YS/T 539.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 539.3-2024 | English | RFQ |
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(Chemical analysis method for nickel-based alloy powder - Part 3: Determination of silicon content - Molybdenum blue spectrophotometry)
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YS/T 539.3-2024
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| YS/T 539.3-2009 | English | 199 |
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Methods for chemical analysis of nickel base alloy powder. Part 3: Determination of silicon content. Perchloric acid dehydration gravimetric analysis
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YS/T 539.3-2009
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| YS/T 539.3-2006 | English | 199 |
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Nickel base alloy powder. Determination of silicon content. Gravimetric method after dehydration by perchloric acid
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YS/T 539.3-2006
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Basic data | Standard ID | YS/T 539.3-2024 (YS/T539.3-2024) | | Description (Translated English) | (Chemical analysis method for nickel-based alloy powder - Part 3: Determination of silicon content - Molybdenum blue spectrophotometry) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H16 | | Classification of International Standard | 77.16 | | Date of Issue | 2024-10-24 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | YS/T 539.3-2009 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the method for determining the silicon content in nickel-based alloy powder by molybdenum blue spectrophotometry. This standard is applicable to the determination of silicon content in nickel-based alloy powder, and the determination range is 0.010% to 6.00%. | YS/T 539.3-2009: Methods for chemical analysis of nickel base alloy powder. Part 3: Determination of silicon content. Perchloric acid dehydration gravimetric analysis
---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.
Methods for chemical analysis of nickel base alloy powder.Part 3. Determination of silicon content.Perchloric acid dehydration gravimetric analysis
ICS 77.120.40
H71
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 539.3-2006
Nickel-based alloy powder chemical analysis
Part 3. Determination of the amount of silicon
Perchloric acid dehydration gravimetric method
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 539 "nickel-based alloy powder chemical analysis method" is divided into 13 parts.
--- Part 1. Determination of the amount of boron acid-base titration;
--- Part 2. Determination of the amount of chrome aluminum Azure S Spectrophotometry;
--- Part 3. Determination of silicon content of perchloric acid dehydration gravimetric method;
--- Part 4. Determination of chromium content of ammonium persulfate oxidation titration;
--- Part 5. Determination of manganese content of sodium periodate (K) oxidation spectrophotometry;
--- Part 6. Determination of iron content of titanium trichloride - potassium dichromate titration;
--- Part 7. Determination of cobalt content nitroso R salt spectrophotometric method;
--- Part 8. Determination of copper content Neocuproine - chloroform extraction spectrophotometric method;
--- Part 9. Determination of copper content of sodium thiosulfate iodometry;
--- Part 10. Determination of molybdenum content - Thiocyanate spectrophotometric method;
--- Part 11. Determination of cinchonine gravimetric method tungsten content;
--- Part 12. Determination of phosphorus content of n-butyl alcohol - chloroform extraction spectrophotometric method;
--- Part 13. Determination of oxygen pulse heating inert gas fusion - infrared absorption method.
This section YS/T 539 Part 3.
The partial replacement of YS/T 539.3-2006 "nickel-based alloy powder chemical analysis of perchloric acid dehydration gravimetric method for the determination of silicon content."
This portion of YS/T 539.3-2006 with more significant changes are as follows.
--- Increasing the foreword;
--- Complements the repeatability limit.
The non-ferrous metal part by the National Standardization Technical Committee and centralized.
This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute, West An Ruijian metal limited liability company.
This section is drafted. Beijing Nonferrous Metal Research Institute, Steel Research Institute.
The main drafters of this section. Liu, Plant Protection].
This part of the standard replaces the previous editions are.
--- GB/T 8638.3-1988;
--- YS/T 539.3-2006.
Nickel-based alloy powder chemical analysis
Part 3. Determination of the amount of silicon
Perchloric acid dehydration gravimetric method
1 Scope
YS/T 539 This part specifies the method for determination of nickel-base alloy powder silicon content.
This section applies to the determination of nickel-base alloy powder of silicon content in the measurement range. 0.5% to 6%.
2 Method summary
Sample acidified by alkali fusion (or acid dissolution), the perchloric acid dehydration smoke silicic acid, filtered, washed, burning into the silicon dioxide with sulfuric acid -
Hydrofluoric acid treatment, the silicon generate volatile silicon tetrafluoride is removed, except by the poor quality of the silicon before and after the calculation of the mass fraction of silicon.
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 peroxide.
3.2 hydrochloride (ρ1.19g/mL).
3.3 perchloric acid (ρ1.67g/mL).
Nitrate 3.4 (ρ1.42g/mL).
3.5 Hydrofluoric acid (ρ1.15g/mL).
3.6 hydrochloric acid (1 + 19).
3.7 sulfate (1 + 1).
3.8 ammonium thiocyanate solution (50g/L).
3.9 methanol.
Step 4 Analysis
4.1 Sample
Weigh 0.50g ~ 1.00g sample, accurate to 0.0001g.
4.2 Determination of the number of
Independently measured twice and averaged.
4.3 blank test
Along with sample blank test.
4.4 Determination
4.4.1 Sample Decomposition
4.4.1.1 nitric acid can be dissolved in hydrochloric acid and sample
The sample (4.1) in 400mL beaker, add 30mL of hydrochloric acid (3.2), 4mL nitric acid (3.4) to dissolve the sample was heated to a low temperature, concentrated
Reduced to a volume of about 10mL, add 40mL of methanol (3.9), the surface of the pan is removed leaving a little gap, low temperature slowly evaporated to 10mL or less, plus
5mL nitric acid (3.4), 25mL of perchloric acid (3.3), heated and evaporated to smoke, continue heating perchloric acid reflux smoke 15min ~ 20min.
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