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Method for measuring tin in titanium tetrachloride through ICP-AES

An ICP-AES, titanium tetrachloride technology, applied in the field of tin detection, can solve the problems of low accuracy, cumbersome procedures, and high detection cost, achieve high accuracy and precision, simple and fast operation, and improve accuracy Effect

Inactive Publication Date: 2016-03-02
遵宝钛业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Tin chloride or oxychloride is one of the impurities in titanium tetrachloride. Usually, after production, the tin content of titanium tetrachloride will be tested to determine whether titanium tetrachloride meets the standard, thereby ensuring the quality of titanium sponge. The method of tin in titanium chloride mostly is traditional chemical analysis method, such as, complexometric titration, its step is simple, easy to operate, but accuracy is lower, easily pollutes environment; Spectrophotometry, its detection accuracy is high, but The process is complicated, cumbersome, time-consuming and labor-intensive, and it is easy to cause sample contamination, and then pollute the environment; nuclear magnetic resonance method has high accuracy and is easy to operate, but requires high equipment requirements, high energy consumption, and high detection costs. In addition, Currently commonly used detection methods, the interference of titanium, aluminum, vanadium, iron, and silicon metal elements has a greater impact on the detection results, especially the interference of titanium elements is the largest

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  • Method for measuring tin in titanium tetrachloride through ICP-AES

Examples

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Effect test

Embodiment 1

[0026] A method for measuring tin in titanium tetrachloride with ICP-AES, comprises the following steps:

[0027] Step 1: Instrument Preparation

[0028] Start the Optima7000DV inductively coupled plasma atomic generation spectrometer, after initialization, set the working conditions according to the following parameters:

[0029] High frequency generator power: 1300w

[0030] Plasma gas flow: 10L / min

[0031] Auxiliary argon gas flow: 0.2L / min

[0032] Atomizer flow rate: 0.8L / min

[0033] Observation height: 15mm

[0034] Injection volume: 1.5mL / min

[0035] Washing time: 40s

[0036] Analysis line: 189.928nm

[0037] Step 2: Solution preparation

[0038] Step 2.1: Preparation of tin standard stock solution

[0039] Pipette 10 mL of tin standard solution with a concentration of 1000 μg / mL into a 250 mL volumetric flask, dilute to volume with ultrapure water, and shake well;

[0040] Step 2.2: Preparation of sample solution

[0041] Take 10mL, 20mL, and 30mL of hyd...

Embodiment 2

[0062] A method for measuring tin in titanium tetrachloride with ICP-AES, comprises the following steps:

[0063] Step 1: Instrument Preparation

[0064] Start the Optima7000DV inductively coupled plasma atomic generation spectrometer, after initialization, set the working conditions according to the following parameters:

[0065] High frequency generator power: 1350w

[0066] Plasma gas flow: 20L / min

[0067] Auxiliary argon gas flow: 0.25L / min

[0068] Atomizer flow rate: 0.85L / min

[0069] Observation height: 15mm

[0070] Injection volume: 1.5mL / min

[0071] Washing time: 40s

[0072] Analysis line: 189.928nm

[0073] Step 2: Solution preparation

[0074] Step 2.1: Preparation of tin standard stock solution

[0075] Pipette 10.00 mL of tin standard solution with a concentration of 1000 μg / mL into a 250 mL volumetric flask, dilute to volume with ultrapure water, and shake well;

[0076] Step 2.2: Preparation of sample solution

[0077] Take 10mL, 20mL, and 30mL o...

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Abstract

The invention relates to a tin detection method, in particular to a method for measuring tin in titanium tetrachloride through an ICP-AES. According to the method, an inductive coupling plasma atomic emission spectrometer is mainly utilized for detecting and recycling a sample solution under the set instrument working condition and analysis wavelength, and the sample solution is calibrated simultaneously. The method is simple and fast in operation, feasible and high in recycling rate, accuracy degree and precision degree, interference of titanium on tin detection is eliminated, and measurement of tin in titanium tetrachloride is fully satisfied.

Description

technical field [0001] The invention relates to a tin detection method, in particular to a method for measuring tin in titanium tetrachloride by ICP-AES. Background technique [0002] With the continuous expansion of the sponge titanium industry and the titanium dioxide industry, the demand for titanium tetrachloride has soared, and there are more and more varieties of raw materials for producing titanium tetrachloride. Therefore, the impurity components in titanium tetrachloride are becoming more and more complex. [0003] Tin chloride or oxychloride is one of the impurities in titanium tetrachloride. Usually, after production, the tin content of titanium tetrachloride will be tested to determine whether titanium tetrachloride meets the standard, thereby ensuring the quality of titanium sponge. The method of tin in titanium chloride mostly is traditional chemical analysis method, such as, complexometric titration, its step is simple, easy to operate, but accuracy is lower,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/73G01N1/28
Inventor 杨再江翁启刚蔡增新姜宝伟邹义杨学新
Owner 遵宝钛业有限公司
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