Test Tubes

Product Code : SCL-LG-11993

The Test Tubes Pack of 100 is a bulk set of laboratory vessels used for holding, mixing, observing, and processing small quantities of suitable substances during experiments. The pack is intended for schools, colleges, universities, chemistry laboratories, research facilities, and institutional buyers requiring multiple test tubes for routine laboratory work.

Product Description

Test tubes are among the most widely used laboratory vessels for small-scale reactions, sample observation, qualitative tests, solution preparation, and classroom demonstrations. Their narrow cylindrical form allows users to handle limited quantities of substances while observing colour changes, precipitate formation, dissolution, and other visible reactions.

This product contains 100 test tubes per pack. The exact capacity, dimensions, glass composition, rim configuration, wall thickness, bottom shape, and heating suitability are. Buyers can explore related laboratory glassware for wider chemistry and educational laboratory requirements.

Key Features

• Bulk pack of 100: Suitable for laboratories requiring multiple tubes for classes, practical sessions, or routine testing.
• Small-sample handling: Supports mixing, observation, reaction, and temporary holding of suitable samples.
• Transparent format: Allows direct observation of colour changes, precipitates, liquid levels, and other visible effects.
• Capacity: Exact nominal volume of each tube is.
• Material: Exact glass composition and grade are.
• Reusable laboratory format: Reuse depends on material, contamination level, cleaning method, and laboratory procedure.
• Educational value: Supports supervised chemistry demonstrations and practical experiments.

Technical Specifications

What's Included in the Kit

• 100 × Test Tubes.
• Test tube rack, holder, stopper, cleaning brush, reagents, and other accessories are not included unless specifically confirmed.

Applications / Uses

• Holding small quantities of suitable liquids or solid samples.
• Performing qualitative chemical tests and small-scale reactions.
• Observing colour changes, precipitate formation, and dissolution.
• Preparing small samples for further laboratory analysis.
• Supporting chemistry practicals and science demonstrations.
• Use with compatible test tube racks for organized handling and storage.

How to Use the Test Tubes

1. Inspect each tube for cracks, chips, scratches, or contamination before use.
2. Place the tube securely in a compatible rack or hold it with an appropriate test tube holder when required.
3. Add only the quantity of sample specified by the laboratory procedure.
4. Mix substances carefully using the approved laboratory technique.
5. If heating is required, first confirm that the exact glass type is suitable for heating.
6. Observe the reaction and record results according to the experiment.
7. After use, dispose of contents safely and clean or discard the tube according to laboratory procedure.

Safety note: Never heat a sealed test tube. When heating is permitted, keep the open end pointed away from yourself and others, and wear appropriate personal protective equipment.

Care & Maintenance

• Clean reusable tubes promptly to prevent residues from drying on the inner surface.
• Use suitable brushes and cleaning agents without scratching the glass.
• Discard cracked, chipped, or severely scratched tubes.
• Store clean tubes upright in a compatible rack.

Why Choose Science Lab Supplies

Science Lab Supplies manufactures and exports laboratory and educational scientific equipment for schools, colleges, universities, research facilities, and institutional laboratories. Its portfolio includes laboratory glassware, scientific instruments, educational apparatus, and analytical equipment. Buyers can source these Test Tubes alongside complementary chemistry laboratory equipment and analytical laboratory equipment. Product dimensions, capacity, glass grade, and heating suitability should be confirmed before ordering.

Frequently Asked Questions

What are laboratory test tubes used for?

Laboratory test tubes are used for holding, mixing, observing, and processing small quantities of suitable substances during experiments and analytical procedures.

How many test tubes are included in this pack?

This product contains 100 test tubes per pack.

What is the capacity of each test tube?

The exact nominal capacity of each tube is. Capacity should be verified before ordering.

Can these test tubes be heated directly?

Heating suitability is. Do not apply direct heat until the exact glass composition and thermal suitability have been verified.

Are these test tubes suitable for schools and colleges?

Yes. Test tubes are suitable for supervised laboratory practicals involving sample handling, qualitative reactions, solution testing, and scientific demonstrations.

Do the test tubes come with a rack or stoppers?

The confirmed product quantity is 100 test tubes. A rack, stoppers, holders, and other accessories should not be assumed to be included unless specifically stated in the quotation or product specification.

For related test tubes, flasks, beakers, measuring vessels, and laboratory containers, browse the complete laboratory glassware collection from Science Lab Supplies.