【摘 要】
：
這篇关于黄藥分析方法的論述,原载于日本鑛业會志第59卷第692號,我們所以介紹這篇論文的目的,是属於目前我們各鑛山所用的黄藥分析法,一般都探用碘法,而碘法中所需要的丙酮,
论文部分内容阅读
這篇关于黄藥分析方法的論述,原载于日本鑛业會志第59卷第692號,我們所以介紹這篇論文的目的,是属於目前我們各鑛山所用的黄藥分析法,一般都探用碘法,而碘法中所需要的丙酮,在目前市场上下易购到,而且价格也很昂贵,本文著者根据自己的試驗,提出改良的鹽酸法,並在分析同時能定出試料之游離碱,所以特介紹出來,供工作的参考。
This essay on xanthate analytical methods was originally published by Japan Mining Association Vol. 59, No. 692, and so the purpose of this paper is to belong to the xanthate analytical method currently used by our mines and generally Exploring the iodine method, and the iodine method needs acetone, easy to buy in the market at the moment, and the price is very expensive, the author of this article according to their own experiments, proposed improved hydrochloric acid method, and can be determined at the same time analysis of the sample Free base, so special introduction, for the work of reference.
其他文献
根据不同世代铀矿物共生组合的成分、形成顺序和空间分布等资料可以在一系列情况下探讨成矿的化学作用,特别是氧化还原条件的变化,虽然类似的探讨只是定性的,但可帮助了解各
用于空调等家用电器上的三相无刷电动机,要求其控制器IC和驱动器IC,能使电动机的驱动控制为低噪音、低振动。为满足这一需要,控制电动机的驱动电流应为正弦波。这样才能确保
Cardiorenal syndromes (CRS) have been subclassified as five defined entities which represent clinical circumstances in which both the heart and the kidney are i
A small collection of fossil plants was made in 1930 by Dr.GeorgeB. Barbour,of Yenching University,in the course of his study of the sedimen-tary deposits near
冰岛位于大西洋中脊区内,几乎全由玄武岩组成。而酸性喷发岩、侵入岩(辉长岩、花斑岩)及沉积—碎屑岩系仅占10%(Palmason& Samudsson,1974),冰岛大多数古老岩石的年龄大致为
村,这个中国农村最基层的单位名称,自魏晋南北朝出现以来,至今已延续了1600多年。而如今,在这个古老的族谱里又增添了一个新的名词——“城中村”。
The village, the name
取得学位可能比教育年限对健康更有利。本研究旨在了解教育与血压的相关性是否存在学位或“文凭”效应。方法 :在年龄38~47岁的成年人群552名中,研究者采用多变量校正的顺序
一、问题的提出淄博向斜二个水文地质问题,是周慕林同志于1955年第五期“地质知识”中提出。虽年过数载,但这二个问题仍未得到完备的解决。具体问题有下列二个:(1)由于严重
Through researches during recent years in central and southernHunan,it is desirable not only to extend the two well known movements,Caledonian and Yenshanian,b
很多认识我的人都说我看上去顶多不超过六十一二岁,其实我已年过八十了,为什么看上去和实际年龄相差这么多呢?这其中的原因,我想除了我平时以乐观的心态面对生活,平心静气地