公开(公告)号：US5753832A

公开(公告)日：1998-05-19

申请号：US966922

申请日：1997-11-10

申请人： Edward E. A. Bromberg ,  George B. Jarvis ,  Karen E. LeBlanc ,  Gregory J. Wendel ,  Carlton Wong ,  Ain A. Sonin

发明人： Edward E. A. Bromberg ,  George B. Jarvis ,  Karen E. LeBlanc ,  Gregory J. Wendel ,  Carlton Wong ,  Ain A. Sonin

IPC分类号： G01N1/00 ,  G01N1/02 ,  G01N1/22 ,  G01N1/24 ,  G01N1/40 ,  G01N35/04 ,  G01N31/00

CPC分类号： G01N1/2205 ,  G01N1/24 ,  G01N2001/024

摘要： In a contact-type vapor and particle sampling apparatus for collecting vapor or particles from a moving subject, a wand having a plurality of sampling holes is oriented so that the holes extend in the direction of movement of the subject. The external width of the wand is less than a characteristic dimension of the contour of the surface of the subject being sampled, and a central fluid flow passage in the wand is sufficiently wide to prevent substantially all particles of on the order of about 10 microns in diameter from colliding with the wall of the wand as they enter the passage. A collector for use with the apparatus includes a gas impermeable material having a high binding affinity for explosives vapor exposed on a surface of a filter woven to trap explosives particles.

摘要翻译： 在用于从运动的对象收集蒸气或颗粒的接触式蒸汽和颗粒取样装置中，具有多个采样孔的棒被定向成使得孔沿被检体的运动方向延伸。 魔杖的外部宽度小于被采集对象的表面轮廓的特征尺寸，并且在魔杖中的中央流体流动通道足够宽以防止基本上所有大约10微米的粒子 直径在进入通道时与魔杖的墙壁碰撞。 用于该设备的收集器包括不透气材料，其对暴露在编织的捕集炸药颗粒的过滤器的表面上的爆炸性蒸气具有高的结合亲和力。