Method for evaluating the quality of abrasive grains,...

Details Method for evaluating the quality of abrasive grains,... Method for evaluating the quality of abrasive grains,...

2006-04-11

2006-04-11

Marcheschi, Michael (Department: 1755)

Abrasive tool making process, material, or composition

With inorganic material

C051S309000, C106S003000, C423S263000, C451S041000

Reexamination Certificate

active

07025796

ABSTRACT:
A method for evaluating the quality of abrasive grains for polishing glass, which comprises adding abrasive grains to be measured, to an aqueous medium having silica dissolved therein, to have the silica adsorbed on the abrasive grains under such a condition that the silica undergoes substantially no polymerization in the aqueous medium, followed by solid-liquid separation to separate the abrasive grains from the mother liquor, and measuring the concentration of silica remaining in the mother liquor to measure the adsorption rate (η) of silica on the abrasive grains.

REFERENCES:
patent: 6358853 (2002-03-01), Cadien et al.
patent: 6843816 (2005-01-01), Ito et al.
patent: 1243633 (2005-09-01), None
patent: WO02/062917 (2002-08-01), None

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