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GB/T 4698.15-2011: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Determination of hydrogen content
Status: Valid GB/T 4698.15: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4698.15-2011 | English | 169 |
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Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Determination of hydrogen content
| Valid |
GB/T 4698.15-2011
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| GB/T 4698.15-1996 | English | 199 |
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Sponge titanium, titanium and titanium alloys--Determination of hydrogen content--Vacuum heating gas chromatographic method
| Obsolete |
GB/T 4698.15-1996
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| GB/T 4698.15-1984 | English | RFQ |
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Methods for chemical analysis of titanium and titanium alloys--The vacuum heating extraction-gas chromatographic method for the determination of hydrogen content
| Obsolete |
GB/T 4698.15-1984
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PDF similar to GB/T 4698.15-2011
Basic data | Standard ID | GB/T 4698.15-2011 (GB/T4698.15-2011) | | Description (Translated English) | Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Determination of hydrogen content | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H64 | | Classification of International Standard | 77.120.50 | | Word Count Estimation | 7,752 | | Date of Issue | 2011-05-12 | | Date of Implementation | 2012-02-01 | | Older Standard (superseded by this standard) | GB/T 4698.15-1996 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 6 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the inert gas fusion Thermal conductivity/infrared detection method for the determination of titanium sponge, titanium and titanium in hydrogen content. This section applies to sponge titanium, titanium and titanium alloys Determination of hydrogen content. Measuring range: 0. 0006% -0. 0260 % | GB/T 4698.15-2011: Methods for chemical analysis of titanium sponge, titanium and titanium alloys -- Determination of hydrogen 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.
Methods for chemical analysis of titanium sponge, titanium and titanium alloys. Determination of hydrogen content
ICS 77.120.50
H64
National Standards of People's Republic of China
Replacing GB/T 4698.15-1996
Sponge titanium, titanium and titanium alloys
Determination of the amount of hydrogen
Methodsforchemicalanalysisoftitaniumsponge, titaniumandtitaniumaloys-
Issued on. 2011-05-12
2012-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This Part replaces GB/T 4698.15-1996 "Sponge titanium, titanium and titanium alloy vacuum heating chemical analysis by gas chromatography
The amount of hydrogen. "
This portion of the GB/T 4698.15-1996 compared to the main changes are as follows.
--- By gas chromatography to thermal conductivity/infrared detection;
--- Measured by the scope of 0.0010 percent to 0.030 percent to 0.0006% - 0.0260%;
--- Increasing the precision of the terms, complements the quality assurance and control provisions;
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is drafted. Baoji Titanium Group Ltd., Hunan Golden days cast titanium Co., Northwest Nonferrous Metal Research Institute, Sichuan Heng
To produce Titanium Technology Co., Zunyi Titanium Co., Ltd.
The main drafters of this section. Li Jian, HUANG Yong, Lin Ying, Yang Weiwei, Li Bo, Liang Qinghua, ZHU Guang way to lun strong, Luo Lin.
This part of the standard replaces the previous editions are.
--- GB/T 4698.15-1984;
--- GB/T 4698.15-1996.
Sponge titanium, titanium and titanium alloys
Determination of the amount of hydrogen
1 Scope
This section provides the inert gas fusion - thermal conductivity/measured Sponge titanium, titanium and titanium alloy hydrogen content in infrared detection.
This section applies to sponge titanium, titanium and titanium alloys - Determination of hydrogen content. Measurement range. 0.0006% - 0.0260%.
2 principle of the method
A sample was tin flux, placed in a graphite crucible, heated and melted under an inert atmosphere, and hydrogen is released into the molecular carrier gas stream.
Molecular hydrogen with other evolved gases (e.g., carbon monoxide, etc.) in TCD separated pools; or hydrogen with the carrier gas molecules by thermal oxidation
After the copper is converted to water, in particular the detection of infrared cell. This method is applicable to the use of automated material hydrogen analyzer using standard known hydrogen content
Substance/sample calibration.
3 Reagents and materials
3.1 acetone.
3.2 high soda asbestos.
3.3 argon, nitrogen or helium. purity ≥99.99%.
3.4 tin flux. flake or granular, hydrogen content ≤0.0005%.
3.5 anhydrous magnesium perchlorate.
3.6 sieve.
3.7 Schutz reagent.
3.8 rare earth copper oxide.
3.9 copper wire.
3.10 graphite crucible. pure spectrum.
3.11 Titanium standard material/samples.
4 Instrument
The inert gas fusion - thermal conductivity/infrared detector hydrogen analyzer. (Including one electrode furnace or an induction furnace, purification and analysis of a carrier gas stream conversion system
Systems, hydrogen detecting thermal conductivity or infrared detection pool water, computer and software control systems. )
5 Sample
Sample cut or car to 0.10g/blocks ~ 0.30g/block, the process to avoid overheating. If necessary, use a clean rasp setback to the surface dirt
Was washed with acetone, air dry.
6 Analysis Program
6.1 Instrument Preparation
According to the instruction to open water, electricity, gas and other external auxiliary facilities, check each device path connecting piece and see how your various reagents consumption
Consumption goods state, to ensure the effective reagent.
6.2 Warm up
To fully preheated before instrumental analysis, so that the indicators of the instrument reaches the set value.
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