ISO-9208 › Aluminium ores - Determination of vanadium content -- BPHA spectrophotometric method
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Is applicable to ores containing between 0,005 % (m/m) and 0,1 % (m/m) of vanadium pentoxide. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test report. Annex A (normative) gives the flowheet of the procedure for the acceptance of test results, annex B (informative) shows the graphical representation of precision data.
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Oct. 15, 1989
ISO TC 129