Purification of talc

Details Purification of talc Purification of talc

1974-11-07

1976-02-17

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423331, C01F 100

Patent

active

039392490

ABSTRACT:
An arsenic sulfide mineral impurity, such as gersdoffite, is removed from talc by an oxidative leach treatment at a pH below 2.

REFERENCES:
patent: 2504357 (1950-04-01), Swallen
patent: 3172755 (1965-03-01), Vian-Ortuno et al.
patent: 3709680 (1973-01-01), Holmes et al.
patent: 3758293 (1973-09-01), Viviani et al.

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