SN/T 3365-2012 PDF English
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Determination of lead, iron, titanium, copper, manganese, zinc, chromium, aluminium content in quartz sand. Inductively couple plasma atomic emission spectrometric method
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SN/T 3365-2012: Determination of lead, iron, titanium, copper, manganese, zinc, chromium, aluminium content in quartz sand. Inductively couple 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/SNT3365-2012
SN
ENTRY & EXIT INSPECTION & QUARANTINE STANDARD
Determination of lead, iron, titanium, copper,
manganese, zinc, chromium, aluminum content in
quartz sand - Inductively couple plasma atomic
emission spectrometric method
Issued on. DECEMBER 12, 2012
Implemented on. JULY 01, 2013
Issued by. General Administration of Quality Supervision Inspection and
Quarantine of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Method summary... 4
4 Reagents and materials... 4
5 Instruments and equipment... 5
6 Specimen... 6
7 Analytical procedures... 6
8 Result calculation... 7
9 Precision... 7
Appendix A (Informative) Instrument working conditions and element analysis
line wavelength parameters... 8
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by and shall be under the jurisdiction of the
National Certification and Accreditation Administration Committee.
Drafting organization of this standard. Shandong Entry-Exit Inspection and
Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Xue Qiuhong, Ye Xiwen, Liu Zhi, Niu
Zengyuan, Wang Yan, Li Yanqiu, Ding Yulong.
Determination of lead, iron, titanium, copper,
manganese, zinc, chromium, aluminum content in
quartz sand - Inductively couple plasma atomic
emission spectrometric method
1 Scope
This standard specifies the inductively coupled plasma emission spectrometry
method for the determination of lead, iron, titanium, copper, manganese, zinc,
chromium, aluminum in quartz sand.
This method is suitable for the determination of lead, iron, titanium, copper,
manganese, zinc, chromium, and aluminum in quartz sand. The detection limits
of each element are. lead 0.57 μg/g; iron 0.67 μg/g, titanium 0.88 μg /g; copper
0.24 μg/g; manganese 0.25 μg/g; zinc 0.35 μg/g; chromium 0.29 μg/g;
aluminum 0.56 μg/g.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 6682 Water for analytical laboratory use - Specification and test
methods
3 Method summary
The sample is dissolved with hydrofluoric acid and perchloric acid, heated and
evaporated to dryness until the white smoke of perchloric acid is exhausted; the
residue is dissolved with dilute nitric acid, measured by inductively coupled
plasma emission spectrometer.
4 Reagents and materials
Unless otherwise specified, only use premium grade pure reagents and grade-
2 water that meets the requirements of GB/T 6682.
4.1 Perchloric acid (ρ = 1.768 g/mL).
4.2 Nitric acid (ρ = 1.40 g/mL).
4.3 Hydrofluoric acid (ρ = 1.18 g/mL).
4.4 Diluted nitric acid (1 + 2).
4.10 manganese standard solution (1000 μg/mL), commercially available
standard material (certified).
4.11 Zinc standard solution (1000 μg/mL), commercially available standard
material (certified).
4.12 Chromium standard solution (1000 μg/mL), commercially available
standard material (certified).
4.13 Aluminum standard solution (1000 μg/mL), commercially available
standard material (certified).
5 Instruments and equipment
5.1 Inductively coupled plasma emission spectrometer. See Appendix A for
working conditions.
5.2 Crucible. Platinum crucible or platinum-gold crucible (95% Pt + 5% Au).
5.4 Analytical balance. Sensitivity is 0.1 mg.
5.5 Agate mortar.
6 Specimen
Weigh about 20 g of specimen in a weighing bottle. Place the specimen in an
oven at 105 °C for 2 hours. Take it out.
7 Analytical procedures
7.1 Sample digestion
Accurately weigh 1.0 g of sample (accurate to 0.1 mg) into the crucible (5.2).
Add 15 mL of hydrofluoric acid (4.3) and 0.5 mL of perchloric acid (4.1).
7.2 Determination
Use the 5% nitric acid solution (4.5) to dilute the mixed standard working
solution (4.14) gradually to a series of standard solutions which have
concentration of 0.0 μg/mL, 0.5 μg/mL, 2.0 μg/mL, 5.0 μg/mL, 10.01 μg/mL.
8 Result calculation
Calculate the content of each measured element in the sample according to
formula (1).
