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Determination of sodium, magnesium, calcium, iron, vanadium, nickel, copper in crude oil. Microwave ashing-inductively coupled plasma atomic emission spectrometry
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Basic data | Standard ID | SN/T 3186-2012 (SN/T3186-2012) | | Description (Translated English) | Determination of sodium, magnesium, calcium, iron, vanadium, nickel, copper in crude oil. Microwave ashing-inductively coupled plasma atomic emission spectrometry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | E21 | | Classification of International Standard | 75.040 | | Word Count Estimation | 8,845 | | Quoted Standard | GB/T 602; GB/T 4756; GB/T 6682 | | Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the crude sodium, magnesium, calcium, iron, vanadium, nickel, copper, microwave ashing Inductively coupled plasma atomic emission spectrometric method. This standard applies to crude oil, sodium, magnesium, calcium, iron, vanadium, | SN/T 3186-2012: Determination of sodium, magnesium, calcium, iron, vanadium, nickel, copper in crude oil. Microwave ashing-inductively coupled plasma atomic emission spectrometry
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Determination of sodium, magnesium, calcium, iron, vanadium, nickel, copper in crude oil.Microwave ashing-inductively coupled plasma atomic emission spectrometry
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Crude sodium, magnesium, calcium, iron, vanadium, nickel, copper element
Determination of Microwave Ashing - Inductively Coupled Plasma
Emission Spectrometry
Determinationofsodium, magnesium, calcium, iron, vanadium,
nickel, copperincrudeoil-Microwaveashing-inductively
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Accordance with the standards GB/T 1.1-2009, rules GB/T 20001.4-2001 given draft.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China, Ningbo Entry-Exit-Entry Inspection and People's Republic of China Fujian
Quarantine Bureau.
The main drafters of this standard. Wang Hao, Wu bud, F. Jue Lin Zhenxing, Cheng Shigang Huang Walter.
Crude sodium, magnesium, calcium, iron, vanadium, nickel, copper element
Determination of Microwave Ashing - Inductively Coupled Plasma
Emission Spectrometry
1 Scope
This standard specifies the microwave crude sodium, magnesium, calcium, iron, vanadium, nickel, copper ash by inductively coupled plasma emission spectrometry method.
This standard applies to the determination of the lower limit of sodium in crude oil, the determination of magnesium, calcium, iron, vanadium, nickel, copper, sodium, magnesium, calcium, iron, vanadium, nickel, copper. sodium
0.2mg/kg, magnesium 0.02mg/kg, calcium 0.02mg/kg, iron 0.02mg/kg, vanadium 0.05mg/kg, Ni 0.05mg/kg, copper
0.05mg/kg.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents
GB/T 4756 petroleum liquids hand sampling method
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
The samples were microwave ashing treatment with dilute hydrochloric acid to dissolve the resulting ash, set the volume. Test solution by inductively coupled plasma atomic emission spectroscopy measurements
It determines the content of each element according to the working curve.
4 Reagents and materials
Unless otherwise indicated in the analysis using only the gifted class pure reagents and in line with GB/T 6682 secondary water.
4.1 hydrochloric acid (ρ = 1.18g/cm3).
4.2 hydrochloric acid solution (5050), volume ratio.
4.3 hydrochloric acid solution (298), the volume ratio.
4.4 sodium, magnesium, calcium, iron, vanadium, nickel, copper single element standard stock solution (1000μg/mL). Each standard solution according to GB/T 602 method
Preparation, or directly with the national standard material.
4.5 Quantitative filter paper.
5 Instruments
5.1 Inductively coupled plasma atomic emission spectroscopy (ICP-AES).
5.2 Microwave ashing furnace temperature program can be carried out using a range of room temperature ~ 1200 ℃, temperature sensing the amount of ± 1 ℃.
5.3 electric stove, 1000W ~ 2000W, power adjustable.
5.4 a platinum crucible, capacity 80mL ~ 100mL.
...
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