Nitrogen-protected Oven

Nitrogen-protected ovens work by injecting inert nitrogen gas to displace the air inside the chamber, isolating oxygen during the heating process to prevent material oxidation or combustion. They are used for drying, curing, or heat treatment of oxygen-sensitive samples, such as easily oxidized materials, solvent-based coatings, and chemical reagents.
Selection
When selecting, focus on the temperature range and uniformity, nitrogen purity requirements, and sealing performance indicators. Determine the temperature control accuracy and gas exchange rate based on the material characteristics. Consider the corrosion resistance of the inner chamber material, safety and explosion-proof configurations, and the convenience of daily maintenance.

Terms

Standards

Instruments

Adopt automatic nitrogen measurement distillation system, nitrogen measurement range 0.1-200 mgN, collection rate ≥ 99%, repeability rate < +/- 1% relative to Standard Deviation, semi-automatic working mode, distillation time 5-15 minutes, suitable for a variety of sample analysis.

$ 493.00

Contains 1 pack of total nitrogen base Reagent, 1 pack of potassium persulfate powder, 25 packs of anti-interference agent and 25 packs of acid Reagent, suitable for DGB-401 instrument, providing complete detection components.

$ 164.00

Using LED @575nm Illuminant and Nessler Measuring method, Measurement range 0.00-3 ppm, accuracy +/- 0.03ppm, suitable for low concentration ammonia nitrogen rapid detection, easy and economical operation.

$ 209.00

Measurement range pN value of 0.00~ 8.00, ammonia nitrogen concentration of 0.05~ 1000mg/L, with automatic mixing and thermostatic system, anti-sample Color, metal ions and turbidity interference, support a variety of reading methods.

$ 1806.00

Measurement range 0.000~ 4.000mg/L, including Noll Reagent and potassium sodium tartrate solution, suitable for rapid detection of ammonia nitrogen in water quality, supporting special instruments.

$ 164.00

Double needle automatic switching angle to improve condensing efficiency, support 1-8 bit Sample Handling, temperature control accuracy of +/- 0.5 ℃, with independent nitrogen channel and overheating protection to ensure safe and stable operation.

$ 7496.00

Using purge and trap technology, the temperature control accuracy can reach +/- 0.5 ℃, 12 samples can be processed simultaneously, and the nitrogen consumption can be adjusted at 330ml/min/sample to achieve rapid anaerobic condensation.

$ 430.00

Purge and trap technology implementation of rapid oxygen-free condensing, temperature control accuracy of +/- 0.5 ℃, support 36 samples at the same time, nitrogen consumption can be adjusted to 330ml/min/sample, digital temperature control to ensure accurate and reliable operation.

$ 719.00

Colorimetric measurement based on Nasler method, Measurement range 0.00-10 mg/L, providing 100 tests, accurate determination of ammonia nitrogen concentration by Color intensity change.

$ 212.00

Colorimetric digestion integrated tube operation, no liquid transfer; water samples for more than 10 measurements to take the average value; ammonia nitrogen detection limit of 0.01mg/L, measurement error ≤ +/- 5%, data storage 30,000.

$ 1493.00

Using Dynamic Low Temperature Nitrogen Adsorption Method and High Sensitivity Sensor, the test range from 0.0005m ²/g has no upper limit, the repeatability error ≤ +/- 3%, and the single sample test is completed in about 3 minutes.

$ 7980.00

Using industrial grade Sensor to detect nitrogen dioxide gas, range 0~ 20ppm, resolution 0.1ppm, Response Time T90 < 60s, with waterproof, dustproof and explosion-proof characteristics, small and durable.

$ 248.00

Colorimetric integrated tube design is adopted, sample digestion and detection share a tube, no need to transfer liquid; support more than 10 measurements and automatically remove abnormal values to average, error ≤ +/- 5%; can expand the detection of COD, ammonia nitrogen and other paraMeters.

$ 3268.00

Purge and trap technology implementation of rapid oxygen-free condensing, temperature control accuracy of +/- 0.5 ℃, nitrogen consumption of 330ml/min/sample can be adjusted, support room temperature to 100 ℃ accurate temperature control.

$ 622.00

Optical inspection system using imported cold Illuminant and narrow band interference, Optical inspection stability is less than 0.002A/20min, digestion temperature accuracy +/- 0.5 ℃, support COD and ammonia nitrogen dual paraMeter measurement, can save multiple standard Linear dispersion and data.

$ 1548.00

Articles

Research on the Stepwise Curing Process of Coatings Using Multi-Stage Temperature Control Ovens
This article investigates a novel process for achieving stepwise curing of coatings using a multi-stage temperature-controlled oven.
Differential Scanning Calorimetry for Measuring the Melting Temperature of Thin Films
Differential scanning calorimetry analyzes thermal transitions in materials by measuring the heat flow difference between the sample and a reference. When determining the melting temperature of thin films, the sample must be uniformly prepared, with a mass between 3 and 10 milligrams. Testing is typically conducted at heating rates ranging from 5 to 20°C/min under a nitrogen protective atmosphere.
Evaluation of thermal aging life of hot melt adhesives using high-temperature oven method
This article introduces a method for evaluating the thermal aging life of hot melt adhesives using a high-temperature oven. The principle is based on the Arrhenius equation, where aging is accelerated by increasing the temperature to simulate performance changes under long-term use.
Thermogravimetric Analyzer for Determining the Solid Content of Coatings
Thermogravimetric analyzers determine the solid content of coatings by monitoring the change in sample mass with temperature, offering faster and more precise results compared to traditional oven methods.
What is the deviation between the moisture meter's rapid moisture measurement and the oven method?
This article primarily compares the differences between rapid moisture analyzers and traditional oven methods in measuring moisture. Understanding these differences helps in using rapid moisture analyzers more appropriately, ensuring data reliability while maintaining efficiency.
Key Technical Points for Determining Paper Moisture Using the 105℃ Oven Method
This article introduces the specific procedure for measuring paper moisture using the 105°C oven method. The process involves placing paper samples into a 105°C oven and drying them until their weight remains constant, then calculating the moisture content based on the weight difference before and after drying.
Oven combined with analytical balance for determination of solid content
This article introduces a method for determining the solid content of samples in the laboratory by combining an oven and an analytical balance.
Temperature gradient control in high-temperature ovens during thermal resistance testing.
The heat resistance test simulates the performance of materials under high temperatures using a high-temperature oven, and the accuracy of its results is highly dependent on the uniformity of temperature inside the oven. If the temperature gradient is poorly controlled, it can lead to uneven heating of samples from the same batch, compromising the validity of the test.
What are the differences between a vacuum oven and a conventional oven?
The main difference between a vacuum oven and a conventional oven lies in their working pressure. Conventional ovens operate at atmospheric pressure, heating through air convection, making them suitable for routine drying tasks. In contrast, vacuum ovens are evacuated to low pressure to reduce air presence, primarily relying on thermal radiation for heat transfer. This makes them ideal for processing heat-sensitive, oxidation-prone materials or those requiring thorough drying.
Natural Convection vs Forced Air Drying: What’s the Difference Between the Two "Schools" of Laboratory Ovens?
This article introduces two drying methods for laboratory ovens: natural convection and forced air drying. What are the differences between them?