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Determination of calcium, iron, nickel, sodium in petroleun coke. Automic absorption spectrometry(AAS)
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Basic data
| Standard ID | SN/T 1830-2006 (SN/T1830-2006) |
| Description (Translated English) | Determination of calcium, iron, nickel, sodium in petroleun coke. Automic absorption spectrometry(AAS) |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | E44 |
| Classification of International Standard | 75.140 |
| Word Count Estimation | 7,775 |
| Date of Issue | 2006-11-10 |
| Date of Implementation | 2007-05-16 |
| Quoted Standard | GB/T 6003; GB/T 6682; SH/T 0313 |
| Adopted Standard | ASTM D5056-2004, NEQ |
| Regulation (derived from) | Chinese industry standards for record 2007 of 3 (total of 87) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard applies to uncalcined or calcined petroleum coke, calcium, iron, nickel, sodium content. This standard specifies the atomic absorption spectrometry uncalcined or calcined petroleum coke, calcium, iron, nickel, sodium content approach. |
SN/T 1830-2006: Determination of calcium, iron, nickel, sodium in petroleun coke. Automic absorption spectrometry(AAS)
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Determination of calcium, iron, nickel, sodium in petroleun coke.Automic absorption spectrometry (AAS)
People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard
Determination of Calcium, Iron, Nickel and Sodium in Petroleum Coke
Atomic Absorption Spectroscopy (AAS)
Released on.2006-11-10
2007-05-16 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
Appendix A of this standard is an informative annex.
This standard is based on ASTM D5056.2004 "Atomic Absorption Spectroscopy (AAS) for the determination of trace metals in petroleum coke".
This standard is proposed and managed by the National Certification and Accreditation Administration.
This standard was drafted. Xinjiang Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Wang Cheng, Zhang Xulong, Yang Li, Hu Xiaomin.
This standard is the first industry standard for entry-exit inspection and quarantine.
Determination of Calcium, Iron, Nickel and Sodium in Petroleum Coke
Atomic Absorption Spectroscopy (AAS)
1 Scope
This standard applies to the determination of calcium, iron, nickel and sodium in uncalcined or calcined petroleum coke.
This standard specifies the method for the determination of calcium, iron, nickel and sodium in uncalcined or calcined petroleum coke by atomic absorption spectrometry.
The measurement range and detection limit of this standard are shown in Table 1.
Table 1 Element determination range and detection limit unit is milligrams per kilogram
Element content range detection limit
Calcium 20 ~ 225 1.0
Iron 150～500 1.5
Nickel 5 ~.200 1.5
Sodium 15～115 0.2
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
GB/T 6003 test sieve
GB/T 6682 Analytical laboratory water specifications and test methods
SH/T 0313 petroleum coke test
3 Method summary
The sample was ashed at 700 ° C, the ash was melted with lithium tetraborate, and the melt was extracted with hydrochloric acid. The prepared solution was determined by atomic absorption spectrometry for calcium,
Iron, nickel, sodium content.
4 reagents
Unless otherwise stated, the reagents used are of excellent grade and the water is the secondary water specified in GB/T 6682.
4.1 Hydrochloric acid (1+4).
4.2 Lithium tetraborate.
4.3 Barium chloride.
4.4 Lanthanide Addition Solution (100g/L). 175g of cesium chloride is dissolved in 1L of water.
4.5 Diluent. Weigh 20.0g ± 0.1g lithium tetraborate in 100mL platinum gold dish, put into the muffle furnace with temperature rising to 1000 °C ± 10 °C
After 5 min or until the transparent melt is formed, it is taken out and cooled. After placing a stirring magnet in a platinum dish containing molten crystals of lithium tetraborate,
Place the platinum dish in a 2L Teflon beaker. A 50 mL hydrochloric acid solution (4.1) was added to the platinum dish. Temperature controlled magnetic stirrer
Stir and heat until the melt is completely dissolved. After dissolving, remove the platinum dish with a plastic rod. Wash platinum and plastic bars with water and wash
The liquid is added to the solution. Transfer the hot solution all the way to a 2L volumetric flask. Add 1000mL hydrochloric acid solution (4.1), shake and cool to room
temperature. Add 400 mL of lanthanide addition solution (4.4), shake well, and wash to the mark with water.
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