铵metavanadate

Ammonium Metavanadate Structural Formula :NH4VO3 GB-7315.1-87 standard (on dry-basis)chemical composition %stateNH4VO3SiFeSAlClAsNa2O+K2O≥≤ 98.00.20.30.040.10.20.010.3powdery99.00.10.10.030.050.150.010.299.50.080.080.020.030.100.010.01 Packing: 25kg/40kg/50Kg , Plastic bag inside and Carbaord drum outside Chemical Properties: The color is white and yellowish white . The melting point of it is 200 °C .It is soluble in hot water ,hot ethanol, ethyl ether and ammonium hydroxide. but it dissolved lightly in cold water. It could be burnt into vanadium in air. It`s poisonous .The relative molecular weight is 116.98 Usage : It is used as catalyst , chemical reagent and mordant in many different lines . A kind of coloring material in Dyeing and glazes in Ceramic Industry .It also can be used to produce Vanadium Pentoxide. Quality Guarantee : Advanced technique, Completed resource contol and Hard and fast measurement of products , which make sure the succesful implementation of our reliable quality certification system . Today ,our products have been sold all over the world like America ,German , Middle East and so on . We have about twenty years experiences of production and have enjoyed good reputation in this line .Welcome to contact us !