ammonium paratungstate

ammonium paratungstate manufacture in china. purity:more than 88.5%

1.products
		APT-0	APT-1	APT-2
WO3 CONTENT (%min)		88.5	88.5	88.5
Element (% max)	Al	0.0005	0.001	0.001
	As	0.001	0.001	0.002
	Bi	0.0001	0.0001	0.0002
	Ca	0.001	0.001	0.002
	Co	0.001	0.001	0.001
	Cr	0.001	0.001	0.001
	Cu	0.0003	0.0005	0.001
	Fe	0.001	0.001	0.002
	K	0.001	0.0015	0.002
	Mn	0.001	0.001	0.001
	Mg	0.0007	0.001	0.002
	Mo	0.002	0.005	0.01
	Na	0.001	0.0015	0.002
	Ni	0.0007	0.001	0.001
	P	0.0007	0.001	0.002
	Pb	0.0001	0.0001	0.0002
	S	0.0007	0.001	0.001
	Sb	0.0008	0.001	0.002
	Si	0.001	0.001	0.003
	Sn	0.0001	0.0003	0.0005
	Ti	0.001	0.001	0.001
	V	0.001	0.001	0.001
2.Application: used for making the tungsten powder,tungsten bar/plate,tungsten wire and tungsten carbide alloy and other chemical products.
3.packing: in iron drum of 50kgs net each

ammonium paratungstate