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DWK Life Sciences Kimble™ Color Comparison APHA Standard Tubes

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

Supplier:  DWK Life Sciences 45315100

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Catalog No. 10-310-189B

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

  • “Shadowless Bottom” feature allows for viewing with undistorted light
  • Taller and more narrow with a longer scale length than earlier models
  • All graduation lines and legends are durable white ceramic enamel
  • Rings coincide with specific volumes of liquid
  • Comes in sets of six unmatched tubes in 50mL and 100mL sizes
  • Glass, nonsterile, autoclavable

Due to product restrictions, we cannot sell this product online. Please call Customer Service at 1-800-766-7000 or send an email to for assistance.


Designed from Federal Specification NNN-T-175, Type 1, Class 2 requirements. The 50mL size is specifically mentioned by APHA in Standard Methods for the Examination of Water and Wastewater.



Borosilicate Glass
375 mm
NNN-T-175, USP, ASTM E 438, APHA
White ceramic enamel rings and legend
275 to 295 mm
100 mL
24 mm
Used to fill with standard solution colors for visual color comparison with similar tubes containing solution sample
100 mL
Graduated Ring


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