Method of collecting trace samples for analysis

更新时间:2023-07-10 01:43:40 阅读: 评论:0

如何保养皮肤专利名称:Method of collecting trace samples for analysis记忆效率
发明人:Ludmila Danylewych-May,John Henry Davies 申请号:US09/138391
思想总结申请日:19980824
公开号:US05988002A
公开日:
出口收汇核销单
19991123
专利内容由知识产权出版社提供
摘要:A hand held sampling method is carried out using apparatus have a handle, a head connected to the handle and a mechanism for retaining a substrate on the head. The substrate is preferably a sheet- form flexible substrate which is mounted so as to prent a collection portion thereof for collection of a sample. The substrate is preferably of a dimension so as to be readily fitted into the inlet portion of an analyzer. The apparatus is manipulated so that the collection portion of the substrate travers surfaces of interest. The substrate is then removed and placed at the inlet of an analyzer for desorption of a sample. The apparatus enables an area to be sampled quickly and efficiently, while keeping a ur's hands away from the surface, and this enables otherwi inaccessible areas to be sampled. It does not require any intermediate transfer steps, transferring a sample from a collection media to another substrate for subquent analysis.
提高网速的办法申请人:BARRINGER RESEARCH LIMITED
玲珑山代理机构:Bereskin & Parr豆汁焦圈
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