GB/T 15076.10-2019Methods for chemical analysis of tantalum and niobium - Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium - Direct current arc atomic emission spectrometry (English PDF)
钽铌化学分析方法 第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定 直流电弧原子发射光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2019
Implementation date
November 1, 2020
Scope
GB/T 15076.10-2019 is the English-translated version of 钽铌化学分析方法 第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定 直流电弧原子发射光谱法.
GB/T 15076.10-2019 is the Chinese standard "Methods for chemical analysis of tantalum and niobium - Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium - Direct current arc atomic emission spectrometry".
Its scope clause reads: This part of GB/T 15076 specifies the direct current arc atomic emission spectrometry for the determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium.
This section applies to the determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium and niobium hydroxide, niobium oxide and niobium carbide.
See measuring range Table 1. Table 1 Elements and determination ranges Element determination range /% Iron, nickel, chromium 0.0003 ~ 0.030 Titanium, zirconium, manganese 0.0001 ~ 0.030 Aluminum 0.0002 ~ 0.030. Its clauses include principle; reagents or materials.
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Document preview — GB/T 15076.10-2019
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 14
- Replacing
- GB/T 15076.10-1994
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Principle
- 3 Reagents or materials
- 3.1 Niobium pentoxide
- 3.9 Sodium fluoride
- 3.10 graphite powder
- 3.11 Buffering agent
- 3.12 compression mold
1 Scope
This part of GB/T 15076 specifies the direct current arc atomic emission spectrometry for the determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium.
This section applies to the determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium and niobium hydroxide, niobium oxide and niobium carbide. See measuring range
Table 1.
Table 1 Elements and determination ranges
Element determination range /%
Iron, nickel, chromium 0.0003 ~ 0.030
Titanium, zirconium, manganese 0.0001 ~ 0.030
Aluminum 0.0002 ~ 0.030
2 Principle
Burning metal niobium and its hydroxides and carbides into niobium pentoxide, mixing graphite powder and sodium fluoride in a certain proportion
Granules, DC arc anode excitation, spectrometry.
3 Reagents or materials
3.1 Niobium pentoxide
wNb2O5>=99.99% (single content of other measured elements wx<=0.00001%), in a muffle furnace
Burn for 2h, put in a desiccator and cool to room temperature, set aside.
3.2
Ferric trioxide (wFe2O3 >= 99.99%).
3.3
Nickel oxide (wNiO>=99.99%).
3.4
Chromium trioxide (wCr2O3 >= 99.99%).
3.5
Titanium dioxide (wTiO2>=99.99%).
3.6
Zirconium dioxide (wZrO2>=99.99%).
3.7
Aluminum oxide (wAl2O3>=99.99%).
3.8
Manganese dioxide (wMnO2>=99.99%).
3.9 Sodium fluoride
excellent grade pure.
3.10 graphite powder
spectrally pure.
3.11 Buffering agent
Weigh 9.40g of graphite powder (3.10), add 0.60g of sodium fluoride (3.9), and homogenize.
3.12 compression mold
made of plexiglass rod cart, the top is 2.9mm × 2mm.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 15076.10
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 15076.10-2019 | Methods for chemical analysis of tantalum and niobium - Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium - Direct current arc atomic emission spectrometry | current edition | Current |
| GB/T 15076.10-1994 | Methods for chemical analysis of tantalum and niobium - Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium - Direct current arc atomic emission spectrometry | previous edition | Superseded |
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Related Standards
GB/T 15076.1-2017 — Methods for chemical analysis of tantalum and niobium - Part 1: Determination of tantalum content in niobium - Inductively coupled plasma atomic emission spectrometry
GB/T 15076.11-2020 — Methods for chemical analysis of tantalum and niobium - Part 11:Determination of arsenic,antimony,lead,tin and and bismuth contents in niobium - Direct current arc atomic emission spectrometry
GB/T 15076.12-2008 — Methods for chemical analysis of tantalum and niobium - Determination of phosphorus content in tantalum
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