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XB/T 601.2-2008: Chemical analysis methods of lanthanum boride - Determination of Fe, Ca, Mg, Cr, Mn, Cu, Co content - Inductively coupled plasma atomic emission spectrographic method
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Chemical analysis methods of lanthanum boride - Determination of Fe, Ca, Mg, Cr, Mn, Cu, Co content - Inductively coupled plasma atomic emission spectrographic method
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XB/T 601.2-2008
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Basic data | Standard ID | XB/T 601.2-2008 (XB/T601.2-2008) | | Description (Translated English) | Chemical analysis methods of lanthanum boride - Determination of Fe, Ca, Mg, Cr, Mn, Cu, Co content - Inductively coupled plasma atomic emission spectrographic method | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 11,189 | | Date of Issue | 2008-02-01 | | Date of Implementation | 2008-07-01 | | Older Standard (superseded by this standard) | XB/T 601.2-1993; XB/T 601.3-1993; XB/T 601.4-1993; XB/T 601.5-1993; XB/T 601.7-1993; XB/T 601.8-1993 | | Regulation (derived from) | NDRC Announcement No. 11 of 2008; Ministry of Industry and Information Technology Announcement No. 23 of 2017 | | Issuing agency(ies) | National Development and Reform Commission of the People's Republic of China | | Summary | This standard specifies the determination method of iron, calcium, magnesium, chromium, manganese and copper in lanthanum hexaboride. This standard applies to the determination of iron, calcium, magnesium, chromium, manganese, and copper content in lanthanum hexaboride. The measurement range is shown in Table 1. | XB/T 601.2-2008: Chemical analysis methods of lanthanum boride - Determination of Fe, Ca, Mg, Cr, Mn, Cu, Co content - Inductively coupled plasma atomic emission spectrographic method
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Chemical analysis methods of lanthanum boride-Determination of Fe, Ca, Mg, Cr, Mn, Cu, Co content-Inductively coupled plasma atomic emission spectrographic method
Rare Earth Industry Standard of the People's Republic of China
XB/T 601.2-2008
Replacing XB/T 601.2 ~ 601.5-1993, XB/T 601.7 ~ 601.8-1993
Chemical analysis method of lanthanum hexaboride
Determination of iron, calcium, magnesium, chromium, manganese, copper content
Inductively coupled plasma emission spectroscopy
2008-02-01 released
Implementation of.2008-07-01
Issued by the National Development and Reform Commission of the People's Republic of China
Foreword
This standard is divided into the following 5 parts.
XB/T 601.1-2008 Methods for chemical analysis of lanthanum hexaboride. Determination of boron content. Acid-base titration
XB/T 601.2-2008 Methods for chemical analysis of lanthanum hexaboride Determination of iron, calcium, magnesium, chromium, manganese, and copper content inductively coupled plasma
Emission spectroscopy
XB/T 601.3-2008 Methods for chemical analysis of lanthanum hexaboride-Determination of tungsten content-Inductively coupled plasma emission spectrometry
XB/T 601.4-2008 Methods for chemical analysis of lanthanum hexaboride. Determination of carbon content. High frequency induction combustion infrared absorption method
XB/T 601.5-2008 Methods for chemical analysis of lanthanum hexaboride-Determination of acid-soluble silicon content-Silicon molybdenum blue spectrophotometric method
This part is part 2.This part is based on XB/T 601.2-1993 "Methods for chemical analysis of lanthanum hexaboride flame atomic absorption spectrometry"
Method for the determination of calcium content", XB/T 601.3-1993 "Methods for chemical analysis of lanthanum hexaboride flame atomic absorption spectrometry for the determination of magnesium content",
XB/T 601.4-1993 "Methods for chemical analysis of lanthanum hexaboride for the determination of copper content by flame atomic absorption spectrometry", XB/T 601.5-1993 "6
Methods for chemical analysis of lanthanum boride. Determination of manganese content by flame atomic absorption spectrometry", XB/T 601.7-1993 "Methods for chemical analysis of lanthanum hexaboride
Method 1,10-phenanthroline spectrophotometric method for the determination of iron content" and XB/T 601.8-1993 "Methods for chemical analysis of lanthanum hexaboride diphenyl semicarbazide
Consolidated revision of "Spectrophotometric Determination of Chromium Content". This part is compatible with XB/T 601.2~601.5-1993, XB/T 601.7~601.8-1993
The main changes are as follows.
