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Method for automatically measuring concentration of zirconium in silane on line

A determination method and concentration technology, which are applied in the measurement of color/spectral properties, analysis by chemical reaction of materials, and material analysis by observing the impact on chemical indicators, which can solve the problems of manual calculation, high professional requirements and operation Cumbersome and other problems, to achieve the effect of simple maintenance, reliable operation, and simple instrument structure

Active Publication Date: 2019-07-12
安徽帝业分析仪器有限公司
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an online automatic determination method of silane zirconium concentration, which solves the problems of high professional requirements for traditional laboratory measurement operators, cumbersome operation, and manual calculation of results

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  • Method for automatically measuring concentration of zirconium in silane on line
  • Method for automatically measuring concentration of zirconium in silane on line
  • Method for automatically measuring concentration of zirconium in silane on line

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] figure 1 It is a flow chart of the online automatic determination method for silane zirconium concentration in the embodiment of the present invention.

[0028] See figure 1 , the online automatic determination method of silane zirconium concentration of the embodiment of the present invention, comprises the following steps:

[0029] S1: Preparatory work before detection, check the stock of liquid in the reagent bottle 30 and pure water bucket 32 ​​in the online detector to ensure sufficient amount;

[0030] S2: Start the on-line detector, set parameters on the touch screen 4, use the water pump 23 to extract pure water to rinse the cuvette 36 and the pipeline, and discharge the rinsed waste water into the waste liquid bucket through the waste discharge valve 29;

[0031] S3: extract a set amount of sample liquid from the process flow tank thr...

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Abstract

The invention discloses a method for automatically measuring the concentration of zirconium in silane on line. The method comprises the steps: S1, preparation work before detecting is conducted; S2, an online detector is started, parameters are set on a touch screen, and pure water is pumped by a water pump to rinse a reaction cup and a pipeline; S3, a sample solution is pumped into the reaction cup; S4, a color developing pump pumps a solution into the reaction cup, and a heater and a stirrer are started; S5, a titration pump pumps a titration solution for titration, and meanwhile a visual sensor is started till the read RGB value of the solution is equal to the set target value; and S6, the volume of a dripped-in EDTA standard solution is recorded, and the concentration of the zirconiumin the sample solution is calculated. A silane liquid medicine can be managed and controlled in automatic and unmanned modes, the labor cost is saved, and safety and high efficiency are achieved; through a high-precision visual detection unit, stability and accuracy of endpoint determination are sufficiently ensured; and through high-stability peristaltic pumps, accurate metering of a water sampleand reagents is guaranteed, all the reagents are obtained through the independent peristaltic pumps, and thus cross contamination among the reagents is avoided.

Description

technical field [0001] The invention relates to a method for measuring reagent concentration, in particular to an online automatic determination method for silane zirconium concentration. Background technique [0002] Although the traditional ternary phosphating treatment technology has become the mainstream core technology in the domestic and foreign automotive coating pre-treatment industry, this technology also has many shortcomings, such as high energy consumption, high content of harmful substances, and great harm to the environment and on-site personnel. The process operation is complicated, and the production investment cost is high. The existing zirconium salt and silane composite treatment process and silane surface treatment process are new coating pre-treatment processes that are environmentally friendly, energy-saving, low-emission, and low-cost, and open up new ways for the automotive coating pre-treatment process. Compared with traditional phosphating, silaniz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/79G01N21/27
CPCG01N21/79G01N21/27
Inventor 韩卫杨善萍
Owner 安徽帝业分析仪器有限公司
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