9 Precision
Under repeatability conditions, the absolute difference between two
independent determination results is not more than 10% of the arithmetic mean.
Appendix A
(Informative)
Instrument working conditions and element analysis line wavelength
parameters
SN/T 3365-2012
SN
ENTRY & EXIT INSPECTION & QUARANTINE STANDARD
Determination of lead, iron, titanium, copper,
manganese, zinc, chromium, aluminum content in
quartz sand - Inductively couple plasma atomic
emission spectrometric method
Issued on. DECEMBER 12, 2012
Implemented on. JULY 01, 2013
Issued by. General Administration of Quality Supervision Inspection and
Quarantine of PRC
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Method summary... 4
4 Reagents and materials... 4
5 Instruments and equipment... 5
6 Specimen... 6
7 Analytical procedures... 6
8 Result calculation... 7
9 Precision... 7
Appendix A (Informative) Instrument working conditions and element analysis
line wavelength parameters... 8
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by and shall be under the jurisdiction of the
National Certification and Accreditation Administration Committee.
Drafting organization of this standard. Shandong Entry-Exit Inspection and
Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Xue Qiuhong, Ye Xiwen, Liu Zhi, Niu
Zengyuan, Wang Yan, Li Yanqiu, Ding Yulong.
Determination of lead, iron, titanium, copper,
manganese, zinc, chromium, aluminum content in
quartz sand - Inductively couple plasma atomic
emission spectrometric method
1 Scope
This standard specifies the inductively coupled plasma emission spectrometry
method for the determination of lead, iron, titanium, copper, manganese, zinc,
chromium, aluminum in quartz sand.
This method is suitable for the determination of lead, iron, titanium, copper,
manganese, zinc, chromium, and aluminum in quartz sand. The detection limits
of each element are. lead 0.57 μg/g; iron 0.67 μg/g, titanium 0.88 μg /g; copper
0.24 μg/g; manganese 0.25 μg/g; zinc 0.35 μg/g; chromium 0.29 μg/g;
aluminum 0.56 μg/g.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 6682 Water for analytical laboratory use - Specification and test
methods
3 Method summary
The sample is dissolved with hydrofluoric acid and perchloric acid, heated and
evaporated to dryness until the white smoke of perchloric acid is exhausted; the
residue is dissolved with dilute nitric acid, measured by inductively coupled
plasma emission spectrometer.
4 Reagents and materials
Unless otherwise specified, only use premium grade pure reagents and grade-
2 water that meets the requirements of GB/T 6682.
4.1 Perchloric acid (ρ = 1.768 g/mL).
4.2 Nitric acid (ρ = 1.40 g/mL).
4.3 Hydrofluoric acid (ρ = 1.18 g/mL).
4.4 Diluted nitric acid (1 + 2).
4.10 manganese standard solution (1000 μg/mL), commercially available
standard material (certified).
4.11 Zinc standard solution (1000 μg/mL), commercially available standard
material (certified).
4.12 Chromium standard solution (1000 μg/mL), commercially available
standard material (certified).
4.13 Aluminum standard solution (1000 μg/mL), commercially available
standard material (certified).
5 Instruments and equipment
5.1 Inductively coupled plasma emission spectrometer. See Appendix A for
working conditions.
5.2 Crucible. Platinum crucible or platinum-gold crucible (95% Pt + 5% Au).
5.4 Analytical balance. Sensitivity is 0.1 mg.
5.5 Agate mortar.
6 Specimen
Weigh about 20 g of specimen in a weighing bottle. Place the specimen in an
oven at 105 °C for 2 hours. Take it out.
7 Analytical procedures
7.1 Sample digestion
Accurately weigh 1.0 g of sample (accurate to 0.1 mg) into the crucible (5.2).
Add 15 mL of hydrofluoric acid (4.3) and 0.5 mL of perchloric acid (4.1).
7.2 Determination
Use the 5% nitric acid solution (4.5) to dilute the mixed standard working
solution (4.14) gradually to a series of standard solutions which have
concentration of 0.0 μg/mL, 0.5 μg/mL, 2.0 μg/mL, 5.0 μg/mL, 10.01 μg/mL.
8 Result calculation
Calculate the content of each measured element in the sample according to
formula (1).
9 Precision
Under repeatability conditions, the absolute difference between two
independent determination results is not more than 10% of the arithmetic mean.
Appendix A
(Informative)
Instrument working conditions and element analysis line wavelength
parameters
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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