Nessler Cylinder

Product Code : SCL-LG-11986

The Nessler Cylinder is a laboratory glass cylinder used for visual comparison of the colour, clarity, or intensity of suitable liquid samples under controlled test conditions. It is intended for chemistry, pharmaceutical, educational, research, and analytical laboratories that perform comparative colour tests, limit tests, and solution assessment.

Product Description

A Nessler cylinder, also called a colour comparison cylinder or Nessler tube, enables two or more liquid samples to be visually compared under similar viewing conditions. During testing, the sample and reference solution are normally prepared to specified volumes in matched cylinders so differences in colour or appearance can be assessed consistently.

Nessler cylinders are established laboratory vessels for colour comparison and are also specified in various analytical limit-test procedures. The exact capacity, glass composition, dimensions, graduation configuration, stopper arrangement, and calibration details of this Science Lab Supplies model are . Buyers can explore related laboratory glassware for complementary laboratory requirements.

Key Features

• Designed for visual comparison: Supports side-by-side assessment of suitable sample and reference solutions.
• Suitable for analytical procedures: Can support colour comparison and applicable limit-test methods.
• Clear laboratory format: Allows direct observation of liquid colour and appearance.
• Capacity options: Exact nominal capacity of this product is .
• Material specification: Exact glass type, composition, and grade are .
• Manual operation: Requires no electronic measurement system for basic visual comparison.
• Educational value: Demonstrates comparative analytical techniques in supervised laboratory practicals.

Technical Specifications

What's Included in the Kit

• 1 × Nessler Cylinder.
• Any stopper, matching comparison cylinder, rack, reagent, standard solution, pipette, or other accessory is not included unless specifically confirmed.

Applications / Uses

• Visual comparison of sample and reference-solution colour.
• Applicable pharmaceutical and chemical limit-test procedures.
• Comparative assessment of light-coloured laboratory solutions.
• Teaching qualitative and semi-quantitative analytical techniques.
• Supervised practical work in chemistry and pharmaceutical laboratories.
• Analytical workflows using related analytical laboratory equipment.

How to Use the Nessler Cylinder

1. Inspect the cylinder for cracks, chips, contamination, or residual staining.
2. Clean and rinse it according to the applicable analytical procedure.
3. Prepare the test solution and reference solution exactly as required by the selected method.
4. Transfer equal specified volumes into clean, compatible comparison cylinders.
5. Place the cylinders under the prescribed lighting and viewing conditions.
6. Compare colour intensity or appearance according to the analytical method.
7. Record the observation and clean the glassware promptly after use.

Safety note: Wear appropriate personal protective equipment and follow the safety requirements for all chemicals and reagents used. Do not use cracked or damaged laboratory glassware.

Care & Maintenance

• Clean promptly after use to prevent deposits or colour residues from affecting future observations.
• Avoid abrasive cleaning tools that may scratch the viewing surface.
• Prevent thermal shock and mechanical impact.
• Store clean and dry in a protected laboratory-glassware area.

Why Choose Science Lab Supplies

Science Lab Supplies manufactures and exports laboratory and educational scientific equipment for schools, colleges, universities, research institutions, and institutional laboratories. Its product range includes scientific instruments, chemistry apparatus, analytical equipment, and laboratory glassware. Buyers can source the Nessler Cylinder alongside related chemistry lab equipment. Product-specific capacity, material grade, calibration, dimensions, accessories, and standards conformity should be confirmed before purchase.

Frequently Asked Questions

What is a Nessler Cylinder used for?

A Nessler Cylinder is used for visual comparison of the colour or appearance of liquid samples, typically by comparing a test solution with a reference solution under controlled conditions.

How does a Nessler Cylinder work?

Specified volumes of sample and reference solutions are placed in comparable cylinders. Their colour intensity or appearance is then visually assessed according to the applicable analytical method.

What material is a Nessler Cylinder made from?

A Nessler Cylinder is a laboratory glass vessel. The exact glass composition and grade of this Science Lab Supplies product are .

Can a Nessler Cylinder be used for pharmaceutical limit tests?

Yes, Nessler cylinders are used in certain pharmaceutical limit-test procedures. The exact apparatus requirements should always follow the applicable pharmacopoeial or laboratory method.

Is a Nessler Cylinder the same as a measuring cylinder?

No. A Nessler Cylinder is primarily intended for visual colour comparison, while a measuring cylinder is primarily designed for measuring liquid volume.

Can Nessler cylinders be used in schools and colleges?

Yes. They can be used in supervised chemistry and analytical laboratory practicals where students study colour comparison, solution testing, and applicable limit-test principles.

For related volumetric glassware, view the Volumetric Flask or browse the complete laboratory glassware collection from Science Lab Supplies.