Best Comparison Engine

Borosilicate Glass 100mL Standard Color Comparison Tube (Matched Set of 12)

Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Color comparison tubes are used for visually comparing solution sample colors..
Matched set of 12 tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light..

Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Color comparison tubes are used for visually comparing solution sample colors..
Matched set of 12 tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light..

1:Color comparison tubes are used for visually comparing solution sample colors..
2:Matched set of six tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

1:Color comparison tubes are used for visually comparing solution sample colors..
2:Matched set of six tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.

1:Color comparison tubes are used for visually comparing solution sample colors..
2:Matched set of 12 tubes for consistent graduated-ring scale..
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.

Made of glass, good thermal stability, chemical stability, mechanical properties,high transparency.
Standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
In contrast, two colorimetric tubes were placed in front of white paper of the same degree of illumination, and the color difference was observed with the naked eye.
Color comparison tubes are used for visually comparing solution sample colors.