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YS/T 514.8-2009: Methods for chemical analysis of high-titanium slag and rutile. Part 8: Determination of phosphorus content. Antimony molybdenum blue spectrophotometry YS/T 514.8: Evolution and historical versions
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| YS/T 514.8-2009 | English | 209 |
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Methods for chemical analysis of high-titanium slag and rutile. Part 8: Determination of phosphorus content. Antimony molybdenum blue spectrophotometry
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YS/T 514.8-2009
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| YS/T 514.8-2006 | English | 199 |
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Methods for chemical analysis of high-titanium slag and rutile The EDTA volumetric method for the deter-mination of aluminium oxide content
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YS/T 514.8-2006
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Basic data | Standard ID | YS/T 514.8-2009 (YS/T514.8-2009) | | Description (Translated English) | Methods for chemical analysis of high-titanium slag and rutile. Part 8: Determination of phosphorus content. Antimony molybdenum blue spectrophotometry | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.90 | | Word Count Estimation | 6,638 | | Date of Issue | 2009-12-04 | | Date of Implementation | 2010-06-01 | | Older Standard (superseded by this standard) | YS/T 514.3-2006 | | Regulation (derived from) | MIIT [2009] No. 66 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the high titanium slag and rutile determination of phosphorus content. This standard applies to high titanium slag and rutile in the determination of phosphorus content. Measuring range: 0. 001% to 0. 100 % This standard applies to silicon, arsenic test solution is not more than 3mg determination of phosphorus. | YS/T 514.8-2009: Methods for chemical analysis of high-titanium slag and rutile. Part 8: Determination of phosphorus content. Antimony molybdenum blue spectrophotometry
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Methods for chemical analysis of high-titanium slag and rutile.Part 8. Determination of phosphorus content.Antimony molybdenum blue spectrophotometry
ICS 77.120.90
H14
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 514.3-2006
High titanium slag and rutile chemical analysis
Part 8. determination of phosphorus content
Antimony molybdenum blue spectrophotometry
Posted 2009-12-04
2010-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
YS/T 514 "high titanium slag and rutile chemical analysis method" is divided into 10 parts.
--- Part 1. Determination of titanium dioxide content of ammonium ferric sulfate titration;
--- Part 2. Determination of total iron content of dichromate method;
--- Part 3. Determination of sulfur content of high frequency infrared absorption method;
--- Part 4. Determination of the amount of silica weighing method, the molybdenum blue spectrophotometric method;
--- Part 5. aluminum oxide content - EDTA titration;
--- Part 6. Determination of a manganese oxide content by flame atomic absorption spectrometry;
--- Part 7. calcium oxide, magnesium oxide content - Flame atomic absorption spectrometry;
--- Part 8. Determination of the amount of phosphorus antimony molybdenum blue spectrophotometric method;
--- Part 9. calcium oxide, magnesium oxide, manganese oxide, phosphorus, chromium oxide and vanadium pentoxide content - Inductively coupled plasma
Daughters emission spectrometry;
--- Part 10. Determination of the amount of carbon frequency infrared absorption method.
This section YS/T 514 Part 8.
The partial replacement of YS/T 514.3-2006 "high titanium slag and rutile chemical analysis extraction molybdenum blue spectrophotometric determination of phosphorus content."
This portion of YS/T 514.3-2006 compared to the main changes are as follows.
--- By the method of extraction - molybdenum blue photometric antimony molybdenum blue spectrophotometry changed;
--- 30mL to 30mL of nickel silver crucible crucible;
--- Redefine sample weight, sample weight 0.4000g;
--- Sodium hydroxide was changed to 4g;
--- By the wavelength of 680nm to 710nm;
--- By the method of matrix matching method to the standard curve;
--- Increasing the repeatability limit and quality assurance and control provisions.
The non-ferrous metal part by the National Standardization Technical Committee and centralized.
This section is responsible for drafting unit. Zunyi Titanium Co., Ltd., China Nonferrous Metals Industry Standards and Metrology Institute for Quality.
Participated in the drafting of this section. Jinchuan Group Co., Ltd. Fushun Titanium.
The main drafters of this section. Yang then Jiang Yuan Jiwei, Zhang Jinjie Zhuang Jun, Yu Shengjie, Ma Yuping.
This part of the standard replaces the previous editions are.
--- GB/T 4102.3-1983;
--- YS/T 514.3-2006.
High titanium slag and rutile chemical analysis
Part 8. determination of phosphorus content
Antimony molybdenum blue spectrophotometry
1 Scope
YS/T 514 This part provides high titanium slag and rutile determination of phosphorus content.
This section applies to high titanium slag and rutile determination of phosphorus content. Measurement range. 0.001% to 0.100%.
This section applies to silicon, arsenic is not more than 3mg determination of phosphorus in the test solution.
2 Method summary
Sample with sodium hydroxide - fusion with sodium peroxide, and separating and removing heat from the flooding of titanium, iron and other impurities. In 0.6mol/L sulfuric acid medium
Quality, the phosphorus and antimony, molybdenum generated blue ternary association complex, the absorbance was measured in a spectrophotometer at a wavelength of 710nm.
3 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.1 sodium hydroxide.
3.2 sodium peroxide.
3.3 ethanol.
3.4 sulfuric acid (1 + 5), formulated by the excellent level of pure sulfuric acid.
3.5 Phenolphthalein (1g/L), formulated with ethanol.
3.6 sulfate - ammonium molybdate solution. Weigh 18.00g of ammonium molybdate in 100mL of water was heated to dissolve completely cooled diluted to 500mL, and then
Sulfuric acid (ρ about 1.84g/mL) 100mL, and mix.
3.7 antimony potassium tartrate, - tartaric acid solution. Weigh 0.3g antimony potassium tartrate, 20g tartaric acid, add 20mL of ethanol (3.3), add water 100mL
Completely dissolved, diluted to 600mL, shake.
3.8 ascorbic acid solution. 20g/L, the time is now equipped with.
3.9 mixed color solution. take sulfate - ammonium molybdate solution (3.6), antimony potassium tartrate, - tartaric acid solution (3.7), ascorbic acid solution (3.8) Press
The mixing ratio 1.1.1 shake, is formulated with time.
3.10 P standard stock solution. Weigh 4.3937g reference reagent potassium dihydrogen phosphate (previously at 105 ℃ ~ 110 ℃ drying 2h, and placed in dry
Dryer cooled to room temperature), placed in 200mL beaker, add water, dissolved and transferred to 1000mL volumetric flask, dilute to the mark with water, mix
uniform. This solution 1mL containing 1.0mg phosphorus.
3.11 Phosphorus standard solution. Pipette 10.00mL phosphorus standard stock solution (3.10), into 1000mL volumetric flask, dilute to the mark with water
Degree, and mix. This solution 1mL containing 0.01mg phosphorus.
4 Instrument
Visible spectrophotometer
5 Sample
5.1 Sample size should be less than 90μm.
5.2 Sample required in advance at 105 ℃ ~ 110 ℃ drying 2h, placed in a desiccator to cool to room temperature.
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