Tungstate Acid

1.Impurity content:

Type		Grade 1	Grade 2	Grade3
WO3(≥%)		91.0	90.0	85.0
Impurity content not more than(%)	Element	Max	Max	Max
	Al	0.001	0.001	0.001
	As	0.010	0.015	0.020
	Bi	0.001	0.001	0.001
	Ca	0.006	0.008	0.010
	Co	0.001	0.001	0.001
	Cr	0.001	0.001	0.001
	Cu	0.001	0.001	0.001
	Fe	0.003	0.003	0.004
	K	0.001	0.002	0.003
	Mg	0.001	0.001	0.001
	Mn	0.001	0.001	0.001
	Mo	0.015	0.002	0.030
	Na	0.004	0.005	0.005
	Ni	0.001	0.001	0.001
	P	0.002	0.003	0.005
	Pb	0.001	0.001	0.001
	S	0.005	0.005	0.010
	Sb	0.001	0.001	0.001
	Si	0.004	0.005	0.010
	Sn	0.001	0.001	0.001
	Ti	0.001	0.001	0.001
	V	0.001	0.001	0.001

2.Appearance
Tungstic Acid is yellow, with color uniform. products do not have impurities which are not visible to be naked eye.

3.Packing
The product packaging used steel barrel, polyethylene-lined plastic bags and they should be tightly enclosed separately. The net weight for each is 50、100、200kg.

If you have any interest in our products, please feel free to contact us by email: sales@chinatungsten.com or by telephone:+86 592 5129696.

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