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Precautions for the use of fluid heating and cooling systems
Time of Update: 2022-05-02
3. The cooling and heating circulation device of the reaction kettle of the fluid heating and refrigeration system adopts suitable instruments, and it is strictly forbidden to vibrate violently during installation .
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How to ensure the stable operation of the reactor heating and cooling device
Time of Update: 2022-05-02
The startup step of the heating and cooling device of the reactor is to first open other valves, pipelines, water pumps, etc.
2. When operating the heating and cooling device of the reactor, the valve must be opened first before it can be turned on.
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How to do the maintenance of biological microscope?
Time of Update: 2022-05-02
After the biological microscope is used, all parts should be wiped clean, the grid-connected objective lens should be turned into a figure-eight shape, then the lens barrel and the light collector should be lowered and fixed, and then the mirror surface of the reflector should be placed in a vertical position .
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What are the design requirements for the dead angle of purified water equipment?
Time of Update: 2022-05-02
When the standard is high, it can achieve zero dead angle, but such a design is not necessary in all places in the pipeline (except customer requirements), and it is mostly used at the point of use of the terminal .
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How to do fire prevention measures for laboratory high pressure reactor
Time of Update: 2022-05-02
If you enter the laboratory autoclave to work, you will also need to issue a "safety operation certificate in the equipment" to ensure that the person in charge of guardianship is well established .
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What are the operating specifications and use points of high pressure reactors?
Time of Update: 2022-05-02
What are the operating specifications and use points of high pressure reactors?
During the use of the high-pressure reactor, attention should be paid to the heating and cooling operations: 1.
5. Special attention should be paid to protecting the sealing surface during the cover removal process .
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An introduction to controlling the vacuum degree of the rotary evaporator
Time of Update: 2022-05-02
However, the vacuum value that the system can form is determined by the equipment pressure resistance of the rotary evaporator and the avoidance of bumping when ensuring the distillation efficiency .
The above is the relevant introduction on how to control the vacuum degree of rotary evaporation.
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How to deal with the dripping problem of the filling machine
Time of Update: 2022-05-02
If the filling nozzle is damaged, the filling machine will drip during operation .
Therefore, it is necessary to pay attention to its dripping problem, repair the problem in time, and then improve the service life of the filling machine, and the quality and quality of the produced products will also be improved .
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Advantages of automatic vial filling production line
Time of Update: 2022-05-02
⒈. The fully automatic vial filling production line can realize one-time filling, rolling (screwing) capping of liquid products in multi-specification special-shaped bottles on the same machine, and can be connected with a specially designed self-adhesive labeling machine for production .
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The solution to the startup failure of the compressor of the pharmaceutical heating and cooling system
Time of Update: 2022-05-02
1. If the compressor of the pharmaceutical heating and cooling system fails to start, first check whether the power supply is normal .
2. Check whether the various pressure gauges, thermometers, flow meters, solenoid valves, relays, and energy control valves of the pharmaceutical heating and cooling system are in good condition .
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The use points and maintenance instructions of stainless steel electric heating plate
Time of Update: 2022-05-02
The use points and maintenance instructions of stainless steel electric heating plate Stainless steel electric heating plate is an industrial panel, which is widely used for baking, drying and other temperature experiments of samples .
The above is the relevant content about the use points and maintenance instructions of stainless steel electric heating plate .
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What qualifies as effective cleaning of biological safety cabinets?
Time of Update: 2022-05-02
2. Then put 10% more ammonium bicarbonate than paraformaldehyde into another skillet (controlled outside the safety cabinet) .
Then unplug the power plug and open the safety cabinet twice for about 2 seconds each time to circulate the ammonium bicarbonate gas .
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Electric heating blast drying box purchase
Time of Update: 2022-05-02
1. Applicability ------- The drying device must be suitable for specific materials and meet the basic requirements for drying materials, including the ability to handle materials well (feeding, conveying, fluidization, dispersion, transmission, etc.
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Precautions for installation of pharmaceutical and chemical high and low temperature integrated machine
Time of Update: 2022-05-02
The chemical high and low temperature circulation system also has the function of heating and cooling, the temperature range is -120°C-200°C, and the cooling power can be customized according to customer needs.
The chemical high and low temperature circulation system refers to the large heating output power of the system.
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Nine points to note about distilled water dispensers
Time of Update: 2022-05-02
The distilled water device uses electricity to heat tap water to produce pure water .
5. The evaporation pot should be washed before use every day, and the stored water should be drained and replaced with fresh water to ensure the water quality .
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How to use a biological microscope
Time of Update: 2022-05-02
Then, open both eyes at the same time, observe with the left eye on the eyepiece, slowly turn the coarse adjuster clockwise with the left hand, and slowly lower the stage until a clear object appears in the field of vision .
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Do you know all these things about the water bath?
Time of Update: 2022-05-02
The water bath is mainly used for distillation, drying, concentration, and warm soaking of chemical or biological products in the laboratory.
(3) The water level of the water bath is higher than the stainless steel separator during use, otherwise the heating tube will be damaged .
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Eight things to pay attention to in cell cryopreservation
Time of Update: 2022-05-02
Cells can be stored frozen at -70°C for up to one year; cells are stored in liquid nitrogen at a temperature of -196°C, and the storage time is theoretically unlimited .
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What are the key points of using the electric heating jacket?
Time of Update: 2022-05-02
The newly bought electric heating mantle will emit white smoke and peculiar smell when it is used for the first time.
The above is the relevant introduction about the key points of the use of the electric heating plate.
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Would you buy an ultrapure water machine?
Time of Update: 2022-05-02
Fourth, the local water quality needs After considering the above three points, we will choose the specific model of ultrapure water machine according to our own local water quality .
