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YS/T 581.3-2021: (Aluminum fluoride chemical analysis methods and physical properties determination methods - Part 3: Determination of fluorine content)
Status: Valid YS/T 581.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 581.3-2021 | English | 279 |
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(Aluminum fluoride chemical analysis methods and physical properties determination methods - Part 3: Determination of fluorine content)
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YS/T 581.3-2021
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| YS/T 581.3-2012 | English | 399 |
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Determination of chemical contents and physical properties of aluminium fluoride. Part 3: Determination of fluoride content
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YS/T 581.3-2012
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| YS/T 581.3-2006 | English | 279 |
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Determination of chemical contents and physical properties of aluminium fluoride Part 3: Determination of fluoride content distillation-thorium nitrate titration volumetric method
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YS/T 581.3-2006
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PDF similar to YS/T 581.3-2021
Basic data | Standard ID | YS/T 581.3-2021 (YS/T581.3-2021) | | Description (Translated English) | (Aluminum fluoride chemical analysis methods and physical properties determination methods - Part 3: Determination of fluorine content) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H21 | | Word Count Estimation | 12,123 | | Issuing agency(ies) | Ministry of Industry and Information Technology | YS/T 581.3-2012: Determination of chemical contents and physical properties of aluminium fluoride. Part 3: Determination of fluoride content
---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.
Determination of chemical contents and physical properties of aluminium fluoride.Part 3. Determination of fluoride content
ICS 71.100.10
H21
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 581.3-2006
Aluminum fluoride chemical analysis methods and determination of physical performance
Part 3. Determination of fluorine content
aluminiumfluoride-Part 3. Determinationoffluoridecontent
Issued on. 2012-05-24
2012-11-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
YS/T 581 "aluminum fluoride chemical analysis methods and determination of physical performance" is divided into 15 parts.
--- Part 1. Determination of the content of water in wet weight method
Determination burn reductions. --- Part 2
--- Part 3. Determination of fluorine content
--- Part 4. Determination of aluminum content - EDTA volumetric method
--- Part 5. Determination by flame atomic absorption spectrometry sodium content
--- Part 6. molybdenum blue spectrophotometric determination of silica content
--- Part 7. phenanthroline spectrophotometric determination of iron oxide content
--- Part 8. Determination of sulfate content barium sulphate gravimetric method
--- Part 9. molybdenum blue spectrophotometric determination of phosphorus pentoxide content
--- Part 10. Determination of the sulfur content of X-ray fluorescence spectrometry
--- Part 11. Preparation and storage of test samples
--- Part 12. Determination of particle size distribution by sieving
--- Part 13. Determination of repose angle
Determination of bulk density. Part --- Article 14
Determination of free alumina content. --- Part 15
This is Part 3.
This part is YS/T 581.3-2006 revision, a method of increasing the sedimentation lead chlorofluorocarbons - mercuric nitrate volumetric method, and the original distillation -
After editorial changes thorium nitrate volumetric method as the second method, a method of using arbitration.
This section is in accordance with GB/T 1.1-2009 given rules drafted.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This part of the Fushun Aluminum Co., Ltd., China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting.
This section is Neimengguhuo coal Hongjun Aluminum Co., Ltd., Shandong Nanshan Aluminum Co., Ltd Fluoride Chemicals Co., Senate
Plus draft.
The main drafters of this section a method. original Jianchang, Zhang Ying, arrows Ying, Xu Tieling, Wang Yuling, Chen Hongjun, Liu Li.
Method Two main drafters of this section. Wu Yuchun, original Jianchang, namely Jubilee, Xu Tieling, Wang opening day, Wang Yuling, Yao Yongfeng.
This section previously issued as follows.
YS/T 581.3-1994, YS/T 581.3-2006.
Aluminum fluoride chemical analysis methods and determination of physical performance
Part 3. Determination of fluorine content
The method of a CFC lead precipitation - mercuric nitrate volumetric method
1 Scope
This method specifies the method for the determination of fluorine in the aluminum fluoride.
This method is applicable to the determination of aluminum fluoride in the fluorine content. Measurement range. 40.00% - 70.00%.
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.
YS/T 581.13-2006 sample preparation and storage
3 Method summary
Sample anhydrous sodium carbonate, quartz sand mixed, melted at a high temperature, the silicon and aluminum precipitate was separated from the aluminosilicate fluorine, the appropriate
Under acidity, lead was added fluorine ions, the formation of chlorofluorocarbons and fluorine lead precipitation, dissolved in nitric acid, with nitric acid mercury standard solution titrate the amount of chloride ions, indirect calculation
Fluorine content.
4 Reagents
Unless otherwise indicated, analytical reagent used in the analysis and only distilled water or equivalent purity.
Of anhydrous potassium carbonate 4.1 sodium.
4.2 quartz sand.
Nitrate 4.3 (ρ1.42g/mL).
Nitrate 4.4 (ρ1.42g/mL) .( 1 3).
Nitrate 4.5 (ρ1.42g/mL). 2mol/L.
4.6 Glacial acetic acid (ρ1.05g/mL).
4.7 methyl orange. 1g/L alcohol solution.
4.8 nitroso ferrocyanide solution. 100g/L.
4.9 hydrochloride (ρ1.19g/mL). 0.1mol/L.
4.10 lead acetate solution (120g/L). Weigh 120g lead acetate, dissolved in 800mL of water, was added 10 drops of glacial acetic acid (4.6), diluted with water
To 1000mL.
4.11 sodium chloride standard solution (0.10mol/L). excellent pure sodium chloride at 105 ℃ ± 5 ℃ drying 1.5h, accurately weighed 5.846g down
Into a beaker, was added 150mL water dissolved and transferred to 1000mL volumetric flask, dilute to the mark with water and shake.
4.12 CFCs lead bath. Weigh 0.2g of sodium fluoride, dissolved in 100mL water plus 100mL sodium chloride standard solution (4.11), 2mL
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