Generation of metal-carbonyl standards for the calibration of spectroscopic systems
    2.
    发明授权
    Generation of metal-carbonyl standards for the calibration of spectroscopic systems 失效
    生成用于校准光谱系统的金属 - 羰基标准品

    公开(公告)号:US06468446B1

    公开(公告)日:2002-10-22

    申请号:US09657395

    申请日:2000-09-08

    IPC分类号: C09K300

    摘要: Methods and apparatus for preparing gaseous compositions comprising a metal carbonyl, preferably at ppm concentration, are disclosed. The methods comprise placing metal, preferably in the form of filings, of the metal carbonyl to be produced into a first test vessel at a first temperature, and then pressurizing the first test vessel with a gas comprising carbon monoxide from a carbon monoxide source vessel. The contents of the first vessel are then heated to a second temperature and at a rate sufficient to initiate metal carbonyl formation, thereby forming a gas composition comprising a metal carbonyl. The reaction is then quenched by transferring some of the gas composition comprising a metal carbonyl from the first test vessel to a second test vessel which is at a third temperature, the third temperature being lower than the second temperature. Finally, the gas composition is diluted in the second test vessel with an inert gas (preferably argon) from an inert gas source container.

    摘要翻译: 公开了用于制备包含金属羰基,优选以ppm浓度的气态组合物的方法和设备。 所述方法包括将待生产的金属羰基的金属(优选以填料形式)置于第一温度下的第一试验容器中,然后用包含一氧化碳源容器的一氧化碳的气体对第一试验容器加压。 然后将第一容器的内容物加热到第二温度并以足以引发金属羰基生成的速率,从而形成包含羰基金属的气体组合物。 然后通过将一些包含金属羰基的气体组合物从第一测试容器转移到处于第三温度,第三温度低于第二温度的第二测试容器来淬灭反应。 最后,将惰性气体(优选氩气)从惰性气体源容器中稀释到第二测试容器中。