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A mobile combined device for rapid determination of specific components in chemical fertilizers

A rapid measurement and combined device technology, applied in the direction of measuring devices, preparation of test samples, analysis of materials, etc., can solve the problems of potential safety hazards, time-consuming and labor-intensive operations, complicated operations, etc., to speed up the detection progress, detect accurately, and avoid safety hazards hidden effect

Active Publication Date: 2018-01-05
SHANGHAI RES INST OF CHEM IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of colorimetry and atomic absorption spectrophotometry needs to use strong acids and alkalis such as hydrochloric acid and nitric acid, which has certain pollution to the environment, has potential safety hazards, and the operation is complicated, time-consuming and laborious. Therefore, it is urgent to study an easy-to-operate , fast, and a new method that can detect fertilizers in real time to meet the needs of fertilizer production process quality control and fertilizer quality inspection in the circulation field

Method used

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  • A mobile combined device for rapid determination of specific components in chemical fertilizers
  • A mobile combined device for rapid determination of specific components in chemical fertilizers
  • A mobile combined device for rapid determination of specific components in chemical fertilizers

Examples

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Embodiment 1

[0034] like Figure 1-5 As shown, a mobile combination device for rapid determination of specific components in fertilizers, the device includes: sample preparation components (such as Figure 1-3 shown), detection components (such as Figure 4 shown) and substrate array 15 (as Figure 5 shown);

[0035] The sample preparation components include the stressed cabinet frame 2 and the tablet pressing piston 1 placed inside the stressed cabinet frame 2, the double-piece embracing cylinder 5, the PE plastic sample fixing ring 6, the tablet pressing outer cylinder 7, the oil pressure piston 3 and the Double-acting oil cylinder 4; the upper end of the pressing piston 1 is connected to the top inside the stressed cabinet frame 2, and the lower end is placed inside the double-piece engagement cylinder 5, and the piston can move up and down inside the double-piece engagement cylinder 5; A groove matching the PE plastic sample fixing ring 6 is provided at the bottom end of the sheet-...

Embodiment 2

[0045] The device in embodiment 1 is used for the mensuration of phosphorus, potassium, copper, iron, manganese, zinc, magnesium, sulfur, molybdenum in compound fertilizer (15-5-30), and concrete process is as follows:

[0046] Weigh 910.00 g of the compound fertilizer (15-5-30) sample, place the anti-adhesive sheet 8 in the outer cylinder 7 of the tablet, and place the PE plastic sample fixing ring 6 above the anti-adhesive sheet 8, place the double-sheet entwined round The cylinder 5 is placed above the PE plastic sample fixing ring 6, and the sample 9 is placed in the double-piece embracing cylinder 5, according to figure 1 Connect the device. Under the action of the double-acting oil cylinder 4 and the hydraulic piston 3, the tablet pressing piston 1 drives the upper end of the stressed cabinet frame 2 to move downward, so that the double-piece engagement cylinder 5 and the PE plastic sample fixing ring 6 enter the tablet pressing outer cylinder In 7, sample 9 is pressed ...

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Abstract

The invention relates to a mobile combined device for quickly determining specific components in chemical fertilizers. The device includes: a sample preparation part, a detection part and a matrix array (15); before detection, a weighed sample (9) is put into the sample The component is prepared, pressed, and then the pressed sample (9) is taken out, and the specific component in the sample is measured by the detection component, compared with the relevant component in the matrix array (15), and the detection result is obtained. Compared with the prior art, the present invention has the advantages of simple structure, convenient operation and high efficiency.

Description

technical field [0001] The invention relates to a device for measuring chemical fertilizer components, in particular to a mobile combined device for quickly measuring specific components in chemical fertilizers. Background technique [0002] In recent years, cadmium has been found to exceed the standard in rice on the market from time to time. Cadmium rice has become the focus of people's attention, and heavy metal pollution in soil has become a local "public nuisance". Fertilizer application is one of the main sources of heavy metals in soil. Long-term application of fertilizers with high content of heavy metals such as arsenic, cadmium, lead, chromium, and mercury can increase the content of heavy metals in the soil and cause the accumulation of heavy metals in the soil. At the same time, long-term excessive application may affect the quality of agricultural products. Heavy metals in fertilizers enter the food chain through farmland application and affect people's life an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/223G01N1/28
Inventor 段路路刘刚陈明良张小沁薛晓康章明洪
Owner SHANGHAI RES INST OF CHEM IND
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