A quartz branch tube reactor is a specialized reactor crafted from quartz glass, renowned for its exceptional chemical stability, high mechanical strength, and excellent optical transparency. This type of reactor is designed to facilitate chemical reactions under demanding conditions, such as high temperatures and pressures. Quartz glass is primarily composed of silicon dioxide (SiO2), which provides inherent resistance to corrosion from various strong acids, strong bases, and organic solvents. These reactors find extensive use in diverse fields like chemical analysis, biological research, and environmental monitoring. In chemical analysis, the quartz branch tube reactor acts as a highly sensitive and precise reaction vessel or detection unit, ensuring reliable and repeatable results. In biological research, it is essential for applications like PCR amplification and nucleic acid electrophoresis. For environmental monitoring, it is used to analyze pollutants in air, water, and soil samples. Key advantages include high thermal stability, superior chemical inertness, excellent optical properties (particularly in UV and IR ranges), and robust mechanical strength. However, quartz’s inherent lack of ductility and its fragile nature need to be considered during handling and operation.
속성 콘텐츠 | 속성 값 |
---|---|
SiO2 | 99.99% |
밀도 | 2.2×10³ kg/cm³ |
경도 | 5.5 - 6.5 모스 스케일 570 KHN 100 |
인장 강도 | 4.8×10⁷ Pa(N/mm2)(7000psi) |
압축 강도 | >1.1×10⁹ Pa(160,000psi) 이상 |
열팽창 계수 | 5.5×10-⁷ cm/cm-°C(20°C-320°C) |
열 전도성 | 1.4W/m-°C |
비열 | 670 J/kg-°C |
연화 포인트 | 1730°C(3146°F) |
어닐링 포인트 | 1210°C(2210°F) |
스트레인 포인트 | 1120°C(2048°F) |
작업 온도 | 1200°C(2192°F) |
전기 저항 | 7×10⁷ 옴 cm(350°C) |
크기 | 사용자 지정 |
로고 | 맞춤형 로고 수락 |
Exceptional Chemical Stability
Primarily composed of silicon dioxide (SiO2), quartz glass offers outstanding resistance to corrosion from a wide array of strong acids, strong bases, and organic solvents. This makes the reactors ideally suited for diverse chemical reaction environments.
Superior Optical Properties
Quartz glass exhibits excellent optical transparency, making these reactors perfect for experiments requiring light transmission or spectroscopic analysis. Examples include photochemical reactions and spectral detection where high-quality light interaction is crucial.
High Thermal Resistance
The inherent thermal stability of quartz glass allows these reactors to withstand high temperatures, thus making them suitable for demanding chemical reactions requiring high-temperature conditions like high-temperature synthesis or pyrolysis.
Robust Mechanical Strength
Quartz glass provides significant mechanical strength, ensuring stability under high-pressure conditions and making these reactors reliable for high-pressure reaction environments.
애플리케이션 시나리오
Analytical Chemistry
In analytical chemistry, these reactors are frequently employed as reaction vessels or detection units in techniques like gas chromatography (GC), high-performance liquid chromatography (HPLC), and atomic fluorescence spectroscopy (AFS). They offer high sensitivity, precision, and excellent repeatability for reliable quantitative analysis.
Biotechnology and Life Sciences
In biotechnology and life sciences, quartz branch tube reactors are utilized in experiments such as PCR amplification, nucleic acid electrophoresis, and cell culture. Their ability to withstand high temperatures and pressures, combined with their excellent optical transparency, allows for real-time monitoring of amplification products and cellular processes.
The typical operating temperature range for a quartz branch tube reactor is between -50°C and 1200°C. However, the precise temperature limit is contingent on the purity of the quartz glass and the specific manufacturing processes employed. High-purity quartz glass provides enhanced thermal stability, maintaining its integrity at elevated temperatures. Therefore, it is crucial to select the appropriate quartz glass grade based on your experiment’s temperature requirements and to operate the reactor within its safe operating range to prevent potential material failure or compromised performance due to excessive heat.
Proper cleaning and maintenance of a quartz branch tube reactor are essential for ensuring its optimal performance and longevity. Initially, inspect the reactor for any signs of cracks or damage prior to use. After each use, promptly clean the reactor’s interior with deionized water or a suitable solvent to prevent the build-up of residues and potential corrosion. For persistent stains or difficult to remove deposits, consider using an ultrasonic cleaner or specialized cleaning solutions. Regular inspection of the reactor’s seals and connectors is necessary to ensure they remain intact and leak-free. During storage, keep the reactor in a dry, cool, dust-free environment, shielded from direct sunlight and potential mechanical damage.
When using a quartz branch tube reactor, it is crucial to adhere to the following safety measures: Firstly, always wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and a lab coat, to protect against exposure to chemical reagents or high temperatures. Secondly, when operating under high-temperature and high-pressure conditions, verify that the reactor’s seals are tight to prevent explosions from overpressure. Additionally, strictly follow established experimental operating procedures, and avoid any sharp vibrations or impacts to prevent breakage of the reactor. Finally, take special care when handling corrosive reagents such as strong acids and strong bases, verifying the reactor’s compatibility and material resistance to chemical corrosion to avoid damage.
자주 묻는 질문
석영 유리는 우수한 물리적 및 화학적 특성, 매우 높은 기계적 경도, 우수한 전기 절연성, 고온 및 내식성, 낮고 안정적인 지연 성능, 우수한 빛 투과율 등을 갖춘 단단하고 부서지기 쉬운 소재입니다. 반도체, 광학, 전기, 화학, 항공우주, 자동차 및 기타 분야에서 널리 사용됩니다. 단단하고 부서지기 쉬운 재료는 가공이 어렵고 많은 분야에서 가장자리 붕괴가 적고 재료 손실이 적으며 단면 거칠기가 낮고 절단 두께 범위가 넓은 절단 공정이 절실히 필요합니다. 석영 유리의 전통적인 절단 방법은 기계식 절단, 즉 휠 절단입니다. 비 전통적인 절단 방법에는 워터젯 절단, 전기 화학 방전 와이어 절단, 연속 레이저 절단 등이 포함됩니다. 기계식 절단은 비용이 저렴하지만 휠과 재료 사이의 접촉으로 인해 공구 마모가 크고 재료가 공구에 의해 쉽게 오염됩니다. 석영 유리는 가장자리 붕괴, 미세 균열 및 잔류 응력이 발생하기 쉬우므로 재료의 강도와 성능에 영향을 미칩니다! 곡선 절단이 어렵고 연마 및 연마와 같은 후처리가 필요합니다. 레이저 절단은 재료에 직접 접촉하지 않고 접촉 응력이 없으며 복잡한 곡선 절단을 수행할 수 있습니다. 피코초 레이저는 작은 스폿 직경, 고정밀, 재료와의 짧은 작용 시간, 작은 작용 면적의 장점을 가지고 있으며 단단하고 부서지기 쉬운 재료의 가공에 적합합니다.
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