Name: Lenz-Laborglas & Co. KG Test Tube with Round Bottom and NS Socket (NS 14/23, Volume 12mL)
Brand: Lenz-Laborglas
SKU: 9.190 416
Price: 433.44 NTD
Availability: BackOrder

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The Lenz-Laborglas Test Tube with a round bottom and NS socket is designed for high-precision laboratory applications. It features a durable borosilicate glass construction and an NS 14/23 joint that ensures secure and leak-proof connections. This 13mL test tube is perfect for conducting chemical reactions, sample preparation, or any laboratory task requiring accurate measurements and dependable performance.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Volume: 13 mL</li>
 <li>Joint Type: NS 14/23 for secure connection</li>
 <li>Material: Borosilicate glass for durability and resistance to thermal shock</li>
 <li>Design: Round bottom ideal for uniform heating and mixing</li>
 <li>Application: Suitable for laboratory analysis and chemical processes</li>
</ul>

Perfect for use in laboratories requiring precise measurements and reliable performance during chemical experiments.

Shop Lenz-Laborglas 13mL Test Tube with Round Bottom and NS 14/23 Socket. Ideal for laboratory chemical processes and reactions.

Lenz-Laborglas Test Tube with Round Bottom and NS Socket (NS 14/23, Volume 13mL)

Lenz-Laborglas  & Co. KG Test Tube with Round Bottom and NS Socket (NS 14/23, Volume 13mL)



Test Tubes, Round Bottom with NS, Socket NS 14/23

The Lenz-Laborglas round-bottom test tube with NS 14/23 socket is constructed from high-quality DURAN® tubing, offering outstanding thermal and chemical resilience. With dimensions Ø 16 mm × 125 mm, and supplied with a PE (polyethylene) stopper, this tube is well-suited for laboratory use in reactions, heating, distillation, and sealed sample handling.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom — ideal for uniform heating and efficient mixing</li>
 <li>Socket Size: NS 14/23 ground joint for compatibility with other standard lab glassware</li>
 <li>Dimensions: Ø 16 mm × 125 mm length</li>
 <li>Material: DURAN® tubing – premium borosilicate glass for durability and chemical resistance</li>
 <li>Closure: PE (polyethylene) stopper included for secure sealing</li>
 <li>Application: Suitable for laboratory heating, chemical reactions, sample preparation, and glass-joint systems</li>
</ul>

The Lenz-Laborglas NS 14/23 test tube offers reliable precision glassware with premium materials and secure closure — making it a dependable choice for research, educational, and industrial labs.

Lenz-Laborglas Round Bottom Test Tubes with NS 14/23 socket—ideal for chemical reactions and sample storage in laboratory environments.


Lenz-Laborglas Round Bottom Test Tube NS 14/23, Ø 16 mm × 125 mm, DURAN® Tubing, PE Stopper

The Lenz-Laborglas round bottom test tube with NS 19/26 socket (Ø 22 mm × 150 mm) is made from high-quality borosilicate glass, featuring a PE stopper for secure closure. This design ensures safe containment during heating, mixing, and reaction procedures in laboratory environments.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for uniform heating and easy cleaning</li>
 <li>Socket Size: NS 19/26 ground joint for compatibility with standard laboratory glassware</li>
 <li>Dimensions: Ø 22 mm × 150 mm length</li>
 <li>Material Closure: PE (polyethylene) stopper for tight sealing</li>
 <li>Material Tube: High-quality borosilicate glass with excellent chemical and heat resistance</li>
 <li>Application: Suitable for distillation, reaction studies, heating, and sample preparation</li>
</ul>

The Lenz-Laborglas NS 19/26 test tube combines precision and reliability, making it an essential addition for research, analytical, and industrial laboratory operations.

Lenz-Laborglas round bottom test tube NS 19/26 Ø 22 mm × 150 mm with PE stopper—durable borosilicate glass for reliable lab applications.

Lenz-Laborglas Round Bottom Test Tube NS 19/26, Ø 22 mm × 150 mm, PE Stopper

Test Tubes, Round Bottom with NS, Socket NS 19/26

The Lenz-Laborglas round bottom test tube with NS 14/23 socket (Ø 18 mm × 180 mm) is constructed from premium DURAN® borosilicate glass, offering excellent thermal and chemical resistance. Supplied with a polyethylene (PE) stopper, this test tube is ideal for laboratory workflows requiring reliable sealing—such as heating, mixing, and reaction applications.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for uniform heating and effective mixing</li>
 <li>Socket Size: NS 14/23 ground joint for secure compatibility with standard glassware</li>
 <li>Dimensions: Ø 18 mm × 180 mm length</li>
 <li>Material: DURAN® tubing – high-performance borosilicate glass known for durability and chemical resistance</li>
 <li>Closure: PE (polyethylene) stopper included for tight and safe sealing</li>
 <li>Application: Suitable for heating, distillation, chemical reactions, and general laboratory glassware use</li>
</ul>

The Lenz-Laborglas NS 14/23 test tube delivers precision craftsmanship, durable materials, and a reliable sealing solution—making it a dependable choice for research, analytical, and educational laboratory environments.

Discover the Lenz-Laborglas 11 mL round bottom test tube, featuring a durable DURAN glass construction, NS 14/23 joint, and included PE stopper.

