APHA Nessler Color Comparison Tubes with Cap Stoppers
These Nessler tubes are ideal for color comparison and feature cap style stoppers that do not need to be removed to take readings.
- Shadowless bottom of each tube transmits undistorted light
- Standard Taper cap style stopper
- 45325A is supplied in a matched set of 6
- 45325B is supplied in a matched set of 12
- Graduated ring scale of any of the tubes within a set will not vary from that of any other tube within the set by more than 1.5mm for the 50mL and 2.0mm for the 100mL sizes
- The 50-100mL size is designed from ASTM D1209
- Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements