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X fluorescence determination method for potassium nitrate ashigh-aluminum glass raw material

A high-alumina glass, fluorescence measurement technology, applied in the analysis of materials, material analysis using wave/particle radiation, measuring devices, etc., can solve the difficulty in meeting the requirements of analysis accuracy, environmental pollution of waste liquid in analysis experiments, and cumbersome analysis steps and other problems, to achieve the effect of sample uniformity, improve analysis efficiency, and simple sample processing

Pending Publication Date: 2021-07-09
成都中光电科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reagents required for these two analysis methods are expensive, and the waste liquid in the analysis experiment is likely to cause environmental pollution. At the same time, the operating technical level of the analysts is quite high, and the analysis steps are quite cumbersome. If you are not careful, it is easy to cause incomplete precipitation. Or the titration is not accurate, it is difficult to meet the requirements of the analysis accuracy of high content potassium nitrate in the field of glass manufacturing

Method used

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  • X fluorescence determination method for potassium nitrate ashigh-aluminum glass raw material
  • X fluorescence determination method for potassium nitrate ashigh-aluminum glass raw material
  • X fluorescence determination method for potassium nitrate ashigh-aluminum glass raw material

Examples

Experimental program
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Effect test

Embodiment 1

[0043] Step 1: adopt commercially available potassium nitrate purity standard sample to add commercially available sodium chloride standard substance preparation standard sample, prepare respectively 100g standard series sample 1#, 2#, 3#, 4#, the preparation parameter of described standard sample See Table 1 for the table;

[0044] The standard sample series preparation parameter table of table 1 embodiment 1

[0045]

[0046]

[0047] Step 2: Mix lithium tetraborate and metaboric acid evenly at a mass ratio of 1:1 and use it as a mixed co-solvent;

[0048] Step 3: Weigh 0.4g of the standard sample 1# in the above step 1, and weigh 8g of the mixed co-solvent in the step 2, place them in a petri dish, stir evenly, and form a mixed sample, a total of 8.4g mixed samples;

[0049] Step 4: Transfer the mixed sample of the petri dish in step 3 to a platinum yellow crucible, and drop 1 drop of release agent NH on its surface 4 Br aqueous solution;

[0050] Step 5: Place the...

Embodiment 2

[0064] Step 1: adopt commercially available potassium nitrate purity standard sample to add commercially available sodium chloride standard substance preparation standard sample, prepare respectively 100g standard series sample 1#, 2#, 3#, 4#, the preparation parameter of described standard sample See Table 5;

[0065] The standard sample series preparation parameter table of table 5 embodiment 2

[0066]

[0067]

[0068] Step 2: Mix lithium tetraborate and metaboric acid evenly in a mass ratio of 2:1 as a mixed co-solvent;

[0069] Step 3: Weigh 0.6g of the standard sample 1# in the above step 1, and weigh 9g of the mixed co-solvent in the step 2, place them in a petri dish, stir evenly, and form a mixed sample, a total of 9.6g mixed samples;

[0070] Step 4: Transfer the mixed sample of the petri dish in step 3 to a platinum yellow crucible, and drop 3 drops of release agent NH on its surface 4 I aqueous solution;

[0071] Step 5: Place the platinum yellow crucible...

Embodiment 3

[0086] Step 1: adopt commercially available potassium nitrate purity standard sample to add commercially available sodium chloride standard substance preparation standard sample, prepare respectively 100g standard series sample 1#, 2#, 3#, 4#, the preparation parameter of described standard sample See Table 1 for the table;

[0087] The standard sample series preparation parameter table of table 9 embodiment 3

[0088]

[0089] Step 2: Mix lithium tetraborate and metaboric acid evenly at a mass ratio of 1.5:1 as a mixed co-solvent;

[0090] Step 3: Weigh 0.5g of the standard sample 1# in the above step 1, and weigh 8.5g of the mixed co-solvent in the step 2, place them in a petri dish, stir evenly, and form a mixed sample, a total of 9g mixed samples;

[0091] Step 4: Transfer the mixed sample of the petri dish in step 3 to a platinum yellow crucible, and drop 2 drops of release agent NH on its surface 4 I aqueous solution;

[0092] Step 5: Place the platinum yellow cruc...

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Abstract

The invention discloses an X fluorescence determination method of potassium nitrate as a high-aluminum glass raw material, and belongs to a detection method in the field of glass manufacturing. The method sequentially comprises the following steps: fully mixing a standard sample and a sample to be detected with a mixed fluxing agent (lithium tetraborate and lithium metaborate in a ratio of 2: 1-1: 1) according to a certain dilution ratio (1: 20-1: 15), and transferring the mixture into a platinum yellow crucible; adding a release agent, and respectively melting a standard sample glass sheet and a to-be-detected sample glass sheet by using a high-temperature sample melting furnace according to a set melting time and temperature program; registering the strength and component content of the standard sample glass sheet on an X fluorescence spectrometer, and drawing a standard working curve of the components; and measuring the content of the sample to be measured by using the established standard working curve. The method is an automatic determination method which is high in analysis efficiency and scientific and reliable in analysis result.

Description

technical field [0001] The invention belongs to a detection method in the field of glass manufacturing, and in particular relates to an X-ray fluorescence measurement method of potassium nitrate, a raw material of high-alumina glass. Background technique [0002] Potassium nitrate is a very important raw material in the field of high-alumina glass manufacturing. It is not only one of the components of high-alumina glass, but also a molten salt reagent for subsequent chemical strengthening of glass. In order to ensure the accuracy of ingredients and the reliability of chemical strengthening, it is required that the detection and analysis of its component content must be scientific, accurate and reliable. KNO in industrial potassium nitrate 3 The content requirement of at least 99.4%. [0003] At present, the commonly used analytical methods for detecting potassium nitrate mainly include chemical methods: potassium tetraphenylborate gravimetric method, potassium hydrogen tar...

Claims

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Application Information

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IPC IPC(8): G01N23/223G01N23/2202
CPCG01N23/223G01N23/2202
Inventor 彭寿张冲李兆廷易元任红灿陈英王国全陈晓梅李晓莉
Owner 成都中光电科技有限公司
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