Sodium tungstate,,Sodium tungstate,HUTONG GLOBAL CO.,LTD

Sodium tungstate

Item :

Details :

             Sodium tungstate

Molecular
    formula

Na₂WO₄·2H₂O

Index

Index

Index%

Optimal grade

Refined

Crude

WO₃

≥69.0

≥69.0

≥68.0

Mo

≤0.02

≤0.02

≤0.04

As

≤0.001

≤0.002

Cu

≤0.0002

Fe

≤0.001

≤0.002

SO4

≤0.02

0.01

Si

≤0.004

≤0.04

Water insoluble

≤0.005

≤0.01

PH

8.5-9

8.5-9

Metal (Pb)

≤0.001

≤0.002

Cl

≤0.03

Use

Intermediate product in tungsten material production. Can be used in mordant, catalyst, pigment,
    analytical reagent and fabric weighting agent in textile industry, and can also be used to produce
    fire or water proof fabric.

Packing

50KG, 100KG iron drum or woven bag.

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