Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-09-13
1977-12-20
Serwin, R.E.
Chemistry: physical processes
Physical processes
Crystallization
73104, 134 42, 252109, 252408, 252135, G01N 2106
Patent
active
040638936
ABSTRACT:
A novel dye stablized cleaning solution of trisodium phosphate and a method of cleaning with said solution is provided by the disclosure. The novelty of said solution and method consists of forming the solution with tap water filtered with an activated charcoal and admixing a specific color indicating dye therewith. The color imparted by said dye remains stable and will not fade or settle-out in said solution. The presence of the trisodium phosphate solution is thereby readily detectable.
REFERENCES:
patent: 1915965 (1933-06-01), Williams
patent: 3618374 (1971-11-01), Miller
patent: 3647705 (1972-03-01), Mlot-Fijalkowski
Stoulil Arthur C.
Stoulil William G.
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