BPCL-CLA15 Ultra-High Sensitivity Material Oxidation Analyzer Introduction: The BPCL CLA15 ultra-high sensitivity material oxidation analyzer utilizes a high-sensitivity photomultiplier tube as the core detection component, combined with BPCL pulse photon amplification technology, to accurately capture and detect weak chemiluminescence signals at the photon level. The instrument is equipped with a gas-tight in-situ high-temperature sample chamber, supporting real-time testing under material heating conditions while accommodating the need for rapid sample replacement. With a built-in air pump and flow control system, it can flexibly switch between different carrier gases to create diverse testing atmospheres, enabling online in-situ characterization and dynamic analysis of the entire material oxidation process. Measurement principle The instrument captures the weak chemiluminescence (CL) signals generated during the thermal decomposition of peroxides containing two or more oxygen atoms in materials through a high-sensitivity weak photon detection system. By recording the kinetic curve of luminescence intensity over time and analyzing key parameters such as luminescence peak and intensity characteristics, the degree of material degradation caused by oxidation reactions can be quantitatively characterized. This enables the study of material oxidation and degradation behavior, as well as the evaluation of antioxidant additives and other related tests and analyses. Instrument application Analysis objects: plastics, coatings, rubbers, resins, adhesives, food, oils, pharmaceuticals, etc Test items: determination of oxidative degradation of polymers, evaluation of antioxidant capacity, assessment of oxidation induction time, and study of material oxidation and degradation behavior Technical parameters: In-situ high-temperature chamber: Temperature control range: room temperature to 400℃; temperature control accuracy: ≤±2% (within the full range) Temperature feedback: It can collect and provide real-time feedback on the sample temperature during the reaction process, simultaneously displaying a dynamic curve of temperature variation over time, facilitating intuitive monitoring of the stability of reaction temperature Temperature control mode: Supports dual-mode switching between constant temperature mode and gradient heating mode, allowing flexible settings according to testing needs, meeting the testing requirements of different oxidation reaction conditions Heating rate: The fastest heating time from room temperature to 250℃ is 180 seconds Light window diameter: 45mm, made of quartz material, ensuring efficient penetration of chemiluminescence signals and enhancing detection sensitivity Sample tray material: Copper and aluminum are two optional materials, adapting to the heating needs of different types of samples, combining thermal conductivity and practicality Sample tray specifications: The diameter can be selected from 44mm and 40mm, allowing flexible selection based on sample usage and adapting to various sample shapes Pipe connector: Φ3mm quick-release connector is adopted, featuring convenient connection, strong sealing, and facilitating rapid disassembly and maintenance of carrier gas pipelines Sample replacement: With a stainless steel spring latch design, the chamber lid can be quickly opened without the need for any tools, enabling rapid sample replacement and enhancing testing efficiency Air tightness: High-temperature resistant fluororubber is used as the sealing material, providing excellent sealing performance. It can effectively ensure the stability of the testing atmosphere within the chamber and avoid external interference with the test results Measuring atmosphere Carrier gas flow rate range: 50~1000 mL/min, with a wide measurement range, allowing flexible adjustment of flow rate according to different sample oxidation testing requirements Flow control: Utilizing a high-precision gas mass controller, it supports one-click flow rate setting through software, ensuring precise control and stable flow rate. It can be connected to a powered gas source (such as cylinder gas) and is adaptable to different gas supply scenarios Gas power: Equipped with a dedicated air pump, it can achieve automatic start-stop and operation control through software. At the same time, it can be connected to a non-powered gas source (such as air, air bag), accommodating various gas source usage needs Gas path switching: A three-way solenoid valve is used to control gas path switching, enabling rapid switching between different carrier gases to meet diverse testing atmosphere requirements Pipeline interface: Φ3mm PTFE pipe interface is adopted. PTFE material is resistant to high temperatures and corrosion, compatible with various carrier gases, and has excellent sealing performance, avoiding gas path leakage that affects test accuracy Faint photon detection system Detector: Utilizing a down-illuminated photomultiplier tube for photon pulse measurement, it boasts a sensitive response and can precisely capture weak chemiluminescence signals at the photon level Detection lower limit: For a weak light source of 10⁻¹³ watts, it can stably output 10,000 to 20,000 counts per second Long-term stability of the instrument: Tested with a standard light source, the relative standard deviation (RSD) is ≤1.5%, indicating excellent stability and ensuring the repeatability and reliability of test results Wavelength range: 300-650 nm, covering the main wavelength range of chemiluminescence signals, suitable for detecting luminescence signals generated during the oxidation process of different samples Counting analysis range: Covering five orders of magnitude, with a wide range span, it can be adapted to the detection and analysis of luminescence signals of different intensities Sampling interval: 0.01~10000 ms, supports arbitrary setting by software, can flexibly adjust the sampling frequency according to test requirements, and accurately capture the dynamic changes of luminescence signals Filter measurement method: The drawer-type filter replacement method is adopted, which is convenient to operate and quick to replace, without the need to disassemble instrument components Filter: Equipped with a bandpass filter, with a diameter of 58mm Analysis system Communication mode: USB, with a maximum communication rate of 480Mbit/s, and plug-and-play functionality. Software Interface: The operation interface is simple and intuitive. Core testing parameters such as high-voltage output, signal acquisition rate, atmosphere selection, carrier gas flow rate, and temperature control mode can be set with one click through the software, making operation convenient. It features an automatic background count subtraction function and supports automatic switching of acquisition count rate range. It displays the luminescence kinetic signal curve in real time, synchronously showing key data such as acquisition time, count rate, and total count, facilitating real-time monitoring of the testing process Raw data: Optional formats include EXCEL and TXT, with automatic or manual saving options. Analysis platform: Supports multiple forms of data visualization display, allowing for switching between point plots, line charts, and curve charts. It supports coordinate zooming in, zooming out, and panning operations, facilitating precise observation of data details. Additionally, it boasts a wealth of data analysis functions, including curve overlay, curve smoothing, curve fitting (including exponential, logarithmic, polynomial, and other types), Gaussian function fitting (Gaussian), Lorentz function fitting (Lorentz), Fourier transform, manual peak search, manual integration, etc. It enables in-depth analysis of test data and supports the regeneration and saving of new raw data, meeting diverse data analysis needs. other Specification: Length × Depth × Height 39 × 37 × 32, Weight: Approximately 15Kg Power supply: Voltage 220V, power 250W Operating temperature: 5-25℃
BPCL-CLA15 Ultra-High Sensitivity Material Oxidation Analyzer Introduction: The BPCL CLA15 ultra-high sensitivity material oxidation analyzer utilizes a high-sensitivity photomultiplier tube as the core detection component, combined with BPCL pulse photon amplification technology, to accurately capture and detect weak chemiluminescence signals at the photon level. The instrument is equipped with a gas-tight in-situ high-temperature sample chamber, supporting real-time testing under material heating conditions while accommodating the need for rapid sample replacement. With a built-in air pump and flow control system, it can flexibly switch between different carrier gases to create diverse testing atmospheres, enabling online in-situ characterization and dynamic analysis of the entire material oxidation process.
