GB/T 4698.14-2011Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content (English PDF)
海绵钛、钛及钛合金化学分析方法 碳量的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 12, 2011
Implementation date
February 1, 2012
Scope
GB/T 4698.14-2011 is the English-translated version of 海绵钛、钛及钛合金化学分析方法 碳量的测定.
GB/T 4698.14-2011 is the Chinese standard "Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content". Its scope clause reads: This section provides a high-frequency combustion - infrared absorption method for the determination of titanium sponge, titanium and titanium carbon content.
This section applies to titanium, titanium sponge and titanium alloy carbon content. Measurement range. 0.004% to 0.100%. Its clauses include principle of the method; reagents and materials; instrument.
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Document preview — GB/T 4698.14-2011
National Standard of the People's Republic of China
- ICS
- 77.120.50
- Classification
- H 64
- Replacing
- GB/T 4698.14-1996
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 principle of the method
- 3 Reagents and materials
- 4 Instrument
1 Scope
This section provides a high-frequency combustion - infrared absorption method for the determination of titanium sponge, titanium and titanium carbon content.
This section applies to titanium, titanium sponge and titanium alloy carbon content. Measurement range. 0.004% to 0.100%.
2 principle of the method
In an oxygen atmosphere, the carbon in the sample is oxidized in a high frequency induction furnace to carbon monoxide or carbon dioxide, a mixed gas with a carrier gas into the red
Detected outside the pool, with the titanium material standard/sample curve established for comparison, the measured carbon content of the sample.
3 Reagents and materials
3.1
acetone or other organic solvents.
3.2
Copper flux (wC<=0.0005%).
3.3
iron flux (wC<=0.0008%).
3.4
tin flux (wC<=0.0005%).
3.5
Tungsten cosolvent (wC<=0.0010%).
3.6
magnesium perchlorate.
3.7
alkali asbestos.
3.8
rare earth copper oxide.
3.9
platinized silica gel.
Oxygen 3.10 (volume fraction >=99.95%).
3.11
Titanium standard material/samples.
3.12 crucible and the crucible cover
in a muffle furnace 700 °C ~ 800 °C 2h or burned at least 900 °C ~ 1000 °C burning at least 1h, burning
Burnt crucible and the crucible cover if not used within 4h, the need to re-ignition before the next use. Ignited crucible and the crucible lid cooling
Desiccator to room temperature after use.
4 Instrument
4.1
high-frequency furnace, vacuum devices, carrier gas purification system, analysis of the gas conversion system, infrared detection system.
4.2
oxygen cylinders and regulators.
4.3
porcelain crucible and the crucible lid, the crucible covered with holes.
4.4
crucible tongs.
4.5
Balances.
4.6
muffle furnace.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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- YY/T 1701-2020Medical grade Ti-6Al-4V/Ti-6Al-4V ELI powder used for additive manufacturing
- YS/T 893-2013High-purity sputtering titanium target used in electronic film
- NB/T 20008.15-2012Other Material for Pressurized Water Reactor Nuclear Power Plants - Part 15: Titanium Plate for Use in the Fabrication of Class 3 Heat Exchanger Plates
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Editions of GB/T 4698.14
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 4698.14-2011 | Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content | current edition | Current |
| GB/T 4698.14-1996 | Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of carbon content | previous edition | Superseded |
This page sells the current edition, GB/T 4698.14-2011. Earlier editions are listed for reference only.
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Related Standards
GB/T 4698.1-2017 — Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 1: Determination of copper content - Flame atomic absorption spectrometry
GB/T 4698.10-2020 — Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 10: Determination of chromium content - Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry (with vanadium)
GB/T 4698.11-1996 — Sponge titanium，titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method
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