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GB/T 4333.1-2019: Ferrosilicon - Determination of silicon content - Perchloric acid dehydration gravimetric method and potassium fluosilicate volumetric 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 GB/T 4333.1: Historical versions
Similar standardsGB/T 4333.1-2019: Ferrosilicon - Determination of silicon content - Perchloric acid dehydration gravimetric method and potassium fluosilicate volumetric 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/GBT4333.1-2019 (Ferrosilicon - Determination of silicon content - Perchloric acid dehydration method and potassium fluorosilicate volume method) ICS 77.100 H11 National Standards of People's Republic of China Replace GB/T 4333.1-1984 Determination of silicon iron content Perchloric acid dehydration weight method and potassium fluorosilicate volumetric method Ferrosilicon-Determinationofsiliconcontent-Perchloricaciddehydration Gravimetricmethodandpotassiumfluosilicatevolumetricmethod Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued ForewordThe analysis method of GB/T 4333 ferrosilicon is divided into 9 parts. --- GB/T 4333.1 Determination of silicon iron content - Perchloric acid dehydration weight method and potassium fluorosilicate capacity method; ---GB/T 4333.2 Ferrosilicon chemical analysis method 铋phosphorus molybdenum blue method for the determination of phosphorus; --- GB/T 4333.3 Ferrosilicon chemical analysis method potassium periodate spectrophotometric determination of manganese content; --- GB/T 4333.4 Determination of ferrosilicon content - chrome azurol S spectrophotometry, EDTA titration and flame atomic absorption Spectroscopy --- GB/T 4333.5 Determination of ferrosilicon, manganese, aluminium, calcium, chromium and iron content - Dispersion X-ray fluorescence spectroscopy Glass film method); --- GB/T 4333.6 Determination of chromium content of ferrosilicon - Diphenylcarbonyl hydrazide spectrophotometric method; --- GB/T 4333.7 Determination of sulfur content of ferrosilicon - Infrared absorption method and chromatographic separation of barium sulfate gravimetric method; --- GB/T 4333.8 ferrosilicon chemical analysis method for the determination of calcium by atomic absorption spectrometry; ---GB/T 4333.10 Determination of carbon content of ferrosilicon Infrared absorption method. This part is the first part of GB/T 4333. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 4333.1-1984 "silicon ferrochemical analysis method for determination of silicon by perchloric acid dehydration gravimetric method". This part and Compared with GB/T 4333.1-1984, the main technical changes are as follows. --- Increased scope (see Chapter 1); --- Added normative references (see Chapter 2); --- Increased ammonium thiocyanate solution (see 3.2.10); --- Added equipment and materials (see 3.3); --- Added the use of ammonium thiocyanate solution to check the washing precipitate to iron-free (nickel) ions (see 3.5.4.4); --- Modified the content of the allowable difference, replacing the "permitted difference" with the repetitive limit r and the reproducibility limit R obtained by statistics (see 3.7, 1984). Chapter 6 of the annual edition); --- Added method of potassium difluorosilicate capacity method (see Chapter 4); --- Increased the content of the test report (see Chapter 5); --- Added the normative appendix "Flowchart for Acceptance of Sample Analysis Results" (see Appendix A). This part was proposed by the China Iron and Steel Association. This part is under the jurisdiction of the National Iron and Iron Alloy Standardization Technical Committee (SAC/TC318). This section drafted by. Erdosi Xijin Mining and Metallurgy Co., Ltd., Bengang Steel Plate Co., Ltd., Tianjin Iron and Steel Group Co., Ltd. Company, Ordos City Product Quality Measurement and Inspection Institute, Xinyu Iron and Steel Group Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this section. Li Fengjuan, Zhang Wei, Ma Ning, Yu Lizhen, Xu Wengao, Bai Xuesong, Jiao Bin, Wang Chunguang, Yin Hong, Zhao Dan, Zeng Bo, Yu Shurong, Liu Peng, Tai Jingchao, Li Yuehua, Zhang Qiang, Chen Gang, Lu Fen, Cui Yuwen, Lu Chunsheng. The previous versions of the standards replaced by this section are. ---GB/T 4333.1-1984. Determination of silicon iron content Perchloric acid dehydration weight method and potassium fluorosilicate volumetric method Caution - Personnel using this section should have formal laboratory practice experience. This section does not address all possible security questions. