The experimental results reveal that it is very easy and quick to determinate the hardness of water sample with the water hardness indicator and colourimetric card.

The characteristics of CIE colorimetric method and colour chart comparison in colour appraisement of jadeite jade are analysed.

Color indicator of green tea and color card of sensory test;

"Archtectural Coatings Color Card" is another coatings color card standard after Film Color Standard Sample Card,the design principle, structure, fabrication process and usage are sketched.

Ascertainment of photoelectric colorimetry wavelength in COD measuring;

Determination of medium concentration urea in solution by p-dimethylaminobenzaldehyde colorimetry;

Research on Determining the Polysaccharides Content in Capsella bursa-pastoris by 3,5-Dinitrosalicylic Acid Colorimetry

The Propericitate Wavelergths Determination of the Recombination Human Granulocyte-Macrophage Colony Stimulating Factor by Colorimetric Determination;

The colorimetric fiber-optic pyrometer based on DSP chip-TMS320F2812has been designed for the need of high temperature measurement in industry.

Based on image processing,an improved colorimetric method to derive the temperature and emissivity images from a color CCD image for particle-laden combustion process is presented in this paper,which is independent of the spectroscopic characteristics and the representative wavelength of the CCD and the image processing system.

The clinical effect analysis of three shade guides in shade matching.;

Evaluation of digital camera images for shade matching

There are many factors influencing the veracity of shade matching , including the color of oral mucosa.