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Online methanol concentration detection technology

A methanol concentration and detection technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of inconvenient application, inability to quickly detect methanol concentration, and inaccurate detection, achieving fast detection speed, fast sample analysis speed, good repeatability

Inactive Publication Date: 2016-09-21
合肥文心智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing online detection of methanol concentration is not accurate enough, the application is not convenient enough, and the concentration of methanol cannot be detected quickly. Therefore, we propose an online detection technology of methanol concentration to solve the above problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of methanol concentration online detection technology that the present invention proposes, comprises the following steps:

[0024] S1, original sample pretreatment: Sampling is carried out through the sampling device, the original sample is obtained, the original sample is randomly divided into 3 parts, and they are respectively packed in volumetric flasks to obtain the sample to be tested;

[0025] S2, measurement of the sample to be tested: measure the mass and volume of the sample to be tested, calculate the density of the sample to be tested through the mass and volume, and input the density data of the sample to be tested into the computer and save it, take the standard methanol solution, and measure the quality of the standard methanol solution and volume, calculate the standard methanol solution density by mass and volume, and input the standard methanol solution density data into the computer and save;

[0026] S3, preliminary concentration measurement: b...

Embodiment 2

[0029] A kind of methanol concentration online detection technology that the present invention proposes, comprises the following steps:

[0030] S1, original sample pretreatment: Sampling is carried out through the sampling device, the original sample is obtained, the original sample is randomly divided into 4 parts, and they are respectively packed in volumetric flasks to obtain the sample to be tested;

[0031] S2, measurement of the sample to be tested: measure the mass and volume of the sample to be tested, calculate the density of the sample to be tested through the mass and volume, and input the density data of the sample to be tested into the computer and save it, take the standard methanol solution, and measure the quality of the standard methanol solution and volume, calculate the standard methanol solution density by mass and volume, and input the standard methanol solution density data into the computer and save;

[0032] S3, preliminary concentration measurement: b...

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PUM

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Abstract

The invention discloses a methanol concentration online detection technology, which includes the following steps: S1, original sample pretreatment: take a sample through a sampling device, obtain the original sample, randomly divide the original sample into 3-5 parts, and put them in volumetric bottles respectively , obtain the sample to be tested; S2, measure the sample to be tested: measure the mass and volume of the sample to be tested, calculate the density of the sample to be tested by the mass and volume, and input the density data of the sample to be tested into the computer and save it, take the standard methanol solution, Measure the mass and volume of the standard methanol solution, calculate the density of the standard methanol solution through the mass and volume, and input the density data of the standard methanol solution into the computer and save it; S3, preliminary concentration measurement: by comparing the density of the sample to be tested with the density of the standard methanol solution. The invention has stable and reliable detection, short detection time, simple and convenient determination method, fast sample analysis speed, accurate qualitative and quantitative, high sensitivity and good repeatability, and is suitable for popularization.

Description

technical field [0001] The invention relates to the technical field of online methanol concentration detection technology, in particular to an online methanol concentration detection technology. Background technique [0002] Methanol is a volatile liquid with a slight alcohol smell, which is very harmful to the human body. my country is a big alcohol consumption country, especially the consumption of liquor ranks first in the world, so it is very important to strictly control the content of methanol in liquor and protect the lives of the people. Liquor contains 38% to 70% ethanol (alcohol). Industrial alcohol is often mixed with harmful ingredient methanol. The source of methanol is the decomposition of pectin endomethyl ester in raw materials and auxiliary materials. It can accumulate in the human body. Even a small amount of methanol can cause chronic poisoning: headache, nausea, blurred vision, and blindness in severe cases. There is no difference in color and taste bet...

Claims

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Application Information

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IPC IPC(8): G01N30/02
CPCG01N30/02G01N2030/025
Inventor 张云峰
Owner 合肥文心智能科技有限公司