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ISO 2865:1973 PDF

ISO 2865:1973 PDF

Name:
ISO 2865:1973 PDF

Published Date:
12/01/1973

Status:
Active

Description:

Aluminium oxide primarily used for the production of aluminium -- Determination of boron content -- Curcumin spectrophotometric 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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$16.2
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Applicable to products having boron oxide contents of more than 0.0006 % (m/m). With sufficiently sensitive apparatus, the lower limit of application may be extended to 0.00008 % (m/m). The test portion is dissolved in phosphoric acid. Separation of the boron by distillation as methyl borate. Formation of a red coloured complex between the boron and the curcumin reagent at pH 7. Spectrophotometric measurement of the complex at a wavelength of about 550 nm.


File Size : 1 file , 400 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 5
Published : 12/01/1973
Same As : ISO 2865:1973

History

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