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the relevant national regulations.1 ScopeThis part of GB/T 4333 specifies the determination of silicon in ferrosilicon using the perchloric acid dehydration weight method and the potassium fluorosilicate volumetric method. This section applies to the determination of silicon content in ferrosilicon. Measuring range (mass fraction). 30.00%~98.00%.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. Preparation and preparation of GB/T 4010 ferroalloy chemical analysis sample 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 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 12807 laboratory glass instrument indexing pipette 3 Method 1 Perchloric acid dehydration weight method 3.1 Principle The sample is melted with a sodium carbonate-sodium peroxide mixed flux to convert silicon into a silicate, acidified with hydrochloric acid, and smoked with perchloric acid to cause silicic acid. Dehydration. After washing and washing, the precipitate is burned to a constant amount at 1050 ° C ~ 1100 ° C, hydrofluoric acid is used to volatilize silicon into silicon tetrafluoride, and then The mass fraction of silicon is calculated by burning to a constant amount and the difference in mass before and after treatment with hydrofluoric acid. 3.2 Reagents In the analysis, unless otherwise stated, only the reagents confirmed as analytically pure are used, and the test water is the third and third grades specified in GB/T 6682. Distilled water, deionized water or water of equivalent purity. 3.2.1 Sodium carbonate-sodium peroxide mixed flux. Mix 1 part of anhydrous sodium carbonate and 2 parts of sodium peroxide. 3.2.2 Hydrofluoric acid, ρ = 1.15g/mL. 3.2.3 Perchloric acid, ρ = 1.67 g/mL. 3.2.4 Hydrochloric acid, ρ = 1.19 g/mL. 3.2.5 Ammonia water, ρ = 0.9g/mL. 3.2.6 Hydrochloric acid, 1 1. GB/T 4333.1-2019 (Ferrosilicon - Determination of silicon content - Perchloric acid dehydration method and potassium fluorosilicate volume method) ICS 77.100 H11 National Standards of People's Republic of China Replace GB/T 4333.1-1984 Determination of silicon iron content Perchloric acid dehydration weight method and potassium fluorosilicate volumetric method Ferrosilicon-Determinationofsiliconcontent-Perchloricaciddehydration Gravimetricmethodandpotassiumfluosilicatevolumetricmethod Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issuedForewordThe analysis method of GB/T 4333 ferrosilicon is divided into 9 parts. --- GB/T 4333.1 Determination of silicon iron content - Perchloric acid dehydration weight method and potassium fluorosilicate capacity method; ---GB/T 4333.2 Ferrosilicon chemical analysis method 铋phosphorus molybdenum blue method for the determination of phosphorus; --- GB/T 4333.3 Ferrosilicon chemical analysis method potassium periodate spectrophotometric determination of manganese content; --- GB/T 4333.4 Determination of ferrosilicon content - chrome azurol S spectrophotometry, EDTA titration and flame atomic absorption Spectroscopy --- GB/T 4333.5 Determination of ferrosilicon, manganese, aluminium, calcium, chromium and iron content - Dispersion X-ray fluorescence spectroscopy Glass film method); --- GB/T 4333.6 Determination of chromium content of ferrosilicon - Diphenylcarbonyl hydrazide spectrophotometric method; --- GB/T 4333.7 Determination of sulfur content of ferrosilicon - Infrared absorption method and chromatographic separation of barium sulfate gravimetric method; --- GB/T 4333.8 ferrosilicon chemical analysis method for the determination of calcium by atomic absorption spectrometry; ---GB/T 4333.10 Determination of carbon content of ferrosilicon Infrared absorption method. This part is the first part of GB/T 4333. