YS/T 540.1-2018 Methods for chemical analysis of vanadium Part 1: Determination of vanadium content Potassium permanganate-ferrous ammonium sulfate titration method (English Version)
2018YS/T 540.1-2018 Methods for chemical analysis of vanadium Part 1: Determination of vanadium content Potassium permanganate-ferrous ammonium sulfate titration method
2006YS/T 540.1-2006 Vanadium chemical analysis method Potassium permanganate-ferrous ammonium sulfate titration method for determination of vanadium content