ISO/TR 7955:1982 PDF

ISO/TR 7955:1982 PDF

Name:
ISO/TR 7955:1982 PDF

Published Date:
12/01/1982

Status:
[ Withdrawn ]

Description:

Ferroniobium - Determination of niobium content - Gravimetric method

Publisher:
International Organization for Standardization (Technical Report)

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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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.


File Size : 1 file , 790 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 14
Published : 12/01/1982

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