Determination method of impurity element content in metal lanthanum
A determination method and technology of impurity elements, applied in the field of atomic emission spectrometry analysis in analytical chemistry, can solve problems such as the influence of analysis results, and achieve the effect of simple pretreatment and rapid determination
Active Publication Date: 2016-04-27
JIANGXI HAOYUN TECH
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Although the matrix contained in metal lanthanum is relatively simple, when the inductively coupled plasma atomic emission spectrometry is used for determination, the matrix interference of the elements to be measured is different, and strong spectral interference can also be generated between the coexisting elements to be measured. Therefore, Both matrix elements and coexisting elements will have a great influence on the analysis results of materials
[0011] Therefore, the analytical method and parameters of analytical instruments for metal lanthanum are different from those of other materials that can be retrieved, and cannot be detected by referring to the analytical methods of other materials
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0042] (1) Preparation of sample solution: Accurately weigh 0.2000g of sample and place it in a 250mL beaker (a small amount of water can be added), add 10mL of nitric acid (1:1), and heat to dissolve. After cooling, transfer it into a 100mL volumetric flask, dilute to the mark with distilled water and mix well to obtain the sample solution to be determined.
[0043] (2) Preparation of working curve standard solution: transfer standard solutions of lanthanum, cerium, praseodymium, neodymium, iron, magnesium and calcium into 100mL volumetric flasks, add 10mL nitric acid (1:1), dilute to the mark with distilled water, shake Evenly, according to the concentration requirements in Table 1, low standard solution STD-1 and high standard solution STD-2 were prepared. Wherein, the concentration of lanthanum standard solution is 10 mg / mL, and the concentration of cerium, praseodymium, neodymium, iron, magnesium and calcium standard solution is 1 mg / mL.
[0044] (3) Determination of ana...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| wavelength | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a measuring method for impurity element content in metal lanthanum. The measuring method comprises the steps of preparing a sample solution, preparing a working curve standard solution, determining an analysis parameter, determining the analyzing wave lengths of a cerium element, a praseodymium element, a neodymium element, an iron element, a magnesium element and a calcium element, determining calibration curves of all the elements, and finally measuring the impurity element content in the metal lanthanum. The method provided by the invention has the advantages that the pretreatment is simple, the time and the labor are saved, and the cost is low.
Description
technical field [0001] The invention relates to a method for analyzing and detecting impurity elements in metals, in particular to a method for measuring the content of impurity elements in metal lanthanum. [0002] The invention belongs to the field of atomic emission spectroscopic analysis in analytical chemistry, and uses inductively coupled plasma atomic emission spectrometry to measure impurity elements in metal lanthanum. Background technique [0003] At present, the methods for impurity element analysis of metallic materials include: [0004] 1. The invention application with application number 200910014394.5 discloses an ICP-MS method for the determination of trace metal impurities in high-purity lead. The method uses high-purity nitric acid to dissolve the sample, removes lead in the sample by electrolysis, uses an inductively coupled plasma mass spectrometer to scan the blank, the standard solution of the working curve, and the element of the sample to be tested b...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/73
Inventor 刘秋红皮雄任权兵郭庭辉
Owner JIANGXI HAOYUN TECH