YS/T 428-2012
Niobium pentoxide (English Version)

Standard No.

YS/T 428-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 428-2012

Replace

YS/T 428-2000

Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or order) content of niobium pentoxide. This standard applies to niobium pentoxide produced by liquid-liquid extraction method and used for the production of niobium powder, superconducting materials, alloy additives, niobium bars and niobium carbide, ceramic capacitors, etc.

YS/T 428-2012 Referenced Document

• GB/T 13390 Metallic powder.Determination of the specific surface area.Method of nitrogen adsorption
• GB/T 1479.1 Metallic powders—Determination of apparent density—Part 1:Funnal method
• GB/T 15076.1 Methods for chemical analysis of tantalum and niobium—Part 1: Determination of tantalum content in niobium—Inductively coupled plasma atomic emission spectrometry*， 2017-10-14 Update
• GB/T 15076.10 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*， 2019-12-31 Update
• GB/T 15076.11 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*， 2020-03-06 Update
• GB/T 15076.12 Method for chemical analysis of tantalum and niobium.Determination of phosphorus content in tantalum
• GB/T 15076.13 Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method*， 2017-10-14 Update
• GB/T 15076.14 Method for chemical analysis of tantalum and niobium.Determination of oxygen content
• GB/T 15076.15 Method for chemical analysis of tantalum and niobium.Determination of hydrogen content
• GB/T 15076.16 Method for chemical analysis of tantalum and niobium.Determination of sodium and potassium contents
• GB/T 15076.2 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry*， 2019-12-31 Update
• GB/T 15076.3 Methods for chemical analysis of tantalum and niobium—Part 3：Determination of copper content—Flame atomic absorption spectrometry*， 2019-06-04 Update
• GB/T 15076.4 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry*， 2020-03-06 Update
• GB/T 15076.5 Methods for chemical analysis of tantalum and niobium—Part5:Determination of molybdenum and tungsten contents—Inductively coupled plasma atomic emission spectrometry*， 2017-10-14 Update
• GB/T 15076.6 Methods for chemical analysis of tantalum and niobium—Part 6:Determination of silicon content—Inductively coupled plasma atomic emission spectrometry*， 2020-03-06 Update
• GB/T 15076.7 Methods for chemical analysis of tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2] extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrom*， 2020-03-06 Update
• GB/T 15076.8 Method for chemical analysis of tantalum and niobium.Determination of carbon and sulphur contents
• GB/T 15076.9 Method for chemical analysis of tantalum and niobium.Determination of iron,chromium,nickel,manganese,titanium,aluminum,copper,tin,lead and zirconium contents in tantalum
• GB/T 3249 Test method for Fisher number of metal powders and related compounds*， 2022-03-09 Update
• GB/T 5314 Powders for powder metallurgical purposes.Sampling

YS/T 428-2012 history

• 2012 YS/T 428-2012 Niobium pentoxide
• 2000 YS/T 428-2000 Niobium pentaoxide