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ISO 3429:1976 PDF

ISO 3429:1976 PDF

Name:
ISO 3429:1976 PDF

Published Date:
07/01/1976

Status:
Active

Description:

Sodium fluoride primarily used for the production of aluminium -- Determination of iron content -- 1,10- Phenanthroline photometric method

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Choose Document Language:
$16.2
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Applicable to the determination of Fe contents, expressed as Fe2 O3 , of more than 0.020 % (m/m). Covers the dissolution of a test portion by alkaline fusion by means of sodium carbonate and boric acid. Dissolving of the residue with nitric acid solution and reduction of iron(III) by means of hydroxylammonium chloride. Formation of the iron(II)-1,10-phenanthroline complex in a buffered medium at a pH between 3.5 and 4.2. Photometric measurement of the coloured complex at a wavelength of about 510 nm.


File Size : 1 file , 370 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 4
Published : 07/01/1976
Same As : ISO 3429:1976

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