General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 24485-2009
Scope
This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and order form for niobium carbide powder. This standard applies to niobium carbide powder obtained by carbonizing niobium oxide. The products are used as additives for the production of cemented carbide.
GB/T 24485-2009 Referenced Document
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