Spectrophotometric measurement in a chemical testing apparatus

Details Spectrophotometric measurement in a chemical testing apparatus Spectrophotometric measurement in a chemical testing apparatus

1978-06-30

1980-10-21

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

422 81, 422 82, 356246, G01N 2124, G01N 2126

Patent

active

042291798

ABSTRACT:
In a spectrophotometric measuring apparatus sample liquid is pumped into a substantially cylindrical cuvette having an internal dimension such that a meniscus of a leading edge of a liquid sample pumped therethrough is maintained. Radiant energy directed through the sample liquid is directed across the path of fluid flow rather than along the length thereof. Consequently, spectrophotometric measurement is performed using a significantly reduced optical pathlength.

REFERENCES:
patent: 3286583 (1966-11-01), Ferrari
patent: 3342019 (1967-09-01), Smythe
patent: 3418053 (1968-12-01), Pelavin
patent: 3422667 (1969-01-01), Hrdina
patent: 3480369 (1969-11-01), Smythe et al.
patent: 3529896 (1970-09-01), Padawer
patent: 3584964 (1971-06-01), Najame, Jr.

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