Nessler Tubes

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 Replacement cap is 15182 (3058L93 & 3058L98) 3058K65 is…

The top graduation line on unmatched Kimble Nessler Color Comparison Tubes may be any distance from the outside bottom within the range of scale lengths shown in individual descriptions. In matched sets, the top graduation lines of all the tubes in a set will be within the very close limits…

The top graduation line on unmatched Kimble Nessler Color Comparison Tubes may be any distance from the outside bottom within the range of scale lengths shown in individual descriptions. In matched sets, the top graduation lines of all the tubes in a set will be within the very close limits for…

For testing ammonia nitrogen “Shadowless” bottom eliminates dark spots caused by distortion of transmitted light. Made of glass specially formulated to be as free of color as possible. Marks have fused-in white filler. Package of six tubes.

These Nessler tubes are ideal for color comparison. Shadowless bottom of each tube transmits undistorted light Rings and legend are durable white ceramic enamel 45310A series is supplied in matched sets of 6 Graduated ring scale of any of the six tubes will not vary by more than 3…

These Nessler tubes are ideal for color comparison. Shadowless bottom of each tube transmits undistorted light Rings and legend are durable white ceramic enamel which correspond with specific volumes of liquid 45315A series is supplied in a matched set of 6 Graduated ring scale of…

… Designed for measuring unsaturated samples that are below the sensitivity of a normal, hand-held comparator system, the Comparator 2000+ Nesslerizer employs longer path lengths that make it possible to accurately match samples that produce very pale colors visually. The built-in magnifying…

White polypropylene rack has six places, 27mm diameter to hold 50ml tubes. Top to bottom deck height is 10cm (4") Flat bottom deck provides a reflective surface for tubes Easy snap together assembly Steam autoclavable

…Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-120 & 120-1200 ppm MDL: 20 ppm Method: Direct Nesslerization Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The…

…Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-60 & 60-600 ppm MDL: 10 ppm Method: Direct Nesslerization Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The…

These brushes are specially designed with a densely filled radial tip and head to make complete contact with cylinder walls, corners and bottom.

…water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-30 & 30-300 ppm MDL: 5 ppm Method: Direct Nesslerization Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule. The…

…drinking water, natural water, and highly purified wastewaters (concentration < 20 μg/L) Method calls for use with tall form 50 mL Nessler Tubes (45315A & B-50) Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class…

…Results are expressed in ppm (mg/L) ammonia-nitrogen, NH₃-N. The Hydroxybenzyl Alcohol Method offers sensitivity similar to the Nesslerization Method and there is no generation of mercury-containing waste. Kit comes in a plastic case and contains everything needed to perform 30…

…Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-1000 & 1000-10,000 ppm MDL: 100 ppm Method: Direct Nesslerization Shelf-life: Although the Nessler reagent is stable, its high alkali content attacks the glass ampoule.…

…Results are expressed in ppm (mg/L) ammonia-nitrogen, NH₃-N. The Hydroxybenzyl Alcohol Method offers sensitivity similar to the Nesslerization Method and there is no generation of mercury-containing waste. Kit comes in a plastic case and contains everything needed to perform 30…