Introduction to TVN Tube in Kjeldahl Apparatus
The TVN tube is one of the main components in the Kjeldahl distillation apparatus, used to transfer ammonia vapors from the digestion section to the absorbing solution. This tube is responsible for safely and completely guiding the vapors produced by the chemical reaction to the absorption flask, allowing the nitrogen measurement process to be performed with high accuracy. The tube’s performance directly affects the final test results, and any defect can lead to reduced accuracy or vapor loss.
Function of the TVN Tube in the Distillation Process
In the Kjeldahl method, the sample is first digested with chemicals under heat to produce ammonia. Then, this gas is transferred with the help of steam into the TVN tube and from there to the absorbing solution, such as boric acid. The TVN tube must be resistant to high temperatures, chemically non-reactive, and designed in a way that allows vapor to pass through without leakage or quality loss.
TVN Tube Manufactured by ASCO
The TVN tube manufactured by ASCO is one of the specialized products of Lotus Tajhiz Caspian Company, designed and produced based on technical expertise and international standards. This tube is made from high-quality borosilicate glass, which is resistant to heat and chemicals, and is fully suitable for continuous use in Kjeldahl distillation devices.
Technical Specifications of ASCO TVN Tube
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Made from borosilicate glass with high thermal resistance
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Precisely engineered design for efficient ammonia vapor transfer
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Non-reactive with common chemicals used in the Kjeldahl process
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Fully compatible with manual and semi-automatic Kjeldahl distillation devices
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Laboratory-grade production quality with safe packaging for transport and storage
Advantages of Using ASCO TVN Tube
Using the ASCO TVN tube allows laboratories to perform distillation processes with high accuracy and efficiency. The technical features of this product help reduce errors caused by vapor leakage, extend the equipment’s lifespan, and improve the quality of final results. Moreover, as a domestically produced product, it offers fast technical support and quick supply of replacement parts.
Why ASCO Brand is a Trusted Choice
ASCO, a subsidiary of Lotus Tajhiz Caspian Company, focuses on manufacturing high-quality laboratory equipment tailored to the precise needs of research, laboratory, and industrial centers. The production of the TVN tube utilizing modern technology and strict quality control is evidence of the brand’s commitment to high quality and performance in professional conditions.
Purchase of TVN Tube from Lotus Tajhiz Caspian Company
Lotus Tajhiz Caspian Company, as a manufacturer of specialized laboratory equipment, is the direct supplier of the TVN tube under the ASCO brand. To place an order, receive consultation, or get more information about product specifications, you can contact the company through the available communication channels.











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