ISO 2828:1973
ISO 2828:1973 Aluminium oxide primarily used for the production of aluminium – Determination of fluorine content – Alizarin complexone and lanthanum chloride spectrophotometric method
CDN $76.00
Description
Applicable to products having F contents of more than 0.003 % (m/m). Dissolution of a test portion by attack by sulphuric acid under pressure. Separation of the fluorine by distillation at a temperature of (150 1) °C by sulphuric acid. The distillation is carried out by the method described in ISO 1693. Formation of a blue coloured complex between fluorine and alizarin complexone/lanthanum chloride reagent at a pH between 4.5 and 4.6. Addition of acetone to increase the stability and sensitivity of the fluorine complex. Spectrophotometric measurement of the complex at a wavelength of about 620 nm. Has also been approved by the IUPAC.
Edition
1
Published Date
1973-12-01
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
Applicable to products having F contents of more than 0.003 % (m/m). Dissolution of a test portion by attack by sulphuric acid under pressure. Separation of the fluorine by distillation at a temperature of (150 1) °C by sulphuric acid. The distillation is carried out by the method described in ISO 1693. Formation of a blue coloured complex between fluorine and alizarin complexone/lanthanum chloride reagent at a pH between 4.5 and 4.6. Addition of acetone to increase the stability and sensitivity of the fluorine complex. Spectrophotometric measurement of the complex at a wavelength of about 620 nm. Has also been approved by the IUPAC.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 10143:2019 Carbonaceous materials for the production of aluminium – Calcined coke for electrodes – Determination of the electrical resistivity of granules
CDN $76.00 Add to cart -
ISO 8004:1985 Carbonaceous materials for the production of aluminium – Calcined coke and calcined carbon products – Determination of the density in xylene – Pyknometric method
CDN $76.00 Add to cart -
ISO 8723:1986 Carbonaceous materials for the production of aluminium – Calcined coke – Determination of oil content – Method by solvent extraction
CDN $76.00 Add to cart -
ISO 23028:2019 Aluminium oxide primarily used for the production of aluminium – Preparation and storage of test samples
CDN $115.00 Add to cart
