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Determination of sodium, magnesium, aluminium, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium, in aquatic products. Microwave digestion. ICP/MS method
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SN/T 2208-2008
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Basic data | Standard ID | SN/T 2208-2008 (SN/T2208-2008) | | Description (Translated English) | Determination of sodium, magnesium, aluminium, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium, in aquatic products. Microwave digestion. ICP/MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X20 | | Classification of International Standard | 67.120.30 | | Word Count Estimation | 10,121 | | Date of Issue | 2008-11-18 | | Date of Implementation | 2009-06-01 | | Regulation (derived from) | National Quality Inspection [2008] No. 577 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the aquatic sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium microwave digestion inductively coupled plasma mass spectrometry. This standard applies to fish, shellfish, algae, sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium and other elements detected. | SN/T 2208-2008: Determination of sodium, magnesium, aluminium, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium, in aquatic products. Microwave digestion. ICP/MS method
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Determination of sodium, magnesium, aluminium, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium, in aquatic products.Microwave digestion.ICP/MS method
Exit inspection and quarantine industry standard book People's Republic of China
Aquatic sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper,
Determination of zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium
Microwave digestion - inductively coupled plasma - mass spectrometry
Posted 2008-11-18
2009-06-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard Annex A, Annex B and Annex C is informative appendix.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Liaoning Province Exit Inspection and Quarantine.
The main drafters of this standard. Sun Yuling, of Interferon generous Xue, Huang Daliang, Zhong Zhiguang, Wang Yuping, Gebao Kun, the key will be high.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Aquatic sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper,
Determination of zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium
Microwave digestion - inductively coupled plasma - mass spectrometry
1 Scope
This standard specifies the microwave aquatic sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium digestion - inductively coupled
Co-Plasma Mass Spectrometry.
This standard applies to fish, shellfish, algae, sodium, magnesium, aluminum, calcium, chromium, iron, nickel, copper, zinc, arsenic, strontium, molybdenum, cadmium, lead, mercury, selenium and other elements
Testing.
2 Method summary
Samples were nitric acid - hydrogen peroxide pre-digested, into the microwave digestion oven, according to the set procedures digestion samples, the digestion fluid volume to a certain body
Plot, directly by ICP-MS. In mass to charge ratio of the quantitative relationship between the strength of its concentration, the measurement sample 16 trace element content.
3 Reagents and materials
Unless otherwise specified, all reagents superior grade pure water was used conductivity greater than or equal 18.2MΩ/cm ultrapure water.
3.1 Nitric acid. pure class distinctions.
3.2 Hydrogen peroxide. pure class distinctions.
3.3 nitric acid (19 + 1, volume ratio). Take 50mL of nitric acid (3.1) was added to 950mL ultrapure water.
3.4 nitrate solution (5 + 1, volume ratio). Take 50mL of nitric acid (3.1) was added to 250mL ultrapure water.
3.5 Tuning liquid (Li, Y, Ce, Tl, Co). 10μg/L, Agilentpart # 5184-3566 or equivalent person.
Elements of more than 3.6 standard stock solution. Na, Mg, Ca, Fe concentration of 1000μg/mL; Sr concentration of 100μg/mL; Al, Cr, Ni, Cu,
Zn, As, Mo, Cd, Pb, Se concentration of 10μg/mL.
More than 3.7 element standard solution. dispensing standard stock solution (3.6) 10mL to 100mL volumetric flask, dilute nitric acid solution (3.3)
To the mark, shake, this standard solution, Na, Mg, Ca, Fe concentration of 100μg/mL; Sr concentration of 10μg/mL, Al, Cr. Ni, Cu,
Zn, As, Mo, Cd, Pb, Se concentration 1μg/mL. Using now.
3.8 mercury standard solution. 10μg/mL.
3.9 mercury standard solution. take the standard stock solution (3.8) 1.0mL in 100mL volumetric flask, dilute to the mark with a solution of nitric acid (3.3)
Degree, shake, this standard solution at a concentration of 0.1μg/mL. Using now.
3.10 internal standard stock solution (6Li, Sc, Ge, Y, In, Tb, Bi). 10mg/L, Agilentpart # 5183-4680 or equivalent person.
3.11 internal standard solution (6Li, Sc, Ge, Y, In, Tb, Bi). Take the internal standard stock solution (3.10) 5mL in 50mL volumetric flask, with a nitric acid solution
(3.3) diluted to the mark, shake, this concentration of internal standard solution of 1mg/L.
3.12 high purity argon gas. more than 99.99% purity.
4 instruments and equipment
4.1 inductively coupled plasma mass spectrometer.
4.2 Analysis of balance. a sense of the amount of 0.001g.
4.3 microwave digestion device.
4.4 PTFE sealing digestion tank. 100mL.
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