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1. Introduction
Hydrothermal synthesis reactor is a kind of closed vessel which can decompose insoluble substances. It can be used for sample pretreatment in atomic absorption spectrometry and plasma emission analysis, small dose synthesis reaction, and fast digestion of insoluble substances in the closed environment of high temperature and high pressure with strong acid or alkali in the tank.
The samples were pretreated in the chemical analysis methods of gas phase, liquid phase, plasma mass spectrometry, atomic absorption and atomic fluorescence.
It can be used in the determination of heavy metals such as lead, copper, cadmium, zinc, calcium, manganese, iron, mercury, etc. it can also be used as a high-temperature, high-pressure, corrosion-resistant and high-purity reaction vessel, as well as organic synthesis, hydrothermal synthesis, crystal growth or sample digestion and extraction.
In the sample pretreatment, heavy metals, agricultural residues, food, sludge, rare earth, aquatic products, organic matters, etc. are digested. It is widely used in the research and production of petrochemical, biomedical, material science, geological chemistry, environmental science, food science, commodity inspection and other departments.
2. Composition
The hydrothermal synthesis reactor is composed of lower spacer, stainless steel reactor body, inside lining (PTFE or PPL), inside lining cover, upper spacer, stainless steel reactor cover, secondary fastening bolt and fastening force bar.

3. Performance
The body is made of 304 high quality stainless steel, sealed by round tenon and groove, and fastened by manual screw. It has the characteristics of good sealing and high safety factor. The external surface is polished with stainless steel mirror, with high smoothness and beautiful appearance.
Material characteristics
High temperature resistance | PTFE: -200~+220℃ |
PPL: -200~+250℃ | |
Low temperature resistance | Low temperature resistance |
Corrosion resistance | Corrosion strong acid, alkali, aqua regia and various organic solvents. |
Insulation resistance | Dielectric properties are independent of temperature and frequency |
High lubrication | The lowest friction coefficient among solid materials |
Non-adhesion | Does not adhere to any substance Strong self-wetness: friction coefficient in solid materials is 0.04 |
Non-toxic | It is physiologically inert and can be implanted in the human body. It can be used in the atmosphere for a long time. |
Anti-pollution | The blank value of metal elements is low, the lead content is less than 10-11g/ml, and the uranium content is less than 10-12g/ml. |
Anti-leakage | Falling from a height of 1.2 meters above the ground, the bottle body does not break, the bottle cap does not fall off, and there is no damage and leakage. |
4. Technical parameter
Model | 15ml, 25ml, 50ml, 100ml, 150ml, 200ml, 500ml |
Pressure | -0.1~3MPa (can be customized) |
Temperature | 1. PTFE: -200~+220℃ (recommended temperture) 2. PPL: -200~+250℃ (recommended temperture) |
Heating and cooling rate | ≤5℃/min |
Material | 1. High quality 304 stainless steel reactor body 2. PTFE or PPL lining |





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