
Product Name: Niobium pentoxide
Molecular Formula: Nb2O5
Use: It is raw material for the preparation of niobium and its compound. It can also be used in catalyst and refractory materials.
Property: Molecular weight: 265.81. White powder. Relative density 4.47, melting point 1485℃±5℃, insoluble in water, poorly soluble in acid, soluble in melting potassium hydrogen sulfate or carbonate and hydroxide of alkali metal.
Specification: 'This data is only for reference'
| 
			 Specification  | 
			
			 99.99  | 
			
			 99.9  | 
			
			 99.5  | 
		|
| 
			 Impurities Content 
 ≤ppm  | 
			
			 Cr  | 
			
			 2  | 
			
			 -  | 
			
			 -  | 
		
| 
			 Al  | 
			
			 3  | 
			
			 50  | 
			
			 10  | 
		|
| 
			 As  | 
			
			 -  | 
			
			 50  | 
			
			 50  | 
		|
| 
			 Bi  | 
			
			 1  | 
			
			 -  | 
			
			 30  | 
		|
| 
			 Mn  | 
			
			 1  | 
			
			 -  | 
			
			 12  | 
		|
| 
			 Si  | 
			
			 3  | 
			
			 50  | 
			
			 90  | 
		|
| 
			 Fe  | 
			
			 3  | 
			
			 50  | 
			
			 54  | 
		|
| 
			 Cu  | 
			
			 3  | 
			
			 50  | 
			
			 21  | 
		|
| 
			 Ni  | 
			
			 2  | 
			
			 50  | 
			
			 9  | 
		|
| 
			 Pb  | 
			
			 3  | 
			
			 50  | 
			
			 10  | 
		|
| 
			 Sn  | 
			
			 1  | 
			
			 -  | 
			
			 10  | 
		|
| 
			 Ti  | 
			
			 1  | 
			
			 50  | 
			
			 14  | 
		|
| 
			 W  | 
			
			 3  | 
			
			 50  | 
			
			 50  | 
		|
| 
			 Sb  | 
			
			 -  | 
			
			 50  | 
			
			 30  | 
		|
| 
			 Mo  | 
			
			 3  | 
			
			 -  | 
			
			 13  | 
		|
| 
			 N  | 
			
			 2  | 
			
			 -  | 
			
			 100  | 
		|
| 
			 Ta  | 
			
			 15  | 
			
			 400  | 
			
			 500  | 
		|
| 
			 F  | 
			
			 50  | 
			
			 500  | 
			
			 1500  | 
		|
| 
			 Sr  | 
			
			 -  | 
			
			 -  | 
			
			 1  | 
		|
| 
			 Ba  | 
			
			 -  | 
			
			 -  | 
			
			 24  | 
		|
| 
			 K  | 
			
			 -  | 
			
			 -  | 
			
			 73  | 
		|
| 
			 C  | 
			
			 -  | 
			
			 -  | 
			
			 39  | 
		|
| 
			 Ca  | 
			
			 -  | 
			
			 -  | 
			
			 4  | 
		|
| 
			 Na  | 
			
			 -  | 
			
			 -  | 
			
			 1  | 
		|
| 
			 S  | 
			
			 -  | 
			
			 -  | 
			
			 50  | 
		|
| 
			 Mg  | 
			
			 -  | 
			
			 -  | 
			
			 1  | 
		|
| 
			 Use  | 
			
			 Single crystal of lithium niobat, optical glass  | 
			
			 electronic ceramics, PTC, piezoelectric ceramics, magnetic material  | 
			
			 Hard alloy  | 
		|
| 
			 Loss on Ignition  | 
			
			 
  | 
			
			 0.35%  | 
			
			 0.15%  | 
		|
Packing: Packed by drum or according to customers' requirement.