YS/T 953.10-2014 PDF English
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Methods for chemical analysis of fire smelting nickel substrate material - Part 10: Determination of nickel, chromium, manganese, cobalt, copper and phosphorus contents - Inductively coupled plasma atomic emission spectrometric method
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YS/T 953.10-2014: Methods for chemical analysis of fire smelting nickel substrate material - Part 10: Determination of nickel, chromium, manganese, cobalt, copper and phosphorus contents - Inductively coupled plasma atomic emission spectrometric method
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YST953.10-2014
YS
NONFERROUS METAL INDUSTRY STANDARD
ICS 77.120.40
H 13
Methods for chemical analysis of fire smelting nickel
substrate material - Part 10.Determination of nickel,
chromium, manganese, cobalt, copper and
phosphorus contents - Inductively coupled plasma
atomic emission spectrometric method
Issued on. OCTOBER 14, 2014
Implemented on. APRIL 01, 2015
Issued by. Ministry of Industry and Information Technology of the PRC
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Method summary... 6
4 Reagents... 6
5 Apparatus... 7
6 Samples... 7
7 Analytical procedures... 7
8 Calculation of analysis results... 9
9 Precision... 9
10 Test report... 10
1 Scope
This Part of YS/T 953 specifies the inductively coupled plasma atomic emission
spectrometric method for the determination of nickel, chromium, manganese,
cobalt, copper and phosphorus contents in the fire smelting nickel substrate
material.
This Part applies to the determination of nickel, chromium, manganese, cobalt,
copper and phosphorus contents in the fire smelting nickel substrate material.
The determination range is shown in Table 1.
Table 1 -- Determination range
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 20066 Steel and iron - Sampling and preparation of samples for the
determination of chemical composition
3 Method summary
USE hydrochloric acid, nitric acid and hydrofluoric acid to dissolve the test
portion; ADD perchloric acid to blow off the fluoride. If necessary, add yttrium
as an internal standard;
4 Reagents
Unless otherwise specified, only reagents confirmed to be analytically pure and
distilled water or deionized water or water of equivalent purity are used in the
analysis.
4.1 Hydrochloric acid (ρ=1.19 g/mL).
4.2 Nitric acid (ρ=1.42 g/mL).
4.6 Mixed standard solution. Respectively PIPETTE 5.00 mL each of copper
and phosphorus single-element standard stock solutions (4.5), 10.00 mL each
of chromium, cobalt, and manganese single-element standard stock solutions
(4.5),
4.7 Yttrium internal standard solution. PIPETTE 25.00 mL of yttrium single-
element standard stock solution (4.5) into a 1000 mL volumetric flask; ADD 50
mL of hydrochloric acid (4.1); USE water to dilute to the mark and mix well. 1
mL of this solution contains 25 μg of yttrium.
5 Apparatus
5.1 Inductively coupled plasma atomic emission spectrometer
Spectral line. There is no special requirement for analysis line. Only
recommended analysis lines are listed in Table 2.
5.2 Short-term stability requirements for the apparatus. When the maximum
mass concentration solution of the measured element is continuously
measured for 5 times, the relative standard deviation of the absolute intensity
of the emitted light shall be less than 0.8%.
6 Samples
TAKE and prepare samples according to GB/T 20066 or appropriate national or
industrial standards.
7 Analytical procedures
7.1 Mass of test portion
According to Table 3, weigh the test portion, accurate to 0.0001 g.
7.4 Determination
7.4.1 Dissolution of test portion
PLACE the test portion (7.1) in a polytetrafluoroethylene beaker; ADD 5 mL of
hydrochloric acid (4.1), 5 mL of nitric acid (4.2); HEAT to no longer react. ADD
2~3 drops of hydrofluoric acid (4.3);
7.4.2 Measurement
On the inductively coupled plasma emission spectrometer, after the apparatus
runs stably, under the selected apparatus working conditions, use the prepared
standard series solution (7.5) to standardize or calibrate the working curve. The
correlation coefficient of the working curve of each element shall be above
0.999.Otherwise it is necessary to re-standardize or re-prepare standard series
solution for standardization. MEASURE the spectral intensity of the analysis
test solution (7.4.1) and the blank test solution (7.3). According to the working
curve, the apparatus automatically processes the data, calculates and outputs
the mass concentration of each element.
8 Calculation of analysis results
The content of each element is calculated by mass fraction wx, expressed in %,
calculated according to formula (1).
9 Precision
9.1 Repeatability
For the measured values of two independent test results obtained under
repeatability conditions, within the average range given below, the absolute
difference between the two test results does not exceed the repeatability limit
(r).
