Component sensor for molten metals
    3.
    发明授权
    Component sensor for molten metals 失效
    熔融金属元件传感器

    公开(公告)号:US5393400A

    公开(公告)日:1995-02-28

    申请号:US789489

    申请日:1991-11-08

    CPC分类号: G01N33/206

    摘要: A metal melt is used as a measuring electrode while a pure form of a particular metal component to be measured or an alloy containing it is used as a standard electrode. The active substance to come in contact with the standard electrode includes at least one halide of an alkali halide and an alkaline earth halide, both having ion conductivity, and a halide of the particular metal component, any one of such halides consisting of a solid phase and a liquid phase. This active substance is provided such that it can come into contact with the metal melt and is used as an electrolyte as well. It is thus possible to provide a continuous detection of the concentration of the particular component in the molten metal to be measured.

    摘要翻译: 将金属熔体用作测量电极,同时将待测量的特定金属组分的纯形式或含有它的合金用作标准电极。 与标准电极接触的活性物质包括至少一种具有离子传导性的碱金属卤化物和碱土金属卤化物的卤化物,以及特定金属组分的卤化物,任何一种由固相组成的卤化物 和液相。 该活性物质被设置为使其能够与金属熔体接触并且也用作电解质。 因此,可以提供对待测量的熔融金属中特定组分的浓度的连续检测。

    Process for producing dicyanonorbornane and zerovalent nickel complex catalyst
    8.
    发明授权
    Process for producing dicyanonorbornane and zerovalent nickel complex catalyst 有权
    生产二氰基降冰片烷和零价镍络合物催化剂的方法

    公开(公告)号:US08183404B2

    公开(公告)日:2012-05-22

    申请号:US12306889

    申请日:2007-06-22

    IPC分类号: C07C253/10

    摘要: The present invention is to provide a process for producing dicyanonorbornane characterized by causing hydrogen cyanide to undergo addition reaction with cyanonorbornene (bicyclo[2.2.1]-5-heptene-2-carbonitrile) in the presence of a zerovalent nickel complex catalyst which is produced by using a phosphite represented by P(x)(y)(z) (wherein P is a phosphorus atom, and x, y and z are each OR, where R represents an aryl group having not more than 18 carbon atoms) as a ligand to reduce a nickel halide with at least one metal selected among zinc, cadmium, beryllium, aluminum, iron and cobalt, wherein the phosphite is one which has a phosphate content of 1.0 weight % or lower based on the whole phosphite.

    摘要翻译: 本发明提供一种制备二氰基降冰片烷的方法,其特征在于在生成的零价镍络合物催化剂存在下使氰化氢与氰基降冰片烯(双环[2.2.1] -5-庚烯-2-腈)进行加成反应 通过使用由P(x)(y)(z)表示的亚磷酸酯(其中P是磷原子,x,y和z各自为OR,其中R表示不超过18个碳原子的芳基)作为 配体,用锌,镉,铍,铝,铁和钴中的至少一种金属还原卤化镍,其中亚磷酸盐是基于全部亚磷酸盐的磷酸盐含量为1.0重量%以下的亚磷酸盐。