Device and method of sampling at the site of soils, sediments and recent, gases, and vapors contained therein

摘要

Device and method for sampling at the site of soils, sediments and recent, gases, and vapors contained therein. It is described a device (400) of on-the-spot sampling of soils, sediments and recentThe gases and vapors of a lower element (100) for crimping in the soil and sample collection of soil or sediment recent, which comprises a cylinder (10) through the external tube (20).Internal pipe (80) and rod (70), pistons (50,60) whose displacement creates the vacuum chamber (120) for collection of sample gases and vapours,A median element (200) to assist the Tang manual in the soil which comprises reel (90) soldier by studs (91,92) to the outer tube (20) and an element (300) above which comprises discs of control (301320330) to oversee the operations of insertion and withdrawal of the soil element (100).The method to operate the device (400) of the invention involves introducing into the soil or sediment recent.The cylinder (10) which makes the sample (101) of the soil raise the two pistons (50) and (60) to a certain level.Then, the so-called pistons (50) and (60) are elevated a bit more, forming a flash chamber (110).By lowering the plunger lower (50), it is the vacuum chamber (120), where they penetrate the gases and vapors may be contained in the provisional chamber (110).The passage pipe (40) existing in the cylinder.