GB/T 12690.6-2003 in English

SUPERSEDED

Praseodymium oxide-Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide

Issued on:1990-01-02
Implemented on:2004-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
$204.00

Standard No:	GB/T 12690.6-2003
Document status:	SUPERSEDED
Superseded by:	GB/T 12690.6-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides - Part 6: Determination of iron content - Kslium thiocyanate, 1, 10-Phenanthroline spectrophotometric method
Superseded on:	2018-05-01
Title in English:	Praseodymium oxide-Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide
Title in Chinese:	稀土金属及其氧化物中非稀土杂质化学分析方法铁量的测定硫氰酸钾、1，10-二氮杂菲分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1990-01-02
Implemented on:	2004-06-01
Superseding:	GB 11074.3-1989 Samarium oxide--Determination of iron content--Thiocyanate-1. 10-phenanthroline spectrophotometric method GB/T 12690.20-1990 Rare-earth metals and their oxides--Determination of iron content--Potassium thiocyanate, 1, 10-phenanthroline spectrophotometric 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 neodymium oxide oxide praseodymium oxide-determination
Related Topics:	rare earth metal oxides Rare Earth Standard rare earth oxide Spectrophotometer spurious peak Aza Impurity standardization method Chemical analysis method for non-rare earth impurities in rare earth metals and their oxides Impurity standardization miscellaneous optical impurities Impurity standardization method Spectrophotometer spurious peak Spectrophotometer wavelength rare earth iron oxide Rare earth impurities Spectrophotometric Sulfur Dioxide Impurities in sulfuric acid Miscellaneous for Automated Chemistry Impurity standardization Impurities only need to be standardized Spectrophotometric Sulfur Dioxide Iron mass fraction Rare earth impurities Spectrophotometer wavelength Determination of nitrogen oxides, spectrophotometric method Hybridization of acetic acid Acetic hybridization Foreign rare earth analysis methods rare earth oxide Acetic hybridization Photometer stray light Analysis of plutonium and its impurities GBT12690.6 GB/T 12690.6-1990 GB/T 12690.6-2003 GB/T 12690.6-2017 Rare earth metals and their oxides ICPoes detects impurities in gold Potassium thiocyanide quantification of Fe3+ concentration Impurity Limit Quantitative Method Chinese Pharmacopoeia Analytical Method Verification of Impurity Limits Method for measuring microbial cell nitrogen using potassium persulfate NOx Method Validation Report Spectrophotometry What are the methods for measuring sulfur dioxide using spectrophotometry? Sulfuric acid sulfonation method for impurity removal Analysis method for etodolac impurities Dilute sulfuric acid concentration titration analysis method Common analytical methods for drug impurities Photometric analysis method for nitrogen oxides Detection limit of nitrogen oxide photometric analysis method Sulfur dioxide spectrophotometric calculation method Methods for expressing limits of impurities in drugs Method for determination of total nitrogen by potassium persulfate oxidation method Azelaic acid analytical method quality Instrumental analysis method for determining cyanide concentration Nitrogen oxide monitoring and analysis methods Colorimetric dilution method and result analysis

本部分规定了稀土金属及其氧化物中铁含量的测定方法。本部分适用于稀土金属及其氧化物中铁含量的测定。测定范围（质量分数）：0.0001%～0.0050%。

Scope

This part specifies the method for the determination of iron content in rare earth metals and their oxides. This section applies to the determination of iron content in rare earth metals and their oxides. Measuring range (mass fraction): 0.0001% to 0.0050%.

More samples: GB 50021-2001(2009) YD/T 3934-2021 DL/T 368-2010

Sample only — not a preview of GB/T 12690.6-2003

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