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Color Comparison Tubes

Clear, glass tubes suitable for the visual color comparison of liquid samples; available in a variety of volume capacities; may be autoclavable; may possess a 'shadowless bottom' and/or volume indicators for more accurate sample analysis.

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1

Lovibond™ Cylindrical Nessler Tube

For use in colorimetric analysis, such as APHA color.

3
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DWK Life Sciences Kimble™ Low Form Nessler Color Comparison Tubes

Fill Kimble™ Low Form Nessler Color Comparison Tubes and let their shadowless bottom transmit undistorted light. No dark spots form when the tubes are filled with liquid and viewed from the top.

Material Borosilicate Glass
Certifications/Compliance USP, ASTM E 438, APHA
Autoclavable Autoclavable
Sterility Non-sterile
Scale Type Graduated Ring
4

DWK Life Sciences Kimble™ Low-Form Color-Comparison Tubes

Shadowless bottom construction allows for viewing with undistorted light

Material Borosilicate Glass
5

DWK Life Sciences Kimble™ Color Comparison APHA Standard Tubes

High-quality glass test tubes that meet Federal and American Public Health Association (APHA) standards

Includes White ceramic enamel rings and legend
Material Borosilicate Glass
Certifications/Compliance NNN-T-175, USP, ASTM E 438, APHA
For Use With (Application) Used to fill with standard solution colors for visual color comparison with similar tubes containing solution sample
Scale Type Graduated Ring
6

Lovibond™ Tintometer™ Nessler Tube with Plungers

Used to assess product colour by comparison with representative series of fixed colour standards

8

DWK Life Sciences Kimble™ Exax Brand Nessler Tall-Form Color Comparison Tubes

Shadowless bottoms transmit undistorted light

Includes White ceramic enamel rings and legend
Color Colorless
Material Borosilicate Glass
Certifications/Compliance NNN-T-175, USP, ASTM E 438, APHA
For Use With (Application) Used to fill with standard solution colors for visual color comparison with similar tubes containing solution sample
Scale Type Graduated Ring
9

DWK Life Sciences Kimble™ Exax Brand Nessler Tall-Form Color Comparison Tubes with standard taper Cap Stoppers

With standard taper Cap Stoppers

Includes White ceramic enamel rings and legend
Color Colorless
Material Borosilicate Glass
Certifications/Compliance NNN-T-175, USP, ASTM E 438, APHA
For Use With (Application) Used to fill with standard solution colors for visual color comparison with similar tubes containing solution sample
Closure Type Standard Taper Stopper
Scale Type Graduated Ring
10

Witeg™ Color Comparing Tubes Acc. to Eggertz

For the colorimetric estimation of carbon and manganese in steel.