Method of polishing glass ware with sulfuric acid and hydrofluor

Details Method of polishing glass ware with sulfuric acid and hydrofluor Method of polishing glass ware with sulfuric acid and hydrofluor

1980-11-19

1982-06-01

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 99, 204125, 204180P, 204130, 156663, 210660, 422 50, C25B 116

Patent

active

043326498

ABSTRACT:
The invention relates to a polishing method for pressed glass or ground glass articles. As is conventional, polishing is effected in a bath containing sulfuric acid and hydrofluoric acid. Rinsing with a sulfuric acid and/or water washing bath intervenes and follows the polishing process. According to the method of the invention, the sodium and/or potassium ions resulting from the dissolution of glass constituents are removed from the polishing bath by the following means:

REFERENCES:
patent: 3321388 (1967-05-01), Ueda et al.
patent: 3560281 (1971-02-01), Nelson

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