Active chemical transducer with optical fibres and reagent suppo

Analytical photometer, in particular multi-channel, applied to a

Apparatus and method for changing the color of a flow of fluid

Apparatus and method for changing the color of a flow of fluid

Apparatus and method for determining the concentration in a samp

Apparatus and method for determining the concentration of specie

Apparatus for and method of optical absorbance and fluorescent r

Apparatus for effecting automatic analysis

Apparatus for measuring foreign substance content in a flowing l

Auto-optical centering device for photometers

Automatic monochromatic light absorbance measurement analyzer

Chemical analysis cuvette

Chlorine analysis using fiber optics

Colorimeter

Colorimeter

Colorimetric method and apparatus

Compact multi-wavelength optical reader and method of...

Copper liquor analyzer

Crystalline colloidal array compositions

Device for measuring changes in parameters within...