Best With Supplied Samples

Kimax 45315A-50100 Borosilicate Glass 50mL-100mL Nessler APHA Standard Color Comparison Tube (Matched Set of 6)

Nessler tubes are standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Shadowless bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beaneath the tube.
graduated ring scale of any tube will not vary by more than 2.0mm from that of any other tube within the set.
Rings and legend are durable white ceramic enamel.
rings coincide with specific volumes of liquid.
Designed from Federal Specification NNN-T-175, Type 1, Class 2 requirements.

Bottles are manufactured from Type I borosilicate glass.
Ideal for incubating diluted samples of sewage, sewage effluents, polluted waters, and industrial wastes to determine biological oxygen demand.
Specially designed shoulder radius sweeps all air from inside the bottle during filling.
Interchangeable stoppers have a tapered bottom that also prevents air entrapment.
Numbered versions supplied with bar codes for quick and accurate recording of bottle numbers.

Nessler tubes are standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Shadow-less bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beneath the tube.
Standard taper cap style stoppers need not be removed to take readings.
"Shadow-less" is printed on the side of the stopper to distinguish these stoppers.
Rings and legend are durable white ceramic enamel.
rings coincide with specific volumes of liquid.
graduated ring scale of any tube will not vary by more than 1.5mm from that of any other tube within the set.

Nessler tubes are standardized glass tubes used to fill with standard solution colors for visual color comparison with similar tubes containing solution samples.
Shadow-less bottom transmits undistorted light.
no dark spots form when tube is filled with liquid and viewed from the top using a light source beneath the tube.
Standard taper cap style stoppers need not be removed to take readings.
"Shadow-less" is printed on the side of the stopper to distinguish these stoppers.
Rings and legend are durable white ceramic enamel.
rings coincide with specific volumes of liquid.
graduated ring scale of any tube will not vary by more than 2.0mm from that of any other tube within the set.

ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques ..
EASY TO MOUNT: The 10" deep and 12" deep are designed to mount to wood studs. If you have steel studs you need to use toggles (not supplied) It has a heavy duty hidden bracket, pre-drilled, with easy install. U.S. Patent No. 9,163,415.
ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques . See last photo for the difference between Black, Mocha, Medium Brown & Grey. Samples are available, message us..
HAND CRAFTED - Quality materials, solid Pine. Made in the USA. One of a kind true heirloom..
RUSTIC / CONTEMPORARY WOOD FLOATING SHELF - This sturdy floating shelf will hold 50# no problem, if mounted properly. They are great for dishes and books..

ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques ..
EASY TO MOUNT: The 10" deep and 12" deep are designed to mount to wood studs. If you have steel studs you need to use toggles (not supplied) It has a heavy duty hidden bracket, pre-drilled, with easy install. U.S. Patent No. 9,163,415.
ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques . See last photo for the difference between Black, Mocha, Medium Brown & Grey. Samples are available, message us..
HAND CRAFTED - Quality materials, solid Pine. Made in the USA. One of a kind true heirloom..
RUSTIC / CONTEMPORARY WOOD FLOATING SHELF - This sturdy floating shelf will hold 50# no problem, if mounted properly. They are great for dishes and books..

ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques ..
EASY TO MOUNT: The 10" deep and 12" deep are designed to mount to wood studs. If you have steel studs you need to use toggles (not supplied) It has a heavy duty hidden bracket, pre-drilled, with easy install. U.S. Patent No. 9,163,415.
ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques . See last photo for the difference between Black, Mocha, Medium Brown & Grey. Samples are available, message us..
HAND CRAFTED - Quality materials, solid Pine. Made in the USA. One of a kind true heirloom..
RUSTIC / CONTEMPORARY WOOD FLOATING SHELF - This sturdy floating shelf will hold 50# no problem, if mounted properly. They are great for dishes and books..

ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques ..
EASY TO MOUNT: The 10" deep and 12" deep are designed to mount to wood studs. If you have steel studs you need to use toggles (not supplied) It has a heavy duty hidden bracket, pre-drilled, with easy install. U.S. Patent No. 9,163,415.
ANTIQUE LOOK - This color has a matte finish. Three coats of commercial poly, flat finish joelsantiques . See last photo for the difference between Black, Mocha, Medium Brown & Grey. The color varies a bit due to cell and computer screens. Samples are available, message us..
HAND CRAFTED - Quality materials, solid Pine. Made in the USA. One of a kind true heirloom..
RUSTIC / CONTEMPORARY WOOD FLOATING SHELF - This sturdy floating shelf will hold 50# no problem, if mounted properly. They are great for dishes and books..