Features Specifications:Potassium metavanadate  dear sir / madam . our company can long term to supply the potassium metavanadate ,if you interest in it please do not hesitate to contact us , thank you . the goods name : potassium metavanadate  the content :98% --99 % the package :iron bucket or as your request  the delivery time : promptly  the payment : L/C or T/T  V ...........................min. 36 V2O5.........................min.64.3 K............................min.26 K2O..........................min.31.3 Na...........................max. 0.2 Fe ..........................max. 0.02 thank you for your inquiry  best regards  yours