Powder solid sampler

Abstract

The invention discloses a powder solid sampler. The sampler comprises a frame type inner chamber, an intermediate chamber and an outer chamber which are arranged in a sequential embedding manner from inside to outside, wherein a longitudinal opening is formed in one sides surface of the outer chamber and close to the top, and a handle of the intermediate chamber is clamped in the longitudinal opening; a space for vertical movement of the intermediate chamber is reserved between the inner chamber and the outer chamber; an opening is formed in the bottom of the outer chamber, and a sampling device is movably arranged at the bottom of the outer chamber; a handle is arranged on one side of the top of the intermediate chamber, a bulldozer is arranged on one side of the intermediate chamber, and an ejector is arranged on the other side of the intermediate chamber; the ejector comprises two parts which are disconnected and correspond up and down, and the maximal gap between the two parts is the same as the height of the sampling device; horizontal lugs are correspondingly arranged on the inner side of the ejector and the inner side of the bulldozer; springs connected with the outer side of the inner chamber are correspondingly arranged on the inner side of the ejector and the inner side of the setting device; the outer side surface of the inner chamber is provided with a longitudinal groove and a spring connected with the intermediate chamber from top to bottom; and a display window with a digital operation knob, a spiral column and a piston adjusting rod are respectively arranged inside the inner chamber from top to bottom and are matched with one another.

Description

technical field [0001] The invention relates to a sampler, in particular to a sampler for conveniently pipetting a certain mass of powder solid. Background technique [0002] The sample chemical analysis process includes sample collection, pretreatment, analysis, data processing, and report filing. In the entire analysis process, sample pretreatment is the most tedious, laborious and error-prone step. According to statistics, people often spend 60% of their time on sample weighing and sample pretreatment, and 30% of the analysis errors of micro and trace items come from sample weighing. [0003] At present, in the testing process of ICP-MS and ICP-OES, the key is to prepare the sample solution, and the key to the preparation of the solid sample solution is the weighing of the sample. In the analysis experiment, the number of samples is large and the required amount is small. It is time-consuming and labor-intensive, and there are large errors, so this not only does not meet...

AI Technical Summary

Problems solved by technology

[0005] Although this adjustable micro-solid powder sampler has a simple structure design and convenient operation, there are serious defects in the sampling operation process: first, the filling state of the sample at the cup mouth and the occurrence of abnormal leakage cannot be guaranteed during the sampling process of the inverted cup-shaped container Moreover, the difference in the bulkiness of the sample powder and the user's operating strength will lead to different compactness of the samples taken, which in turn will lead to a large gap in the quality of the samples taken, resulting in uneven quality of the samples taken, resulting in There is a large error in the sampling process; secondly, the sampling hole is a closed space, and after each sample is pipetted, it cannot be cleaned, and after multiple pipetting of different samples, it is easy to contaminate other samples and cause large errors

[0009] This catalyst sampler solves the problems of small sampling volume, poor universal applicability and inability to continuously sample solid particles or powder samplers, but this sampler is suitable for sampling operations on catalytic beds of different depths inside the reactor. For sampling, the volume is relatively large and the operation is relatively cumbersome

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