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Method for determining titanium in titanium alloy powder

A titanium alloy powder and titration technology, which is applied to the determination of titanium in titanium alloy powder and the determination of titanium in insoluble titanium alloy powder, can solve the problem that the iron alloy sample cannot be completely melted, it is not suitable for the determination of high content of titanium, and the accuracy is low. Problems, to avoid splash loss, easy to operate, easy to observe the effect

Pending Publication Date: 2020-10-27
BAOTOU IRON & STEEL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many methods for determining titanium in ores, ferro-titanium, and steel. For example, Zhu Xiaping and others discussed "Rapid Determination of Iron, Titanium, and Vanadium in Insoluble Vanadium-Titanium Magnetite by Microwave Digestion ICP-OES", which introduced the use of complexing agent A and hydrochloric acid. Place the vanadium-titanium-magnetite sample together in a microwave digestion instrument to digest the sample, and then measure the amount of iron, titanium, and vanadium in ICP-OES. This method has low accuracy for the determination of high-content titanium (titanium ≥ 50%) ; Yang Chaoshuai described "Microwave Atmospheric Pressure Alkali Fusion-Hydrogen Peroxide Spectrophotometric Determination of Titanium Dioxide in Oxidized Roasted Vanadium-Titanium Pellets" using sodium peroxide as a flux, and normal pressure microwave digestion of ore samples. The insoluble ferroalloy sample cannot be completely melted, and the photometric method is not suitable for the determination of high content titanium

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0039] The method for determining titanium in titanium alloy powder provided by the present invention comprises the following steps:

[0040] 1) Wash several corundum crucibles and place them in a low-temperature electric furnace for drying. Weigh about 2.0 g of sodium hydroxide in the corundum crucible. Put the crucible into a 300°C muffle furnace and melt it, then take it out and put it in a desiccator for cooling. to room temperature.

[0041] 2) Weigh about 0.1500g of insoluble titanium powder sample into the above corundum crucible, add about 1.5g of sodium peroxide, stir the sodium peroxide and the sample, mix the two, and then cover about 1.0g of peroxide Sodium, along with reagent blank and titanium iron standard sample calibration test.

[0042] 3) Melt the corundum crucible containing the sample in a muffle furnace at 700±10°C for 10min, take it out and cool it to room temperature, wipe the bottom of the crucible with filter paper, put the crucible into a 400mL beak...

example 1

[0052] Weigh standard samples of ferrotitanium (YSBC18604-08), ferrotitanium (YSBC15602-2006), vanadium titanite (YSBC19719-2009), vanadium titanite (YSBC19722-2011) and measure them according to the above method. The results are shown in the following table. 1.

example 2

[0054] Weigh standard samples of ferrotitanium (YSBC18604-08), ferrotitanium (YSBC15602-2006), vanadium ore (YSBC19719-2009), vanadium titanite (YSBC19722-2011) according to the above method (except step 2) different, In the method of this example 2, step 2) is: Weigh about 0.1500g of the sample into the above corundum crucible, add about 2.5g of sodium peroxide, stir the sodium peroxide and the sample, make the two evenly mixed, and will be used soon The amount of sodium peroxide used to mix with the sample at one time) was measured, and the results are shown in Table 1 below.

[0055] Table 1: Sample Assay Results

[0056]

[0057] As can be seen from the above table 1 results, with respect to the method of example 2 (the only difference with the method provided by the invention is that the sodium peroxide of the usage amount is added at one time and mixed with the sample), the method of example 1 (that is, the method provided by the invention) is adopted. ) has higher a...

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Abstract

The invention discloses a method for determining titanium in titanium alloy powder, and belongs to the technical field of ferrous metallurgy analysis. According to the method provided by the invention, after the sodium hydroxide-sodium peroxide is adopted to melt the sample, the titanium is determined by using an oxidation-reduction volumetric method, the method is high in determination accuracy,simple and convenient to operate and particularly suitable for determining a high-content titanium sample, the determination range is 10.0-80.0% of Ti, and the method can be popularized and used in alarge range.

Description

technical field [0001] The invention belongs to the technical field of iron and steel metallurgy analysis, in particular to a method for determining titanium in titanium alloy powder, and in particular to a method for determining titanium in insoluble titanium alloy powder. Background technique [0002] Titanium is an alloying element of steel. Titanium as a deoxidizer will reduce the oxygen content of steel. The deoxidation capacity of titanium is much higher than that of silicon and manganese, and it can reduce the segregation of steel ingots and improve the quality of steel ingots. Titanium is used as an alloying agent. The main raw material for special steel grades, it can increase the strength, corrosion resistance and stability of steel. [0003] At present, there are many methods for the determination of titanium in ores, ferrotitanium and iron and steel. For example, Zhu Xiaping et al discussed "Rapid Determination of Iron, Titanium and Vanadium in Insoluble Vanadium...

Claims

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Application Information

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IPC IPC(8): G01N31/16G01N21/78
CPCG01N31/16G01N21/78
Inventor 卢艳蓉魏淑梅
Owner BAOTOU IRON & STEEL GRP
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