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Sampling device

The technology of a sampler and a sampling port, which is applied in the field of laboratory equipment, can solve problems such as inconvenience and cumbersome steps, and achieve the effects of simple structure, convenient and quick operation, and improved work efficiency

Inactive Publication Date: 2013-04-24
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is true for the need for precise weighing such as the preparation of liquid reagents, standard solutions, etc., but the amount weighed in many samples or solid reagents in routine experiments is a range, and does not need to be accurate to a certain value. At this time, it is cumbersome to add the sample with the sample spoon. The sample needs to be added to the sulfuric acid paper with the sample spoon and then weighed on the balance. inconvenient

Method used

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Examples

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Embodiment 1

[0013] Example 1 Such as figure 1 -3, a sampler of the present invention includes a handle 1, the handle 1 is a circular plate, one side of the circular plate is connected to one end of the cross-shaped strut 2; the other end of the cross-shaped strut 2 is connected to the piston disc 3 connection; the plug disc 3 and the cross-shaped pole 2 are placed inside the round tube 5; the circular supporting plate 4 is flush with the round mouth of one end of the round tube 5; the sampling port 6 at the other end of the round tube 5 is Slanted mouth, sampling port 6 is oval; Scraper 7 is a square plate, one of the sides has a blade, which is used to scrape the sample when sampling; Scale 8 is arranged on the circular tube 5 to measure the volume of the sample.

[0014] The use dynamics of a sampler of the present invention: the samples weighed in the laboratory work are all crushed, ground and sieved, so the quality of similar samples of equal volume is basically the same. The pre...

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Abstract

The invention relates to a sampling device. The sampling device is provided with a calibrated scale, it is convenient to quantitively adjust sampling amount by using a piston, so every sampling amount is identical, and repeated operations of increase and decrease of sampling amount during weighing of a same sample are avoided. The sampling device provided by the invention has a simple structure, is convenient and fast to operate, is especially applicable to weighing of mass samples and enables labor and time to be saved and work efficiency to be substantially improved.

Description

technical field [0001] The invention relates to a sampler and belongs to the field of laboratory appliances. Background technique [0002] In the daily work of the laboratory, sample spoons are often used to measure solid powder soil samples, plant samples or reagents, then place them on sulfuric acid paper, put them on a balance, weigh them, and then add them to beakers, triangular flasks and other containers. This is true for the need for precise weighing such as the preparation of liquid reagents, standard solutions, etc., but the amount weighed in many samples or solid reagents in routine experiments is a range, and does not need to be accurate to a certain value. At this time, it is cumbersome to add the sample with the sample spoon. The sample needs to be added to the sulfuric acid paper with the sample spoon and then weighed on the balance. inconvenient. Contents of the invention [0003] The invention relates to a sampler whose purpose is to solve the deficienci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/04
Inventor 张少庆王国平张玉霞
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S