GB/T 12690.8-2003 in English

SUPERSEDED

Neodymium and neodymium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, s

Issued on:2004-06-01
Implemented on:2004-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $140.00
$136.00

Standard No:	GB/T 12690.8-2003
Document status:	SUPERSEDED
Superseded by:	GB/T 12690.8-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content
Superseded on:	2022-05-01
Title in English:	Neodymium and neodymium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, s
Title in Chinese:	稀土金属及其氧化物中非稀土杂质化学分析方法钠量的测定火焰原子吸收光谱法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2004-06-01
Implemented on:	2004-06-01
Superseding:	GB/T 12690.26-1990 Rare-earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method
ICS Classification:	77.120.99-Other non-ferrous metals and their alloys
Chinese Classification:	H14-Rare metals and their alloys analysis method
Professional Classification:	GB-National Standard
Related Keywords:	lanthanum oxide cerium oxide praseodymium oxide neodymium oxide-determination oxide
Related Topics:	rare earth rare earth metal oxides Rare Earth Standard Rare Earth Standard rare earth oxide Soil Chemical Analysis Rare Earth Spectral Analysis Rare Earth Spectral Items Chemical analysis method for non-rare earth impurities in rare earth metals and their oxides rare earth capacity method Ground Object Spectrum and Its Measurement hybridization mass spectrometry Rare earth+ Rare earth impurities Atomic sodium metal Sodium Determination Flame Atomic Absorption Spectrometry Atomic Dilution Rare Earth Analyzer Rare earth impurities Atomic absorption analysis method and its atomic absorption sodium soil metal oxides Atomic absorption instrument measurement soil metal oxides Foreign rare earth analysis methods rare earth oxide The mass of an atom is very Mass Spectrometry Rare Earth Analysis of plutonium and its impurities Sodium GBT12690.8 GB/T 12690.8-1990 GB/T 12690.8-2003 GB/T 12690.8-2021 Rare earth metals and their oxides Primary Trace Rare Earth Analysis Application of Spectral Analysis Technology in Detection of Rare Earth Elements Sodium chloride impurity atomic absorption Classification methods of spectra and their differences and connections Qualitative methods commonly used in chromatographic analysis and their characteristics Trace Rare Earth Analysis Analytical Methods for Sodium Oxide in Soil

《GB/T 12690.8-2003稀土金属及其氧化物中非稀土杂质化学分析方法钠量的测定火焰原子吸收光谱法》由TC229（全国稀土标准化技术委员会）归口，主管部门为国家发展和改革委员会。
本部分规定了稀土金属及其氧化物中钠含量的测定方法。本部分适用于稀土金属及其氧化物中钠含量的测定。测定范围（质量分数）;0。0005%～0.0250%。

Scope

This part specifies the method for the determination of sodium content in rare earth metals and their oxides. This section applies to the determination of sodium content in rare earth metals and their oxides. Measuring range (mass fraction): 0.0005% to 0.0250%.

More samples: GB 18306-2015 JGJ 94-2008 JJG 21-2008

Sample only — not a preview of GB/T 12690.8-2003

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