Indicator for determining organic isocyanates on a carrier
    1.
    发明授权
    Indicator for determining organic isocyanates on a carrier 失效
    用于测定载体上有机异氰酸酯的指标

    公开(公告)号:US4613575A

    公开(公告)日:1986-09-23

    申请号:US707520

    申请日:1985-03-04

    IPC分类号: G01N31/00 G01N31/22

    摘要: Organic isocyanates are detected with an indicator comprising bis-4-(dimethylamino)-phenyl-methylenimine-hydrochloride provided on a carrier along with a catalyst for its reaction with the organic isocyanates contained in a tested gas. Through an acid developer brought subsequently into contact with the indicator, this reaction occurs and thus the concentration of the organic isocyanates is made evident by a red coloration of the indicator.

    摘要翻译: 使用包含在载体上提供的双-4-(二甲基氨基) - 苯基 - 亚甲基亚胺盐酸盐的指示剂与用于与被测气体中所含的有机异氰酸酯反应的催化剂的指示剂检测有机异氰酸酯。 通过随后与指示剂接触的酸性显影剂,发生该反应,因此有机异氰酸酯的浓度通过指示剂的红色显现而明显。

    Carrier for colorimetrically detecting a gas
    2.
    发明授权
    Carrier for colorimetrically detecting a gas 失效
    用于比色检测气体的载体

    公开(公告)号:US5415838A

    公开(公告)日:1995-05-16

    申请号:US194272

    申请日:1994-02-10

    IPC分类号: G01N21/78 G01N21/86 G01N31/22

    CPC分类号: G01N21/783 G01N21/8483

    摘要: One or more reaction zones are formed as channels in a carrier. Each reaction zone is lined with a color indicator and the carrier is improved in that a coating of the reaction zone is realized wherein the coatings are individually changeable and the coating is easily carried out with uniform coating density and, if required, with different indicators. This is achieved with a carrier which is configured as a sandwich-like composite foil which includes a reagent carrier foil which, in turn, is made of a special plastic material. This plastic material can be perfluoroethylene propylene (FEF) which is surface treated by a corona discharge and is then known as FEPc. An especially advantageous embodiment for the reaction zones on the reaction carrier foil is that the reaction partners are applied to the reagent carrier foil in the form of a point matrix applied by a microdrop generator.

    摘要翻译: 一个或多个反应区形成为载体中的通道。 每个反应区都带有颜色指示器,并且改进了载体,因为实现了反应区域的涂层,其中涂层是可单独变化的,并且涂层容易地以均匀的涂层密度进行,并且如果需要,具有不同的指示剂。 这是通过构造为夹层状复合箔的载体来实现的,该复合箔包括试剂载体箔,该试剂载体箔又由特殊的塑料材料制成。 该塑料材料可以是通过电晕放电进行表面处理的全氟乙烯丙烯(FEF),然后被称为FEPc。 反应载体箔上的反应区域的特别有利的实施方案是将反应配对体以由微滴发生器施加的点阵形式施加到试剂载体箔上。

    Detector tube
    3.
    发明授权
    Detector tube 失效
    检测管

    公开(公告)号:US6048495A

    公开(公告)日:2000-04-11

    申请号:US52561

    申请日:1998-03-31

    申请人: Joachim Marcoll

    发明人: Joachim Marcoll

    CPC分类号: G01N31/22 G01N21/77

    摘要: A detector tube with a rod-shaped reagent carrier placed into a transparent tube, which reagent carrier is provided with a detection substance, such that the reagent carrier can be placed into the detector tube in a simple manner and that defined flow conditions become established around the reagent carrier. The cross-sectional contour of the reagent carrier is designed as a polygon in such a way that at least some of the outer edges of the reagent carrier are in contact with the inner side of the tube.

    摘要翻译: 具有放置在透明管中的棒状试剂载体的检测器管,该试剂载体设置有检测物质,使得可以以简单的方式将试剂载体置于检测器管中,并且确定周围的限定流动条件 试剂载体。 试剂载体的横截面轮廓被设计为多边形,使得试剂载体的至少一些外边缘与管的内侧接触。

    Material having a predeterminable magnetic susceptibility
    5.
    发明授权
    Material having a predeterminable magnetic susceptibility 失效
    材料具有可预定的磁化率

    公开(公告)号:US4985165A

    公开(公告)日:1991-01-15

    申请号:US442299

    申请日:1989-11-28

    IPC分类号: H01F1/113

    CPC分类号: H01F1/113

    摘要: The invention is directed to a material having predeterminable magnetic suceptibility and this material is suitable for producing displacing bodies for oxygen measuring devices. The material is composed of a plastic mass as primary substance and binding agent and, in any desired mixing ratio, at least one of the following additive substances: small hollow bodies, a paramagnetic material and a light ferromagnetic material.

    摘要翻译: 本发明涉及具有可预测的磁感性的材料,并且该材料适用于制造用于氧测量装置的置换体。 该材料由塑料块作为主要物质和粘合剂组成,并且在任何所需的混合比例中,至少一种以下添加剂物质:小型空心体,顺磁材料和轻质铁磁材料。