Chemistry: physical processes – Physical processes – Crystallization
Patent
1977-11-21
1978-08-01
Reese, Robert M.
Chemistry: physical processes
Physical processes
Crystallization
G01N 3316
Patent
active
041040279
ABSTRACT:
A process is provided for the presumptive identification of narcotics and drugs of abuse, utilizing a combination of color-producing reagents in a sequence which minimizes the occurrence of false positives, and makes possible the presumptive identification by color matching of virtually all the important narcotics and drugs of abuse found in traffic at the present time.
REFERENCES:
patent: 3656906 (1972-04-01), Bullock
patent: 3713779 (1973-01-01), Sirago et al.
patent: 3761227 (1973-09-01), Conrad et al.
patent: 3873270 (1975-03-01), Hamilton et al.
patent: 3955926 (1976-05-01), Fischer
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