ISO/TR 7955:1982

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Ferroniobium — Determination of niobium content — Gravimetric method

Published By	Publication Date	Number of Pages
ISO	1982-12	14

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Categories: 77.100 - Ferroalloys, ISO

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Description

Specifies a photometric method for the determination of the titanium content (annex A), a gravimetric method for the determination of tantalum contents greater than 1 % (m/m) (annex B) and a photometric method for the determination of tantalum contents less than 1 % (m/m) (annex C). The methods are applicable to ferroniobium having niobium contents between 40 and 75 % (m/m), tantalum contents between 0,25 and 8,0 % (m/m) and titanium contents between 0,05 and 5,0 % (m/m). Interference may arise if bismuth or trivalent antimony are present.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1982-12
Pages Count	14
Language	English
Edition	1
File Size	757.8 KB
ICS Codes	77.100 - Ferroalloys

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ISO/TR 7955:1982

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