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 4333.1-1984 "silicon ferrochemical analysis method for determination of silicon by perchloric acid dehydration gravimetric method". This part and Compared with GB/T 4333.1-1984, the main technical changes are as follows. --- Increased scope (see Chapter 1); --- Added normative references (see Chapter 2); --- Increased ammonium thiocyanate solution (see 3.2.10); --- Added equipment and materials (see 3.3); --- Added the use of ammonium thiocyanate solution to check the washing precipitate to iron-free (nickel) ions (see 3.5.4.4); --- Modified the content of the allowable difference, replacing the "permitted difference" with the repetitive limit r and the reproducibility limit R obtained by statistics (see 3.7, 1984). Chapter 6 of the annual edition); --- Added method of potassium difluorosilicate capacity method (see Chapter 4); --- Increased the content of the test report (see Chapter 5); --- Added the normative appendix "Flowchart for Acceptance of Sample Analysis Results" (see Appendix A). This part was proposed by the China Iron and Steel Association. This part is under the jurisdiction of the National Iron and Iron Alloy Standardization Technical Committee (SAC/TC318). This section drafted by. Erdosi Xijin Mining and Metallurgy Co., Ltd., Bengang Steel Plate Co., Ltd., Tianjin Iron and Steel Group Co., Ltd. Company, Ordos City Product Quality Measurement and Inspection Institute, Xinyu Iron and Steel Group Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this section. Li Fengjuan, Zhang Wei, Ma Ning, Yu Lizhen, Xu Wengao, Bai Xuesong, Jiao Bin, Wang Chunguang, Yin Hong, Zhao Dan, Zeng Bo, Yu Shurong, Liu Peng, Tai Jingchao, Li Yuehua, Zhang Qiang, Chen Gang, Lu Fen, Cui Yuwen, Lu Chunsheng. The previous versions of the standards replaced by this section are. ---GB/T 4333.1-1984. Determination of silicon iron content Perchloric acid dehydration weight method and potassium fluorosilicate volumetric method Caution - Personnel using this section should have formal laboratory practice experience. This section does not address all possible security questions. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the relevant national regulations.1 ScopeThis part of GB/T 4333 specifies the determination of silicon in ferrosilicon using the perchloric acid dehydration weight method and the potassium fluorosilicate volumetric method. This section applies to the determination of silicon content in ferrosilicon. Measuring range (mass fraction). 30.00%~98.00%.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. Preparation and preparation of GB/T 4010 ferroalloy chemical analysis sample 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 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 12807 laboratory glass instrument indexing pipette 3 Method 1 Perchloric acid dehydration weight method 3.1 Principle The sample is melted with a sodium carbonate-sodium peroxide mixed flux to convert silicon into a silicate, acidified with hydrochloric acid, and smoked with perchloric acid to cause silicic acid. Dehydration. After washing and washing, the precipitate is burned to a constant amount at 1050 ° C ~ 1100 ° C, hydrofluoric acid is used to volatilize silicon into silicon tetrafluoride, and then The mass fraction of silicon is calculated by burning to a constant amount and the difference in mass before and after treatment with hydrofluoric acid. 3.2 Reagents In the analysis, unless otherwise stated, only the reagents confirmed as analytically pure are used, and the test water is the third and third grades specified in GB/T 6682. Distilled water, deionized water or water of equivalent purity. 3.2.1 Sodium carbonate-sodium peroxide mixed flux. Mix 1 part of anhydrous sodium carbonate and 2 parts of sodium peroxide. 3.2.2 Hydrofluoric acid, ρ = 1.15g/mL. 3.2.3 Perchloric acid, ρ = 1.67 g/mL. 3.2.4 Hydrochloric acid, ρ = 1.19 g/mL. 3.2.5 Ammonia water, ρ = 0.9g/mL. 3.2.6 Hydrochloric acid, 1 1. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 4333.1-2019 be delivered?Answer: The full copy PDF of English version of GB/T 4333.1-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 4333.1-2019_English with my colleagues?Answer: Yes. 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