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SN/T 3919-2014: Determination of water-soluble chloride content in iron ores - Ion chromatography
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3919-2014 | English | 209 |
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Determination of water-soluble chloride content in iron ores - Ion chromatography
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SN/T 3919-2014
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Basic data | Standard ID | SN/T 3919-2014 (SN/T3919-2014) | | Description (Translated English) | Determination of water-soluble chloride content in iron ores - Ion chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D31 | | Classification of International Standard | 73.060 | | Word Count Estimation | 8,824 | | Date of Issue | 4/9/2014 | | Date of Implementation | 11/1/2014 | | Quoted Standard | GB/T 6379.2; GB/T 6682; GB/T 6730.1; GB/T 10322.1 | | Regulation (derived from) | State inspection certification (2014) 210 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the ion chromatography method for iron ore in water soluble chlorides. This standard applies to the determination of water soluble chloride content in iron ore, the detection limit: 0.005%. | SN/T 3919-2014: Determination of water-soluble chloride content in iron ores - Ion chromatography
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Ore in water soluble chloride content - Ion Chromatography)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of water soluble chloride content in iron ore
Ion Chromatography
Issued on. 2014-04-09
2014-11-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Wangzhen Kun, newly Hood, Ren Hai, Liu Min, Wang Hong, Li Bin, right, Ann Peng Sheng.
Determination of water soluble chloride content in iron ore
Ion Chromatography
1 Scope
This standard specifies the ion chromatography method for iron ore in water soluble chlorides.
This standard applies to the determination of water soluble chloride content in iron ore, the detection limit (in Cl- meter). 0.005%.
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.
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 6730.1 Method for analysis of chemical analysis of iron pre-dried sample preparation
GB/T 10322.1 iron ore sampling and sample preparation methods
3 Method summary
Ultrasonic extraction sample water and filtered to remove residual miscellaneous, after centrifuged supernatant by pretreatment cartridge to remove impurities from the use
Sub chromatography. Retention time qualitative and quantitative standard curve method.
4 Reagents
Unless otherwise specified, test water line with a water GB/T 6682 regulations.
Sodium chloride 4.1 (reference material).
4.2 methanol (excellent pure).
4.3 chlorine standard stock solution (1.00mg/mL). Weigh 1.6480g pre-ignition at 500 ℃ ~ 600 ℃ to constant weight in sodium chloride
(4.1), dissolve in water and transferred to 1000mL volumetric flask, dilute with water to volume, and mix.
4.4 chlorine standard solution (100.00μg/mL). accurate Pipette chlorine standard stock solution (4.3) 10.00mL in 100mL flask with water
Dilute to volume, and mix.
5 instruments and equipment
5.1 Ion Chromatography. Electrical conductivity detector and hydroxide generator is automatically rinsed.
5.2 Oven. Temperature accuracy 105 ℃ ± 2 ℃.
5.3 balance, a sense of the amount of 0.1mg.
5.4 ultrasonic cleaner.
5.5 centrifuge. speed of not less than 5000r/min.
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