Nessler tubes are used for comparison of color and turbidity between solutions. They are available in tall or short form, and the tubes are often used to carry out a series of calibration solutions of increasing concentrations, meaning they can function as a comparative scale. To minimize differences in the subjective impression of the color of the substance to be analyzed, cylinders of a series should have the same characteristics—height, diameter, and glass thickness.
Nessler cylinders, KIMBLE®
Supplier: SCHERF PRAZISION
The Nessler tubes, with shadowless bottom that transmits undistorted light, are ideal for colour comparison. Rings and markings are in durable white ceramic enamel which correspond with specific volumes of liquid. 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 1,5 mm.
Expand 2 Items
Nessler cylinders, soda lime glass
Supplier: MARIENFELD
Nessler cylinders are made of soda lime glass with white circular mark and spout. They are used for comparison of colour and turbidity between solutions.
Expand 3 Items
Eggertz tubes for comparators
Supplier: witeg Labortechnik
Eggertz tubes, 20 ml with 0,1 ml division for comparators
Expand 2 Items
Nessler cylinders
Supplier: witeg Labortechnik
Colour comparison cylinders according to Nessler for comparators, with optically plane bottom.
Expand 5 Items
Colour viewing tubes
Supplier: HACH
Color viewing tube, with 5 & 20 ml mark, for Test Kit DE2.
Expand 1 Items
Nessler cylinders
Supplier: NEUBERT VOLUME GLASSWAERE
Nessler cylinders, 50 ml, low form, Ø×H: 26×175, 50 ml division
Expand 5 Items
Nessler cylinders
Supplier: DWK LIFE SCIENCES
These Nessler cylinders are designed for colour comparison of water samples, foodstuffs, etc