Describes a gravimetric method for determining loss on ignition, and classical (wet analysis) and spectrophotometric methods of analysis for silicon, chromium, iron, aluminium, manganese, calcium and magnesium. Sodium, potassium and lithium are determined by flame photometry. Includes tabulation of typical composition of chrome-bearing materials to which This Standard is applicable, a statement on repeatability of the determinations, and a flowchart summarizing the total scheme of analyses.