| 摘要 |
<p>A method and a device for continuously providing a sampling carrier (4) are used in a hand-held wiping sampling instrument. The method comprises: firstly, shaping the sampling carrier (4) into a strip; then, folding the strip several times according to a certain length into a layered structure; then, sealing it in a store casing (1) with an exit at one end. The store casing (1) is installed on a proper sampling instrument. When sampling, the strip with a proper length is drawn out and fixed on a wiping surface, and the sampling part is severed for investigation after sampling. The device comprises the continuously folded sampling carrier (4) and the store casing (1) for storing the sampling carrier (4). A seal washer (3) is disposed in the exit of the store casing (1).</p> |
