Nessler Tube


Shadowless bottoms transmit undistorted light

  • Colorless
  • Permanent white fused-in graduations
  • Height to graduation in sets of 50mL size does not vary more than 1.5mm; in 100mL size, not more than 2mm
  • Limits recommended by APHA-AWWA-WPCF, Standard Methods
  • 50mL size designed from Fed. Spec. NNN-T-175 Type 1, Class 2 requirements

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