ISO 806:2004
Current
The latest, up-to-date edition.
Aluminium oxide primarily used for the production of aluminium — Determination of loss of mass at 300 degrees C and 1 000 degrees C
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English
12-10-2004
ISO 806:2004 specifies a method for the determination of loss of mass on heating of aluminium oxide at 300 °C and further loss of mass on ignition at 1 000 °C. By industry convention, these mass losses are often referred to as "moisture (MOI)" and "loss on ignition (LOI)" respectively.
This method is suitable for calcined alumina in the range 0,2 % to 5 % loss of mass at 300 °C and 0,1 % to 2 % loss of mass at 1 000 °C.
This method provides for samples to be treated on an "as-received" basis for determination of actual MOI and LOI in alumina samples. To improve precision of analysis in cases where "as-received" results are not required, samples can be "air-equilibrated" prior to analysis. "Air-equilibration" can greatly affect MOI results and significantly alter LOI results. The "air-equilibration" procedure and its effects are discussed.
Instrumental methods are also discussed.
| Committee |
ISO/TC 226
|
| DevelopmentNote |
Supersedes ISO/DIS 806 and ISO 803 (10/2004)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS ISO 806:2004 | Identical |
| NEN ISO 806 : 2004 | Identical |
| BS 4140-3:1986 | Identical |
| NBN T 03 405 : 1983 | Identical |
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| BS 4140-9:1986 | Methods of test for aluminium oxide Measurement of the angle of repose |
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| BS ISO 23202:2006 | Aluminium oxide used for the production of aluminium. Determination of particles passing a 20 micrometre aperture sieve |
| BS 4140-13:1986 | Methods of test for aluminium oxide Preparation of sample solution by treatment with hydrochloric acid under pressure |
| BS 4140-6:1980 | Methods of test for aluminium oxide Determination of titanium content |
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| ISO 23202:2006 | Aluminium oxide used for the production of aluminium — Determination of particles passing a 20 micrometre aperture sieve |
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| BS 4140-16:1986 | Methods of test for aluminium oxide Determination of zinc content by flame atomic absorption |
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| 05/30119065 DC : DRAFT MAY 2005 | ISO 23202 - ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM - DETERMINATION OF PARTICLES PASSING A 20 MICRON APERTURE SIEVE |
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| BS ISO 23201:2015 | Aluminium oxide primarily used for production of aluminium. Determination of trace elements. Wavelength dispersive X-ray fluorescence spectrometric method |
| BS 4140-7:1986 | Methods of test for aluminium oxide Determination of iron content |
| BS 4140-22:1980 | Methods of test for aluminium oxide Determination of manganese content |
| BS 4140-5:1986 | Methods of test for aluminium oxide Determination of silica content |
| BS 4140-4:1986 | Methods of test for aluminium oxide Preparation of sample solution by alkaline fusion |
| ISO 12315:2010 | Aluminium oxide primarily used for production of aluminium — Method for calculating the Al2O3 content of smelter-grade alumina |
| BS 4140-12:1986 | Methods of test for aluminium oxide Determination of vanadium content |
| BS 4140-11:1986 | Methods of test for aluminium oxide Determination of sodium content |
| BS 4140-10:1986 | Methods of test for aluminium oxide Determination of untamped density |
| ISO 23201:2015 | Aluminium oxide primarily used for production of aluminium — Determination of trace elements — Wavelength dispersive X-ray fluorescence spectrometric method |
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