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- ore sample decomposition 矿样分解
- A chest for preserving ore samples. 用来保存矿石样本的箱子。
- With traditional aqua regia decomposition of roasted ore samples,the measurement result is usually lower than the true one. 采用传统的王水分解溶样法处理焙烧矿样中的金,测定结果偏低。
- Some Se loss has been observed in the course of wet sample decomposition with acid solu-tion. 通过对湿法分解样品常用的几种混合酸体系进行研究,发现硒有不同程度的挥发损失。
- The choice of gold ore sample preparation flow will directly influence the assay quality. 金矿样品加工制备流程的选择会直接影响化验分析质量。
- The method is able to decrease the loss of Se in sample decomposition,shorten the time of complexing and extraction and raise accuracy of the determination of Se. 该方法使样品消化过程中的硒损失大为减少，使络合萃取时间变短，提高了硒测定的精密度和准确度。
- A method for sequential determination of copper, lead, iron, cadmium and nickel in bismuth and bismuth oxide by AAS after sample decomposition with HNO??3? is developed. HNO3分解样品后,直接用火焰原子吸收法测定铋及氧化铋中铜、铅、铁、镉、镍。
- It is simple to determine Ag in gold ore by adopting Atomic Absorption Spectrum (AAS) with aqua regia dissolving ore sample and CCL4 extraction it. 采用王水溶解矿样,用CCl4萃取,原子吸收光谱法测定金矿石中的银,操作简便,结果准确
- The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry. 该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
- A simple,selective chelatometric titration method to determine the high content of tin in tin bearing alloy and ore sample is proposed. 提出测定含锡合金和矿样中高含量锡的一种简易、选择性螯合滴定法。
- The article expounds the sample decomposition and the method of the sample preparation by applying the method of atomical assimilation spectrum, and lists some specific analytical of metallurgy. 本文对应用原子吸收光谱法分析冶金样品过程中的试样分解和分析样品的制备方法进行了较详细的阐述,并列举了几种基体合金的具体分析方法。
- An increased gold leach rate of 5 97% can be attained from ore sample minus 30 mm with the K-104 aid. An increment of 10 77% can be obtained from ore sample minus 10 mm by means of leaching with K-104 and then leaching with the L-88 aid. 试验表明， －30 mm 矿石采用K－104 助浸， 金液渣平均浸出率可提高5?97 %25 ， －10 mm 矿石采用K－104 预浸及L－88 助浸， 金液渣平均浸出率可提高10?77%25 。
- Used as observing microscope to examine surface cleanness, appraisal ore sample in metallurgy industry, appraisal printing photoengraving, examine weave fiber etc. in comparative method. 检定印刷照相制版，检验纺织纤维等等。
- Study on several methods of decomposition of ore sample containing gold 金矿样品的几种溶样方法
- The results of uranium in two standard uranium ore samples using TBP-levextrel presepara-tion show that both accuracy and precision are within 0.5%. 两个铀矿标样中的铀是用TBP萃淋树脂柱色层法分离后测定的;准确度和精密度均在0.;5%25以内。
- It is reported in this paper that the XRFS method was used for the determination of the major and minor elements in some imported iron ore samples. 采用无水四硼酸锂为熔剂,硝酸锂为氧化剂,经高温熔融制成的玻璃熔片,进行进口铁矿的主次元素含量测定。
- The scanning electron microscope (SEM)and the energy dispersive X ray spectrometer (EDX) have been employed for the identification of gold in Shandong auriferous ore samples. 运用扫描电子显微镜（SEM）及X射线能谱仪（EDX）进行金矿鉴定的实验研究，结果表明，本法比较直观、简便，可以确定金的存在形式及生成环境，并鉴定金矿物的种
- After dissolving ore samples of zinc and lead, the lead ions were precipitated.The zinc ions were titrated by EDTA.The lead precipitation was then dissolved. 利用铅锌矿中铅生成复盐沉淀,用EDTA标准溶液滴定锌,然后溶解复盐沉淀,加入过量EDTA标准溶液,用硝酸铅标准溶液反滴定。
- Lab.-used XFD Series Single Flotation Cell is provided for flotation of minor ore samples in labs of geological, metallurgical, building material, chemical and other industries. 实验室用XFD型系列单槽式浮选机供地质、冶金、建筑材料、化学等工业实验室浮选少量矿样用。
- The ore is smelted in this large factory. 这个大型工厂里熔炼矿石。
