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GB/T 6730.80-2019: Iron ores - Determination of mercury content - Cold atomic absorption spectrometric method Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 6730.80-2019: Iron ores - Determination of mercury content - Cold atomic absorption 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/GBT6730.80-2019 Iron ores - Determination of mercury content - Cold atomic absorption spectrometric method ICS 73.060.10 D31 National Standards of People's Republic of China Determination of mercury content in iron ore Cold atomic absorption spectrometry Ironores-Determinationofmercurycontent- Coldatomicabsorptionspectrometricmethod Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued ForewordGB/T 6730 "Iron Ore" is divided into dozens of parts. This part is the 80th part of GB/T 6730. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the China Iron and Steel Association. This part is under the jurisdiction of the National Iron Ore and Direct Reduced Iron Standardization Technical Committee (SAC/TC317). This section drafted by. Tianjin Entry-Exit Inspection and Quarantine Bureau of Mining Metal Materials Testing Center, Metallurgical Industry Information Standards Institute, China Inspection and Quarantine Science Research Institute, China Inspection National Research Institute (Beijing) Technology Co., Ltd., Tsinghua University. The main drafters of this section. Gu Songhai, Su Mingyue, Guo Fen, Wu Qianqian, Li Quanbin, Chen Zibin, Zou Mingqiang, Qi Xiaohua, Wang Hong, Wang Yunyun, Hu Dexin, Yang Jinkun, Zhao Wei, Wang Sheng, Zhou Chengyu, Ye Jianfeng. Determination of mercury content in iron ore Cold atomic absorption spectrometry Cautions - Personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.1 ScopeThis part of GB/T 6730 specifies the determination of mercury in iron ore by cold atomic absorption spectrometry. This section applies to natural iron ore, iron concentrates and lump ore, including the determination of mercury content in sintered products. Measuring range (mass score). 0.00005%~0.0050%.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6379.1 Accuracy of measurement methods and results (accuracy and precision) Part 1. General and definition GB/T 6379.2 Accuracy of measurement methods and results (accuracy and precision) Part 2. Determination of standard method of measurement Basic method of sex and reproducibility GB/T 6682 Analytical laboratory water specifications and test methods GB/T 6730.1 Preparation of pre-dried samples for iron ore analysis GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 10322.1 Iron ore sampling and sample preparation method GB/T 12806 laboratory glass instrument single standard line volumetric flask GB/T 12807 laboratory glass instrument indexing pipette GB/T 12808 laboratory glass instrument single standard line pipette GB/T 15337 General rules for atomic absorption spectrometry3 PrincipleThe sample was digested with a hydrochloric acid and nitric acid in a closed microwave digestion apparatus. Reduction of mercury ions in solution with stannous chloride under acidic conditions The mercury content was determined by measuring the mercury content at a wavelength of 253.7 nm on a cold atomic absorption spectrometer.4 reagents and materialsIn the analysis, unless otherwise stated, only approved high-grade pure reagents and secondary water in accordance with GB/T 6682 or equivalent in purity are used. Water. 4.1 Hydrochloric acid, ρ≈ 1.19g/mL. 4.2 Nitric acid, ρ ≈ 1.42g/mL. 4.3 Hydrofluoric acid, ρ≈ 1.13g/mL. GB/T 6730.80-2019 Iron ores - Determination of mercury content - Cold atomic absorption spectrometric method ICS 73.060.10 D31 National Standards of People's Republic of China Determination of mercury content in iron ore Cold atomic absorption spectrometry Ironores-Determinationofmercurycontent- Coldatomicabsorptionspectrometricmethod Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issuedForewordGB/T 6730 "Iron Ore" is divided into dozens of parts. This part is the 80th part of GB/T 6730. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the China Iron and Steel Association. This part is under the jurisdiction of the National Iron Ore and Direct Reduced Iron Standardization Technical Committee (SAC/TC317). This section drafted by. Tianjin Entry-Exit Inspection and Quarantine Bureau of Mining Metal Materials Testing Center, Metallurgical Industry Information Standards Institute, China Inspection and Quarantine Science Research Institute, China Inspection National Research Institute (Beijing) Technology Co., Ltd., Tsinghua University. The main drafters of this section. Gu Songhai, Su Mingyue, Guo Fen, Wu Qianqian, Li Quanbin, Chen Zibin, Zou Mingqiang, Qi Xiaohua, Wang Hong, Wang Yunyun, Hu Dexin, Yang Jinkun, Zhao Wei, Wang Sheng, Zhou Chengyu, Ye Jianfeng. Determination of mercury content in iron ore Cold atomic absorption spectrometry Cautions - Personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.1 ScopeThis part of GB/T 6730 specifies the determination of mercury in iron ore by cold atomic absorption spectrometry. This section applies to natural iron ore, iron concentrates and lump ore, including the determination of mercury content in sintered products. Measuring range (mass score). 0.00005%~0.0050%.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6379.1 Accuracy of measurement methods and results (accuracy and precision) Part 1. General and definition GB/T 6379.2 Accuracy of measurement methods and results (accuracy and precision) Part 2. Determination of standard method of measurement Basic method of sex and reproducibility GB/T 6682 Analytical laboratory water specifications and test methods GB/T 6730.1 Preparation of pre-dried samples for iron ore analysis GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 10322.1 Iron ore sampling and sample preparation method GB/T 12806 laboratory glass instrument single standard line volumetric flask GB/T 12807 laboratory glass instrument indexing pipette GB/T 12808 laboratory glass instrument single standard line pipette GB/T 15337 General rules for atomic absorption spectrometry3 PrincipleThe sample was digested with a hydrochloric acid and nitric acid in a closed microwave digestion apparatus. Reduction of mercury ions in solution with stannous chloride under acidic conditions The mercury content was determined by measuring the mercury content at a wavelength of 253.7 nm on a cold atomic absorption spectrometer.4 reagents and materialsIn the analysis, unless otherwise stated, only approved high-grade pure reagents and secondary water in accordance with GB/T 6682 or equivalent in purity are used. Water. 4.1 Hydrochloric acid, ρ≈ 1.19g/mL. 4.2 Nitric acid, ρ ≈ 1.42g/mL. 4.3 Hydrofluoric acid, ρ≈ 1.13g/mL. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |