Method for testing fluorine ions in fluoride paint

A detection method and fluoride ion technology, applied in the direction of electrochemical variables of materials, etc., can solve the problems of long fluoride ion time, unstable analysis data, large interference, etc., and achieve the effect of rapid analysis

Inactive Publication Date: 2012-05-30
屠国强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] It takes a long time to measure the fluoride ion of fluorine-containing coa

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] 1), electrode positioning correction

[0040] ①First prepare the ionic strength regulator:

[0041] Weigh C 6 H 12 N 4 (Hexamethylenetetramine)142g, KNO 3 (Potassium nitrate) 85g, C 6 H 4 Na 2 O 8 S 2 ·H 2 O (1,2-dihydroxybenzene-3,5-disulfonate sodium titanium iron reagent) 9.97g, dissolved in a 1000ML volumetric flask, diluted with water to the mark, and mixed well.

[0042] ② Put 30ml of 10ppm fluoride ion stock solution and 30ml of ionic strength regulator (TISAB) into a 100ml plastic beaker, mix thoroughly, immerse the electrode in the mixed solution, and correct the electrode position.

[0043] 2) Slope correction of fluoride ion detector

[0044] Put 30ml of 1ppm fluoride ion stock solution and 30ml of ionic strength regulator into a 100ml plastic beaker, and after thoroughly mixing, immerse the electrode in the mixed solution to correct the slope of the electrode.

[0045] 3), measurement steps

[0046] (1) Calibration of ion concentration meter

[0047] ① After cleaning the...

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PUM

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Abstract

The invention discloses a method for testing fluorine ions in fluoride paint, which includes the steps: using a fluorine ion detector to test residual fluorine ions in a tested product, using content (ppm) of the ions in resin 1g to represent the concentration, positioning and correcting electrodes, correcting inclination of the fluorine ion detector, then preparing specimens, testing the specimens, finally a formula that fluorine ion concentration (ppm) in the resin is equal to (concentration A X 1000 X 100)/(varnish volume W X heating residue percentage (%)/100) and also equal to (concentration A X 107)/{varnish volume W X heating residue percentage (%)} to calculate. Compared with the prior art, the fluorine ion electrode method is used to test fluorine ions in the fluoride paint and detect fluorine ion electrodes in the fluorine paint, and analysis is quick, accurate and simple.

Description

technical field [0001] The invention relates to an accurate and simple method for analyzing fluorine ions in fluorine-containing coatings, in particular to a detection method for measuring fluorine ions in fluorine coatings. Background technique [0002] It takes a long time to measure the fluorine ion of fluorine-containing paint by chemical method, and the dryness is large, and the analysis data is unstable. Contents of the invention [0003] Using the fluorine ion electrode method to measure fluoride ions in fluorine coatings mainly uses physical principles to detect fluoride ion electrodes in fluorine materials, and the analysis is fast, accurate and simple. [0004] Technical scheme of the present invention is: [0005] Use a fluoride ion detector to measure the residual fluoride ion in the product, and express its concentration with the content (ppm) in 1 gram of resin. [0006] A detection method for measuring fluoride ions in fluorine coatings, the specific steps...

Claims

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Application Information

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IPC IPC(8): G01N27/26
Inventor 屠国强
Owner 屠国强
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