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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
Status: Valid GB/T 15076.10: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15076.10-2019 | English | 139 |
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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
| Valid |
GB/T 15076.10-2019
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| GB/T 15076.10-1994 | English | 199 |
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Methods for chemical analysis of tantalum and niobium. Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese contents in niobium
| Obsolete |
GB/T 15076.10-1994
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PDF similar to GB/T 15076.10-2019
Basic data | Standard ID | GB/T 15076.10-2019 (GB/T15076.10-2019) | | Description (Translated English) | 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 | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H14 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,758 | | Date of Issue | 2019-12-31 | | Date of Implementation | 2020-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | 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
---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 tantalum and niobium-Part 10. Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese contents in niobium-Direct current arc atomic emission spectrometry
ICS 77.120.99
H14
National Standards of People's Republic of China
Replaces GB/T 15076.10-1994
Chemical analysis of tantalum and niobium
Part 10. Iron, nickel, chromium, titanium, zirconium, aluminum in niobium
And determination of manganese content
DC arc atomic emission spectrometry
2019-12-31 release
2020-11-01 implementation
State Administration of Market Supervision
Published by the National Standardization Administration
Foreword
GB/T 15076 "Chemical Analysis Methods for Tantalum and Niobium" is divided into 16 parts.
--- Part 1. Determination of tantalum in niobium by inductively coupled plasma atomic emission spectrometry;
--- Part 2. Determination of the amount of niobium in tantalum by inductively coupled plasma atomic emission spectrometry and chromatogravimetry;
--- Part 3. Determination of copper content by flame atomic absorption spectrometry;
--- Part 4. Determination of iron content 1,10-diazaphenanthrene spectrophotometry;
--- Part 5. Determination of the amount of molybdenum and tungsten; inductively coupled plasma atomic emission spectrometry;
--- Part 6. Determination of silicon content by inductively coupled plasma atomic emission spectrometry;
--- Part 7. Determination of phosphorus content in niobium 4-methyl-pentanone- [2] Extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma
Bulk atomic emission spectroscopy;
--- Part 8. Determination of carbon and sulfur content High-frequency combustion infrared absorption method;
--- Part 9. Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium in tantalum by DC arc atomic emission spectrometry;
--- Part 10. Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium by DC arc atomic emission spectrometry;
--- Part 11. Determination of arsenic, antimony, lead, tin and bismuth in niobium by DC arc atomic emission spectrometry;
--- Part 12. Determination of phosphorus content in tantalum Phosphomolybdenum blue spectrophotometric method for extraction and separation of ethyl acetate;
--- Part 13. Determination of nitrogen content; inert gas fusion thermal conductivity method;
--- Part 14. Determination of oxygen content Inert gas fusion infrared absorption method;
--- Part 15. Determination of hydrogen content; inert gas fusion thermal conductivity method;
--- Part 16. Determination of sodium and potassium content by flame atomic absorption spectrometry.
This part is Part 10 of GB/T 15076.
This section is drafted in accordance with the rules given in GB/T 1.1-2009.
This section replaces GB/T 15076.10-1994 "Methods for chemical analysis of tantalum and niobium. Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese in niobium".
Compared with GB/T 15076.10-1994, the main technical changes in this section are as follows.
--- Changed the test method from "DC Arc Carrier Fractionation Atomic Emission Spectroscopy" to "DC Arc Atomic Emission Spectroscopy";
--- Expanded the measurement range, the measurement range of zirconium and manganese content was changed from "0.0001% ~ 0.010%" to "0.0001% ~
0.030% "; the determination range of aluminum content was changed from" 0.0002% ~ 0.010% "to" 0.0002% ~ 0.030% ";
The measurement range was changed from "0.0001% ~ 0.020%" to "0.0001% ~ 0.030%" (see Chapter 1, Section 1 of the.1994 edition)
chapter);
--- Removed the reference standard (see Chapter 2 of the.1994 edition);
--- Added sample clauses (see Chapter 5);
--- Added precision clause (see Chapter 8);
--- Added test report clauses (see Chapter 9).
This section is proposed by China Nonferrous Metals Industry Association.
This section is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This section was drafted. Ningxia Dongfang Tantalum Co., Ltd., Northwest Rare Metal Materials Research Institute Ningxia Co., Ltd., Xi'an Han and Tang Dynasties
Analysis and Testing Co., Ltd., Jiujiang Nonferrous Metal Smelting Co., Ltd., Northwest Nonferrous Metal Research Institute, National Standard (Beijing) Inspection and Certification Co., Ltd.
The main drafters of this section. Zhang Junfeng, Xu Ninghui, Wang Zhiping, Zhang Renhui, Zhai Tongde, Wang Yubao, Wei Hongnan, Wang Changhua, Sun Hongtao,
Zhou Yan.
The previous versions of the standards replaced by this section are.
--- GB/T 15076.10-1994.
Chemical analysis of tantalum and niobium
Part 10. Iron, nickel, chromium, titanium, zirconium, aluminum in niobium
And determination of manganese content
DC arc atomic emission spectrometry
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.
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