Liquid photometer with apertured mask for input radiation

Details Liquid photometer with apertured mask for input radiation Liquid photometer with apertured mask for input radiation

Category

G - Physics

Subcategory

01

Subsubcategory

N

CPC

73/113, 73/59

IPC codes

G01N 21/00 (2006.01)

Type

Patent

Patent number

CA 1087866

Description

ABSTRACT OF THE DISCLOSURE Disclosed is a photometer of the type utilizing a light source, a sample cell adapted to transmit a continuously-flowing liquid to be analyzed from an inlet port near one end thereof through a flowpath to an outlet port near the other end thereof, and a photodetector for measuring the absorption of light in the sample cell. The photometer comprises a light detector forming means to receive substantially all non-absorbed light, of a pre- selected wavelength, transmitted from the sample cell and an apertured mask for eliminating loss of light by refraction of light onto the walls of the cell. The apertured mask is placed between the light source and the flow cell to prevent light passing through the mask from entering the flow cell from being refracted into contact with an interior wall of said flow cell.

Application Number

243824

Affiliated with

Also associated with

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