What is a laboratory centrifuge? It is an apparatus of laboratory, a piece of equipment used to distance the components of a substance, from plants, from blood. Used in research scientific, in the food industry, in clinical laboratories.
🌪 What is a laboratory centrifuge?
It is an apparatus that allows the generation of rotational movements in order to achieve the separation of the components of a solution. It is considered a technique that is used in clinical studies to get red, white blood cells, platelets.
In the production of oils, in cosmetology and in the food industry. Used as a process for the sedimentation of the constituents of a substance in liquids and solids. Currently there are various devices with different purposes independent of the type of research to be carried out.
Which have different speeds there are soft, intermediate and strong intensity. The rotor revolutions range from 2000 rpm up to 75000 rpm. Depending on the type of centrifuge will be its rotor, characteristic, its function and the sample holders. As for the device as such, it consists of a lid that prevents access when it is in operation.
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A chamber that is where the rotor is activated, performing the centrifugation process. The power switch, which is the one that controls the power supply. It also has a time marker to manage the centrifugation time. A tachometer, which shows the speed of rotations of the rotor.
The brake, which is the one that allows to regulate the stopping of the equipment. A speed control, which regulates the speeds. Likewise, a centrifuge is a machine that forces the sample to be separated by rotation. The acceleration to produce the decantation of the components in phases according to their densities.
🌪What is a laboratory centrifuge for?
What is a laboratory centrifuge? Apart from knowing about the device it is necessary to have the idea of what it is for because the choice of the type of device to use depends on it. Then, it separates the constituents in the mixture, substance that serves in the blood, urine, hematocrit examination, to distance seed oils such as olive.
Using it in the manufacture of food with fine pulps of citrus fruits. In the same way it serves in the suspension, quantification of the amount of fats in dairy products. It also serves to exclude particles in homogeneous samples, the breakdown in the blood serum.
The separation of uranium 235 from 238. For the determination of the blood factor.
🌪How does a laboratory centrifuge work?
What is a laboratory centrifuge? It is he who performs the sedimentation in an accelerated way because he drives the acceleration of gravity to be transformed into acceleration of the centrifuge. The sedimentation is carried out quickly, allowing the separation of the components beyond the decantation itself.
It is regulated by Stokes' law, which acts on the particles moving them away in order that those with a larger diameter are better concentrated. Compared with lower density fluid weight. Centrifugation is faster since its achieved acceleration is greater.
Allowing to separate the constituents that are not separated by sedimentation. The moving away occurs inside the sample holders inserted into the rotating drum. Whose rotation is at high speeds product of an electric motor increasing the force of gravity.
It causes the components to adhere to the walls of the tube inside. Meanwhile the liquid forms an inner ring. Clarified while the other substances will settle to the bottom according to the resting form of the equipment. They will then be evacuated.
🌪How to use a laboratory centrifuge?
For the use of the device, certain indications or recommendations based on the “Probien” standards must be taken into account. Which is a guide to ensure the care, the safety of both the equipment and the environment, the health of all people who work in the laboratory.
Inside which are reflected that the loading of it must be done correctly. Make sure that the lid is tightly closed by setting the speed and time of centrifugation. Press the power button to start the instrument, monitor the operation of the device in case of an eventuality.
In addition, it must be taken into account that the conditions of the device are met which are. Keeping the equipment closed during use, waiting for it to stop to open the lid and remove the samples. That it is supported on a level, flat and smooth surface.
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Its location should be in low-traffic places, which does not hinder the emergency exit. Persons before handling the device, must be instructed in its operation. Do not use damaged tubes inside the centrifuge. Keep the appliance clean of dust and substances, do the toilet when it is disconnected from the electric power.
Always carry out the activity with gloves, protective glasses for placement, removal of the samples. Verify that the sample holder caps are replaced periodically. Wear a lab coat, closed shoes and cutlery. You should also make sure that there are no objects inside the equipment, load it complying with the normal load balance.
🌪How to calibrate a laboratory centrifuge?
In many places where studies are carried out, it is necessary to act rigidly in compliance with the techniques used in the performance of the centrifuge. Graduation is part of that necessary protocol. The periodic calibration of a centrifuge depends on the frequency, wear time by use of the device.
In this sense the equipment failure will affect the analysis has to be corrected. Ensuring that its use corresponds to what is foreseen. In the assessment uses a device to determine the speed of rotation called a tachometer. In addition, the instrument must make contact with the moving object.
It uses a luminosity as a guide focused on the marked rotating motor. Which emits perceptible signals inside the measuring device, which informs about the acceleration in the centrifuge. The overhaul is carried out in the same place where the appliance is located.
Through the built-in window that has the lid of the device. In the same line, different measurements should be carried out comparing the uncertainty of each one.
🌪How to make a homemade laboratory centrifuge?
What is a laboratory centrifuge? It can be an instrument made in a simple, simple and practical way. Which fulfills the same functions already detailed with materials that are available to us. Having in our possession a hand blender with two blades.
A piece of PVC plastic pipe the diameter of the mixer blade plus adhesive tape as insulation. The procedure consists of removing one of the paddles from the mixer, leaving only one. Cut the piece of the plastic tube of the size adapted to the amount of liquid to be centrifuged.
Proceed to seal one end of the tube and make an insulating lid for the mouth where the lever that remains for the mixer will be inserted. Then fill the tube with the sample to be separated, adjust the lid and attach the fastener tape. Turn on the appliance where the shovel will rotate.
Attached the tube for the time necessary for sample distancing.
What is a laboratory centrifuge? It is the answer to the need to separate the components of the substance. A genius invention for solving health problems in humanity.
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