Process for separating off 1-amino-4-bromoanthraquinone-2-sulphonic acid
    1.
    发明授权
    Process for separating off 1-amino-4-bromoanthraquinone-2-sulphonic acid 失效
    分离出1-氨基-4-溴蒽醌-2-磺酸的方法

    公开(公告)号:US4246180A

    公开(公告)日:1981-01-20

    申请号:US938724

    申请日:1978-08-31

    CPC分类号: C07C303/44

    摘要: A process for separating off 1-amino-4-bromoanthraquinone-2-sulphonic acid from the reaction mixture formed by the bromination of 1-aminoanthraquinone-2-sulphonic acid in sulphuric acid, which process comprises adjusting the sulphuric acid concentration of the reaction mixture under the prevailing conditions of temperature and pressure to effect precipitation of 1-amino-4-bromoanthraquinone-2-sulphonic acid as the sulphate and thereafter separating the resultant sulphate precipitate from the reaction mixture.

    摘要翻译: 从1-氨基蒽醌-2-磺酸在硫酸中溴化形成的反应混合物中分离出1-氨基-4-溴蒽醌-2-磺酸的方法,该方法包括调节反应混合物的硫酸浓度 在主要的温度和压力条件下,以1-氨基-4-溴蒽醌-2-磺酸作为硫酸盐沉淀,然后将所得的硫酸盐沉淀物与反应混合物分离。

    Adapter element
    4.
    发明授权
    Adapter element 失效
    适配器元件

    公开(公告)号:US4848935A

    公开(公告)日:1989-07-18

    申请号:US160886

    申请日:1988-02-26

    摘要: An adapter element that allows machine elements to be accommodated in a centered manner with zero play, with these machine elements having different thermal expansions over broad temperature ranges. The adapter element has a sleeve-like portion that has tongue-like regions defined therefrom. Flattened or planar regions are provided on the inner and/or outer surface of the sleeve-like portion, with these planar regions at least partially overlapping the tongue-like regions.

    摘要翻译: 一种适配器元件,其允许机器元件以零中心的方式容纳,这些机器元件在宽温度范围内具有不同的热膨胀。 适配器元件具有由其限定的舌状区域的套筒状部分。 扁平或平面区域设置在套筒状部分的内表面和/或外表面上,这些平面区域至少部分地与舌状区域重叠。

    Apparatus for taking samples by thermal desorption
    5.
    发明授权
    Apparatus for taking samples by thermal desorption 失效
    用于通过热解吸取样品的装置

    公开(公告)号:US4849179A

    公开(公告)日:1989-07-18

    申请号:US49431

    申请日:1987-05-14

    IPC分类号: G01N30/08 G01N30/12

    CPC分类号: G01N30/08 G01N30/12

    摘要: An apparatus for taking samples by thermal desorption of compounds that are adsorbed on solid adsorbents contained in a sample tube. An injector has a recess for accommodating the sample tube and a connection for a capillary column of a gas chromatograph. The compounds are desorbed into such capillary column by means of a stream of carrier gas passing through the sample tube. An injector extension is fastened to the injector and has a recess for accommodating the sample tube. The recess of the injector extension is flush with the recess of the injector. A push rod is guidable in the injector extension for pushing the sample tube from a position in the injector extension into a position within the injector. A carrier gas inlet communicates with the recess in the injector extension for admitting a carrier gas therein. A plug is disposed at an end of the push rod for gripping the sample tube. The plug includes a bore for effecting communication between the carrier gas inlet and the interior of the sample tube.

    摘要翻译: 用于通过吸附在样品管中所含的固体吸附剂上的化合物的热解吸取样品的装置。 注射器具有用于容纳样品管的凹部和用于气相色谱仪的毛细管柱的连接。 化合物通过穿过样品管的载气流解吸到这种毛细管柱中。 注射器延伸部被固定到注射器并具有用于容纳样品管的凹部。 注射器延伸部的凹部与注射器的凹部齐平。 推杆可在注射器延伸部中引导,用于将样品管从注射器延伸部中的位置推入注射器内的位置。 载气进口与喷射器延伸部中的凹部连通,用于允许载气在其中。 插头设置在推杆的端部以夹紧样品管。 插塞包括用于实现载气入口与样品管内部之间的连通的孔。