Appearance: The product is blue crystal, contains crystal water which is more than 50%, soluble in water. Moreover, we can produ We supply vanadyl sulfate of two property:Solution and powder.its purity is 97% We self manufacture vanadium sulphate and vanadyl sulfate,which can be applied in vanadium redox battery.If any interests,please feel free to contact us.Vanadyl SulfateOur company can ...