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A device for detecting the acidity and alkalinity of water-soluble substances

A technology of water-soluble substances and detection devices, applied in the direction of color/spectral characteristic measurement, test sample preparation, etc., can solve the problems of cumbersome work, constraints in the dispensing process, and low work efficiency, so as to avoid cumbersome operations and simple test operations , the effect of high degree of automation

Active Publication Date: 2016-08-24
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is cumbersome, and is restricted by the reagents and dispensing process. The detection time is long, the work efficiency is low, and the artificial uncertainty has a great influence on the experimental results.

Method used

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  • A device for detecting the acidity and alkalinity of water-soluble substances
  • A device for detecting the acidity and alkalinity of water-soluble substances
  • A device for detecting the acidity and alkalinity of water-soluble substances

Examples

Experimental program
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Embodiment 1

[0022] This embodiment provides a water-soluble substance acid-base detection device, such as figure 1 As shown, the device includes: an oscillation unit 11 , a heating unit 12 , a photoelectric colorimetric unit 14 and a control unit 13 .

[0023] The oscillating unit 11 is used to contain the liquid to be tested, and the oscillating unit 11 may include an oscillating instrument and a container for containing the liquid to be measured, and the oscillating instrument can drive the container to vibrate. The liquid to be tested in this embodiment is an oil-water mixture, specifically a mixture of transformer oil and distilled water with a specific gravity of 1:1. Before the detection experiment starts, the liquid is added into the oscillation unit 11, and then the device is started. After starting, the control unit 13 controls the heating unit 12 to heat the liquid under test, and when the temperature of the liquid under test is heated to a first temperature threshold, controls...

Embodiment 2

[0032] This embodiment provides a water-soluble substance acid-base detection device, such as figure 2 As shown, on the basis of the above-mentioned embodiments, the device also includes: a first adding unit 21, which is used to send the photoelectric colorimetric signal to the photoelectric colorimetric according to the control signal of the control unit 13 after the oscillating unit 11 discharges the separation liquid. In unit 14, additive liquid is added.

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Abstract

The invention provides a device for detecting the pH value of a water-soluble substance. The device comprises an oscillating unit, a heating unit, a control unit and a photoelectric colorimetric unit, wherein the control unit is used for controlling the heating unit to heat detected liquid, and controlling the oscillating unit to oscillate the detected liquid in the oscillating unit when the temperature of the detected liquid reaches a first temperature threshold; the oscillating unit is controlled to stop oscillating when the oscillation lasts for a first predetermined time, and the oscillating unit is controlled to discharge separation liquid when the temperature of the detected liquid reaches a second temperature threshold; the separation liquid is oscillated to be separated out of the detected liquid; the photoelectric colorimetric unit is used for receiving the separation liquid discharged by the oscillating unit and carrying out photoelectric color comparison on the separation liquid.

Description

technical field [0001] The invention relates to the field of electric appliance control, in particular to a device for detecting the acidity and alkalinity of water-soluble substances. Background technique [0002] The purpose of the pH detection experiment on water-soluble substances is to detect the corrosiveness of the substance. At present, the laboratory usually uses visual colorimetry for water-soluble acid-base detection, that is, through chemical reagents and various instruments, after a series of heating, Reagent preparation and physical reaction, the obtained test sample solution is compared with the existing colorimetric tool, and the pH value is obtained through the chromaticity. [0003] figure 1 Shows the flowchart of the existing water-soluble substance pH detection method, such as figure 1 As shown, the existing detection method is as follows: the experimenter uses a heater to heat the liquid to be tested; when the liquid to be tested is heated to a certain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/27G01N1/34
Inventor 尹玉娟刘杰刘鹏胡东曹晓华孙昭昌孙伟陈世敏
Owner STATE GRID SHANDONG ELECTRIC POWER