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    • 5. 发明授权
    • Method and kit for detecting explosives
    • 检测爆炸物的方法和试剂盒
    • US5296380A
    • 1994-03-22
    • US939828
    • 1992-09-03
    • Yair Margalit
    • Yair Margalit
    • G01N21/78G01N31/22G01N33/22
    • G01N31/22F41H11/134F42B35/00Y10T436/17Y10T436/173076Y10T436/173845Y10T436/19
    • In a color reaction method for detecting particular classes of explosives, a sample from a suspect source is subjected serially to the indicated reagents in the liquid phase, the reagents after the first being applied only if no color reaction has been obtained in the preceding test. The second and third reagents only are applied in presence of the preceding reagent(s). The first reagent is an alkaline solution of a diazotizable aminoaromatic azo-dye precursor, which detects nitroaromatic explosives. The second reagent is a strongly acidic reagent containing a nitrate to nitrite ion reducing agent and a diazo-coupler, which detects organic nitrates and nitramines. The third reagent is zinc powder suspended in a liquid, which detects inorganic nitrates. The fourth reagent is an aniline salt in a homogeneous strongly acidic solution including a water-miscible organic solvent, which detects chlorates and bromates. The invention includes also a test kit for use in the method.
    • 在用于检测特定类别的爆炸物的彩色反应方法中,将来自可疑源的样品连续地进入液相中指定的试剂,仅在前一试验中没有获得显色反应的情况下,首次施用试剂。 第二和第三试剂仅在前一试剂存在下使用。 第一种试剂是可重氮化氨基偶氮染料前体的碱性溶液,其可以检测硝基芳族炸药。 第二种试剂是含有硝酸根至亚硝酸根离子还原剂和重氮偶合剂的强酸性试剂,其检测有机硝酸盐和硝胺。 第三试剂是悬浮在液体中的锌粉,其检测无机硝酸盐。 第四试剂是均匀强酸性溶液中的苯胺盐,其包括水混溶性有机溶剂,其检测氯酸盐和溴酸盐。 本发明还包括用于该方法的测试试剂盒。
    • 8. 发明授权
    • Method and device for detecting and identifying chemical agents
    • 用于检测和识别化学试剂的方法和装置
    • US08011224B2
    • 2011-09-06
    • US11631524
    • 2005-06-01
    • Shai KendlerAdi ZifmanNetzah GratzianyAmnon SharonGad Frishman
    • Shai KendlerAdi ZifmanNetzah GratzianyAmnon SharonGad Frishman
    • B01D53/02G01N1/40G01N30/62
    • G01N1/405G01N35/1097
    • A feeding device for enriching and feeding a fluid sample into a chemical detector, the feeding device comprises (a) a sorbent element having a sorbent material for sorbing at least one target chemical present in the fluid sample; (b) a desorbing mechanism for generating conditions for the sorbent material to desorb the at least one target chemical out of the sorbent material, thereby to provide an enriched fluid sample; and (c) a loose connector, for providing a loose connection between the feeding device and the chemical detector, such that when the sorbent material desorbs the at least one target chemical, the chemical detector is fed by the enriched fluid sample, and when the sorbent material sorbs the at least one target chemical, the chemical detector is fed by environmental fluids.
    • 一种用于将流体样品富集和供给到化学检测器的进料装置,所述进料装置包括(a)吸附剂元件,其具有用于吸附流体样品中存在的至少一种目标化学物质的吸附剂材料; (b)解吸机构,用于产生用于吸附剂材料将吸附剂材料中的至少一种目标化学物质解吸的条件,从而提供富集的流体样品; 以及(c)松动的连接器,用于在所述进料装置和所述化学检测器之间提供松散的连接,使得当所述吸附材料解吸所述至少一种目标化学品时,所述化学检测器由富集的流体样品进料, 吸附材料吸收至少一种目标化学物质,化学检测器由环境流体进料。