标本。
- Determination of Trace Hydride of Germanium in Geochemical Samples by HG- AFS Method 地球化学样品中痕量锗的氢化物发生-原子荧光法测定
- WORKING METHOD FOR THE ANALYSIS OF 1:200 000REGIONAL GEOCHEMICAL SAMPLES IN HAINAN ISLAND 海南岛1:20万区域化探样品分析工作方法介绍
- AFS DETERMINATION OF ARSENIC ANTIMONY BISMUTH AND MERCURY IN GEOCHEMICAL SAMPLES 原子荧光光谱法测定化探样品中砷锑铋汞
- AN ARC EVAPORATION RECOVERY DEVICE AND ITS APPLICATION IN ANALYSIS OF GEOCHEMICAL SAMPLES 电弧蒸发回收装置及其在化探样品分析中的应用
