Ключевые слова:
Sintered products|Complexing methods|Atomic absorption spectrophotometry|Conglomerates|Statistical methods of analysis|Flame photometry|Testing conditions|Concentration (chemical)|Chemical analysis and testing|Metalliferous minerals|Concentrates|Precision|Solvent extraction methods|Determination of content|Reproducibility|Vanadium|Calibration|Iron ores|Specimen preparation