---Inductively coupled plasma emission spectrometry is used;
--- Added precision (repeatability) clause.
This part was proposed and managed by the National Rare Earth Standardization Technical Committee.
This part was drafted by Hunan Rare Earth Metal Materials Research Institute.
This part was drafted by Baotou Rare Earth Research Institute and Beijing Nonferrous Metal Research Institute.
The main drafters of this section. Liu Rongli, Weng Guoqing, Cui Yixin.
Participating drafters of this section. Jiang Tianyi, Cui Aiduan, Shao Rongzhen, Yang Ping.
The previous standard editions replaced by this standard are as follows.
---XB/T 601.2~601.5-1993, XB/T 601.7~601.8-1993.
XB/T 601.2-2008
Chemical analysis method of lanthanum hexaboride
Determination of iron, calcium, magnesium, chromium, manganese, copper content
Inductively coupled plasma emission spectrometry
1 scope
This section specifies the determination method of iron, calcium, magnesium, chromium, manganese and copper in lanthanum hexaboride.
This section applies to the determination of iron, calcium, magnesium, chromium, manganese, and copper content in lanthanum hexaboride. The measurement range is shown in Table 1.
Table 1
Measuring range of measuring elements (mass fraction)/%
Iron 0.0050～0.50
Calcium 0.0050～0.30
Magnesium 0.0005～0.10
Chromium 0.0010～0.10
Manganese 0.0010～0.10
Copper 0.0010～0.10
2 Principles of the method
The sample was dissolved in nitric acid and directly excited by an argon plasma-based light source in a dilute nitric acid medium for spectrometry. Join the law school by standard
The interference of the positive matrix to the measurement.
3 Reagents
3.1 Nitric acid (1+1), pure superior grade.
3.2 Hydrochloric acid (1+1), excellent grade pure.
3.3 Argon ( >99.99%)
3.4 Hydroxylamine hydrochloride. excellent grade pure
3.5 Chromium standard stock solution. Weigh 2.829g of potassium dichromate (reference reagent) baked at 110°C for 1 hour in a.200ml beaker and add
50mL nitric acid (3.1) is heated to dissolve; cooled to room temperature, transferred to a 1000mL volumetric flask, diluted with water to the mark, and mixed. This solution
1ml contains 1mg chromium. Dilute this solution with HNO3 (5+95) into 1mL chromium standard solutions containing 100μg, 10μg and 1μg respectively.
3.6 Manganese standard stock solution. Weigh 1.5825g of manganese dioxide ( >99.999%) baked at 110°C for 1h in a.200ml beaker and add
50ml hydrochloric acid (3.2), add a small amount of hydroxylamine hydrochloride (3.4), heat to dissolve, cool to room temperature, transfer to 1000ml volumetric flask, dilute with water
To the mark, mix well. This solution 1mL contains 1mg manganese. Dilute this solution with HNO3 (5+95) into 1mL containing 100μg and 10μg respectively
And 1μg of manganese standard solution.
3.7 Iron standard stock solution. pipette 1.4298g of iron trioxide ( >99.999%) baked at 110°C for 1h into a.200ml beaker,
Add 50mL hydrochloric acid (3.2) to heat to dissolve, cool to room temperature, transfer to a 1000mL volumetric flask, dilute to the mark with water, and mix. This solution
1ml contains 1mg iron. This solution was diluted with HNO3 (5+95) into 1mL of iron standard solutions containing 100μg, 10μg and 1μg respectively.
3.8 Copper standard storage solution. Pipette 1.2518g of copper oxide ( >99.999%) baked at 110°C for 1h into a.200ml beaker, add
50mL nitric acid (3.1) is heated to dissolve, cooled to room temperature, transferred to a 1000mL volumetric flask, diluted with water to the mark, and mixed. This solution 1mL
Containing 1mg copper, this solution was diluted with HNO3 (5+95) into 1mL copper standard solutions containing 100μg, 10μg and 1μg respectively.
XB/T 601.2-2008
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