Injection method suitable for marine instrument

A technology of marine instruments and injection methods, which is applied in the fields of instruments, scientific instruments, chemical method analysis, etc., can solve problems such as difficult control, and achieve the effects of small mutual influence, good stability, and good adaptability

Inactive Publication Date: 2020-06-16
杭州浅海科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The electronic sampling speed is very fast, and the commonly used sampling rate is tens of ksps, or even tens of Msps. With such a high sampling rate, it is very difficult to control sampling at the same reaction level every time.

Method used

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  • Injection method suitable for marine instrument

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Experimental program
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Effect test

Embodiment 1

[0029] For single parameter instruments

[0030] 1) Identify chemical methods and reagents

[0031] According to the requirements of the field application and the characteristics of the tested sample, determine the chemical method used to measure the sample, and then determine the various chemical reagents required and the quantitative relationship between them, and clarify the chemical reaction process and basic steps.

[0032] 2) Determine the minimum single injection volume

[0033] The minimum single injection volume refers to the minimum amount of a single injection, and its main influencing factor is the requirement for data update in field applications. Generally speaking, the minimum single injection volume must be able to update the samples of the entire detection channel. When this condition is met, the collected data can be completely updated every time, and the same sample part will not be detected multiple times. When this condition is not met, only part of the ...

Embodiment 2

[0063] For multiparameter instruments

[0064] Implemented in accordance with the method of single-parameter instruments, and finally the coordination between multi-parameters

[0065] In a multi-parameter instrument, various parameters are measured on the same sample, and all samples are ultimately from the same source. According to the number of sample entrances on the instrument, multi-parameter instruments can be divided into two types: single-port instruments and multi-port instruments.

[0066] Multiport instruments:

[0067] The multi-port instrument has multiple sample input ports, and each parameter can be assigned an input port. The combination of their single-parameter reagents, liquid circuits, detection circuits, power components, etc. can form a complete link for parameter measurement. . On the basis that each parameter can be realized, a complete link of multiple parameters is realized. These parameters are independent of each other and do not affect each ot...

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Abstract

The invention relates to the technical field of ocean detection, in particular to an injection method suitable for an ocean instrument. A sample and a reagent exist at each moment; then, the materialsare fully mixed through a mixing part; the mixed liquid with stable components is formed, the consistency of the chemical reaction degree of the mixed liquid is guaranteed, quantitative pump valve systems are adopted in power systems of a sample and a reagent, the single sample injection process is controllable and adjustable, continuous flowing of the liquid is achieved in the whole liquid pathsystem through continuous repeated sample injection, and the stability of detection data is good.

Description

technical field [0001] The invention relates to the technical field of marine detection, in particular to an injection method suitable for marine instruments. Background technique [0002] The fit between marine-oriented environmental analysis instruments and flow injection is high, and in fact, flow injection is widely used in marine instruments. However, there is a large gap in the measurement accuracy and stability of environmental analyzers facing the ocean, which are mainly affected by the following factors: 1) the influence of air bubbles; 2) the influence of biological adhesion; 3) the influence of chemical reagent imbalance; 4) The complexity of multi-parameter instruments is high. Especially the latter two factors have a great influence on the accuracy and stability of the measurement. [0003] In order to achieve the purpose of rapid measurement, the ocean-facing instruments mostly adopt continuous measurement, and use the flow injection method, and the chemical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/00
CPCG01N31/00
Inventor 童海明桑泉刘鹏王景桦于恩伟
Owner 杭州浅海科技有限责任公司
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