| 1. | Vanadium - determination of iron content - phenanthroline spectrophotometric method 钒化学分析方法邻菲罗啉光度法测定铁量 |
| 2. | Methods for chemical analysis of vanadium pentoxide - the oscillopolarographic method for the determination of sulphur content 五氧化二钒化学分析方法示波极谱法测定硫量 |
| 3. | Methods for chemical analysis of vanadium pentoxide - the barium svlphate gravimetric method for the determination of sulphur content 五氧化二钒化学分析方法硫酸钡重量法测定硫量 |
| 4. | Methods for chemical analysis of vanadium pentoxide - the agddtc spectrophotometric method for the determination of arsenic content 五氧化二钒化学分析方法agddtc分光光度法测定砷量 |
| 5. | Methods for chemical analysis of vanadium pentoxide - the molybdenum blue spectrophotometric method for the determination of silicon content 五氧化二钒化学分析方法钼蓝分光光度法测定硅量 |
| 6. | Methods for chamical analysis of vanadium pentixide - the ortho - phenanthroline spectrophotometric method forthe determination of iron content 五氧化二钒化学分析方法邻二氮杂菲分光光度法测定铁量 |
| 7. | Methods for chemical analysis of vanadium pentoxide - the coprecipitation - extraction molybdenum blue spectrophotometric method for the determination of phosphorus content 五氧化二钒化学分析方法共沉淀-萃取钼蓝分光光度法测定磷量 |
| 8. | Methods for chemical analysis of vanadium pentoxide - the atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents 五氧化二钒化学分析方法原子吸收分光光度法测定氧化钾和氧化钠量 |
| 9. | Methods for chemical analysis of vanadium pentoxide - the potassium permanganate oxidation - ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content 五氧化二钒化学分析方法高锰酸钾氧化-硫酸亚铁铵滴定法测定五氧化二钒量 |