General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 5687.11-2006
Scope
This standard specifies the principle, reagents and materials, instruments, sample preparation, analysis steps, calculation of analysis results, tolerances and test reports for the determination of titanium content by diantipyrine methane spectrophotometry. This standard is applicable to the determination of titanium content in ferrochromium, the determination range (mass fraction): 0.010% ~ 0.60%.
GB/T 5687.11-2006 Referenced Document
GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*, 2015-09-11 Update