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GB/T 8151.10: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 8151.10-2012 | English | 90 |
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Methods for chemical analysis of zinc concentrates -- Part 10: Determination of tin content -- Hydride generation-atomic fluorescence spectrometry
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| GB/T 8151.10-2000 | English | 279 |
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Methods for chemical analysis of zinc concentrates -Determination of tin content
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| GB/T 8151.10-1987 | English | RFQ |
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Methods for chemical analysis of zinc concentrates--The phenyl fluorone spectrophotometric method for the determination of tin content
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GB/T 8151.10-2012: Methods for chemical analysis of zinc concentrates -- Part 10: Determination of tin content -- Hydride generation-atomic fluorescence spectrometry
---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/GBT8151.10-2012
GB
ICS 77.120.60
H 13
NATIONAL STANDARD
Replacing GB/T 8151.10-2000
Methods for chemical analysis of zinc concentrates -
Part 10.Determination of tin content - Hydride
generation - Atomic fluorescence spectrometry
Issued on: DECEMBER 31, 2012
Implemented on: OCTOBER 01, 2013
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Abstract of method... 5
3 Reagents... 5
4 Instruments... 6
5 Sample... 6
6 Analysis procedure... 6
7 Result calculation... 8
8 Precision... 8
9 Test report... 9
Foreword
GB/T 8151 Methods for chemical analysis of zinc concentrates consists of 20 parts as
follows.
— Part 1.Determination of zinc content — Precipitate separation - Na2 EDTA
titrimetric method and extractive separation - Na2 EDTA titrimetric method;
— Part 2.Determination of sulfur content — The combustion neutralization titrimetric
method;
— Part 3.Determination of iron content — Na2 EDTA titrimetric method;
— Part 4.Determination of silicon dioxide content — Molybdenum blue
spectrophotometry;
— Part 5.Determination of lead content — The flame atomic absorption spectrometric
method;
— Part 6.Determination of copper content — The flame atomic absorption
spectrometric method;
— Part 7.Determination of arsenic content — Hydride generation-atomic
fluorescence spectrometry and the potassium bromate titrimetric method;
— Part 8.Determination of cadmium content — The flame atomic absorption
spectrometric method;
— Part 9.Determination of fluorine content — The ion selective electrode method;
— Part 10.Determination of tin content — Hydride generation - atomic fluorescence
spectrometry;
— Part 11.Determination of antimony content — Hydride generation-atomic
fluorescence spectrometry;
— Part 12.Determination of sliver content — The flame atomic absorption
spectrometric method;
— Part 13.Determination of germanium content — Hydride generation - atomic
fluorescence spectrometry and the phenyl fluorone spectrophotometric method;
— Part 14.Determination of nickel content — The flame atomic absorption
spectrometric method;
— Part 15.Determination of mercury content — Atomic fluorescence spectrometry
method;
Methods for chemical analysis of zinc concentrates - Part
10.Determination of tin content - Hydride generation -
Atomic fluorescence spectrometry
1 Scope
This Part of GB/T 8151 stipulates the methods for determination of tin content in zinc
concentrates.
This Part is applicable to the determination of tin content in zinc concentrates.
Determination range is 0.0030%~0.50%.
2 Abstract of method
Fuse and decompose the specimen with sodium carbonate and sodium peroxide. In 2%
hydrochloric acid medium, and in hydride generator, tin is reduced to hydride by potassium
borohydride. Use argon to induce into quartz furnace atomizer. Measure the fluorescence
intensity on AFS (atomic fluorescence spectrometer).
3 Reagents
Unless otherwise stated, use only the reagent confirmed as AR, and distilled water or
deionized water or water with certain purity.
3.1 Anhydrous sodium carbonate.
3.2 Sodium peroxide.
3.3 Sulfuric acid (ρ1.84g/mL).
3.4 Hydrochloric acid (ρ1.19g/mL).
3.5 Hydrochloric acid (1+1).
3.6 Hydrochloric acid (1+49).
3.7 Sulfuric acid (1+9).
3.8 Potassium hydroxide solution (5g/L).
3.9 Potassium borohydride solution (20g/L). measure 10g of potassium borohydride and
dissolve it in 500mL of potassium hydroxide solution (3.8). Prepare it on the day when it
Obtain 2 independent values of determination results under reproducibility conditions. The
absolute difference between these 2 results shall not be over reproducibility limit (R). The
situation that the absolute difference over reproducibility limit (R) shall not be more than
5%. Reproducibility limit (R) is calculated by linear interpolation method according to Table
3.
Table 3 Reproducibility limit
wSn/% 0.0015 0.019 0.065 0.26 0.53
R /% 0.0010 0.006 0.013 0.06 0.08
9 Test report
This chapter stipulates the content contained in test report. Test report shall at least include
the following information.
— Sample;
— The serial No. of this Part. GB/T 8151.10-2012;
— Analysis result and its expression;
— The differences compared with basic analysis procedure;
— Abnormalities observed in test;
— Test date.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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