Lenz-Laborglas Round Bottom Test Tube NS 14/23 Ø 18 mm × 180 mm, DURAN® Tubing, PE Stopper

The Lenz-Laborglas round bottom test tube, with NS 24/29 socket and a PE stopper, is made of high-quality borosilicate glass and designed for demanding laboratory applications. With a Ø of 28 mm and length of 200 mm, this tube offers excellent performance for heating, mixing, and reaction work while providing a secure and precise joint connection and reliable sealing.

Key Features: 
<ul> 
 <li>Brand: Lenz-Laborglas</li> 
 <li>Shape: Round bottom for optimal uniform heating and mixing</li> 
 <li>Socket Size: NS 24/29 ground-joint interface for compatibility with glassware systems</li> 
 <li>Dimensions: Ø 28 mm × 200 mm length</li> 
 <li>Closure: PE (polyethylene) stopper, providing a secure seal</li> 
 <li>Material: Borosilicate glass for high thermal and chemical resistance</li> 
 <li>Application: Ideal for chemical reactions, distillation, sample preparation, and general laboratory glassware use</li> 
</ul> 

The Lenz-Laborglas NS 24/29 test tube combines robust construction, precise glassforming, and reliable sealing—making it an essential component for laboratory workflows.

Lenz-Laborglas round bottom test tubes with NS 24/29 socket—ideal for sample analysis, distillation, and laboratory experiments.


Lenz-Laborglas Round Bottom Test Tube NS 24/29, Ø 28 mm × 200 mm with PE Stopper

Test Tubes, Round Bottom with NS, Socket NS 24/29

The Lenz-Laborglas Test Tube 150/18, NS 14/23 Not Graduated, with Round Bottom and Poly-Stopper is a high-quality lab essential designed for various laboratory applications. Made from durable borosilicate glass, this test tube provides superior resistance to thermal and chemical stress. The round bottom offers enhanced stability during experiments, while the Poly-Stopper ensures secure sealing of samples. Ideal for use in sample collection, reactions, and other lab processes.

Key Features:

<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Size: 150/18</li>
 <li>Socket Type: NS 14/23 for compatibility with laboratory equipment</li>
 <li>Shape: Round bottom for improved stability</li>
 <li>Stopper: Poly-Stopper for secure sealing</li>
 <li>Graduation: Not graduated</li>
 <li>Material: Borosilicate glass for excellent thermal and chemical resistance</li>
 <li>Application: Suitable for sample collection, reactions, and general lab use</li>
</ul>

This Lenz-Laborglas test tube is a reliable choice for laboratories seeking durable and stable glassware for various applications.

Lenz-Laborglas test tube 150/18 with round bottom, NS 14/23 socket, and poly-stopper—ideal for lab use in sample collection and experiments.


Lenz-Laborglas Test Tube 150/18, NS 14/23 Not Graduated, with Round Bottom and Poly-Stopper


Test tube 150/18, NS 14/23 not graduated, with round bottom and Poly-Stopper

The Lenz-Laborglas round bottom test tube with NS 24/29 socket and a PE stopper is made from high-quality borosilicate glass, ensuring excellent thermal and chemical resistance. With a diameter of 28 mm and length of 150 mm, it's ideal for use in chemical reactions, sample preparation, and laboratory glassware applications.

Key Features:

<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Shape: Round bottom for even heating and mixing</li>
 <li>Socket Size: NS 24/29 ground joint for secure connections</li>
 <li>Dimensions: Ø 28 mm × 150 mm</li>
 <li>Closure: PE (polyethylene) stopper for reliable sealing</li>
 <li>Material: Borosilicate glass (DURAN® tubing) for durability</li>
 <li>Application: Suitable for lab use, heating, distillation, chemical reactions</li>
</ul>

The Lenz-Laborglas test tube combines precision craftsmanship with practical design and secure sealing, making it a dependable choice for laboratory glassware setups.

Lenz-Laborglas test tube with round bottom and NS 24/29 socket—perfect for chemical reactions and laboratory use.


Lenz-Laborglas Round Bottom Test Tube NS 24/29, Ø 28 mm × 150 mm, PE Stopper

Test Tubes, Round Bottom with NS, Socket NS 14/23_9190416

The Lenz-Laborglas Test Tube with a round bottom and NS socket is ideal for laboratory work requiring accuracy and durability. Made of borosilicate glass, this 12mL test tube is designed with an NS 14/23 socket for secure and leak-proof connections, making it perfect for conducting experiments, chemical reactions, and sample analysis.

Key Features:
<ul>
 <li>Brand: Lenz-Laborglas</li>
 <li>Volume: 12 mL</li>
 <li>Joint Type: NS 14/23 for a secure and leak-proof connection</li>
 <li>Material: Borosilicate glass for excellent resistance to thermal shock</li>
 <li>Design: Round bottom for even heating and mixing</li>
 <li>Application: Perfect for laboratory applications, chemical processes, and experiments</li>
</ul>

Reliable and durable, this test tube is suitable for a variety of laboratory uses, ensuring accurate results and dependable performance.

Shop Lenz-Laborglas 12mL Test Tube with Round Bottom and NS 14/23 Socket. Ideal for laboratory work and chemical experiments.

Lenz-Laborglas & Co. KG Test Tube with Round Bottom and NS Socket (NS 14/23, Volume 12mL)

NTD 433

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