9.2 Reproducibility
For the measured values of two independent test results obtained under
reproducibility conditions, within the average range given below, the absolute
difference between the two test results does not exceed the reproducibility limit
(R).
10 Test report
This clause specifies the content to be included in the test report. At least the
following shall be given.
YS/T 953.10-2014
YS
NONFERROUS METAL INDUSTRY STANDARD
ICS 77.120.40
H 13
Methods for chemical analysis of fire smelting nickel
substrate material - Part 10.Determination of nickel,
chromium, manganese, cobalt, copper and
phosphorus contents - Inductively coupled plasma
atomic emission spectrometric method
Issued on. OCTOBER 14, 2014
Implemented on. APRIL 01, 2015
Issued by. Ministry of Industry and Information Technology of the PRC
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Method summary... 6
4 Reagents... 6
5 Apparatus... 7
6 Samples... 7
7 Analytical procedures... 7
8 Calculation of analysis results... 9
9 Precision... 9
10 Test report... 10
1 Scope
This Part of YS/T 953 specifies the inductively coupled plasma atomic emission
spectrometric method for the determination of nickel, chromium, manganese,
cobalt, copper and phosphorus contents in the fire smelting nickel substrate
material.
This Part applies to the determination of nickel, chromium, manganese, cobalt,
copper and phosphorus contents in the fire smelting nickel substrate material.
The determination range is shown in Table 1.
Table 1 -- Determination range
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 20066 Steel and iron - Sampling and preparation of samples for the
determination of chemical composition
3 Method summary
USE hydrochloric acid, nitric acid and hydrofluoric acid to dissolve the test
portion; ADD perchloric acid to blow off the fluoride. If necessary, add yttrium
as an internal standard;
4 Reagents
Unless otherwise specified, only reagents confirmed to be analytically pure and
distilled water or deionized water or water of equivalent purity are used in the
analysis.
4.1 Hydrochloric acid (ρ=1.19 g/mL).
4.2 Nitric acid (ρ=1.42 g/mL).
4.6 Mixed standard solution. Respectively PIPETTE 5.00 mL each of copper
and phosphorus single-element standard stock solutions (4.5), 10.00 mL each
of chromium, cobalt, and manganese single-element standard stock solutions
(4.5),
4.7 Yttrium internal standard solution. PIPETTE 25.00 mL of yttrium single-
element standard stock solution (4.5) into a 1000 mL volumetric flask; ADD 50
mL of hydrochloric acid (4.1); USE water to dilute to the mark and mix well. 1
mL of this solution contains 25 μg of yttrium.
5 Apparatus
5.1 Inductively coupled plasma atomic emission spectrometer
Spectral line. There is no special requirement for analysis line. Only
recommended analysis lines are listed in Table 2.
5.2 Short-term stability requirements for the apparatus. When the maximum
mass concentration solution of the measured element is continuously
measured for 5 times, the relative standard deviation of the absolute intensity
of the emitted light shall be less than 0.8%.
6 Samples
TAKE and prepare samples according to GB/T 20066 or appropriate national or
industrial standards.
7 Analytical procedures
7.1 Mass of test portion
According to Table 3, weigh the test portion, accurate to 0.0001 g.
7.4 Determination
7.4.1 Dissolution of test portion
PLACE the test portion (7.1) in a polytetrafluoroethylene beaker; ADD 5 mL of
hydrochloric acid (4.1), 5 mL of nitric acid (4.2); HEAT to no longer react. ADD
2~3 drops of hydrofluoric acid (4.3);
7.4.2 Measurement
On the inductively coupled plasma emission spectrometer, after the apparatus
runs stably, under the selected apparatus working conditions, use the prepared
standard series solution (7.5) to standardize or calibrate the working curve. The
correlation coefficient of the working curve of each element shall be above
0.999.Otherwise it is necessary to re-standardize or re-prepare standard series
solution for standardization. MEASURE the spectral intensity of the analysis
test solution (7.4.1) and the blank test solution (7.3). According to the working
curve, the apparatus automatically processes the data, calculates and outputs
the mass concentration of each element.
8 Calculation of analysis results
The content of each element is calculated by mass fraction wx, expressed in %,
calculated according to formula (1).
9 Precision
9.1 Repeatability
For the measured values of two independent test results obtained under
repeatability conditions, within the average range given below, the absolute
difference between the two test results does not exceed the repeatability limit
(r).
9.2 Reproducibility
For the measured values of two independent test results obtained under
reproducibility conditions, within the average range given below, the absolute
difference between the two test results does not exceed the reproducibility limit
(R).
10 Test report
This clause specifies the content to be included in the test report. At least the
following shall be given.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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