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Recommendations For The Use Of Laboratory Centrifuges In Major Fields

Publish Time: 2023-08-25 Views: 31

Laboratory centrifuges are commonly used instruments that utilize centrifugal force generated by rotating heads to separate substances of different densities or particle sizes in suspensions or emulsions.

Laboratory Centrifuges are widely used in medical, cosmetic, dental hospitals, chemical, food, pharmaceutical, environmental protection, mining, teaching & researching and other fields.

The centrifuge parameters (such as rotational speed, single-tube capacity, time, temperature and other indicators) required for processing samples in different fields are different, it's important to select the appropriate centrifuge equipment based on the specific experimental requirements.


Medical Field:

The samples usually centrifuged in the medical field include: blood samples, urine samples, fecal samples, and so on;

① Centrifugation of blood samples: usually requires a rotational speed of around 3000 rpm for about 10 minutes.

② Urine sample centrifugation: Generally requires a speed of around 1800 rpm, time about 5 minutes.

③ Centrifugation of fecal samples: Typically requires a speed of around 1,000 rpm for about 10 minutes.

Cosmetics and Dental Clinics:

Cosmetology and dental hospitals usually need to separate PRP, PRF and CGF;

① PRP (Platelet-Rich Plasma): Typically performed at speeds ranging from 300 to 3500 rpm for around 5 minutes, often repeated multiple times.

② PRF (Platelet-Rich Fibrin): Typically performed at speeds ranging from 2000 to 3000 rpm for around 7 minutes,a single centrifugation;.

③ CGF (Concentrated Growth Factors): Involves multi-step variable speed centrifugation.

Biochemical Research:

①For precipitation and collection of cells, nuclei, cell membranes, etc.: Typically done using low-speed horizontal rotor centrifuges.

② Preparation and collection of microorganisms, cell fragments, large organelles, etc.: Often performed using high-speed centrifuges.

③ For the separation, purification, identification and analysis of mitochondria, microsomes, chromosomes, lysosomes, plasmids, large molecules of nucleic acids, macromolecules of proteins, etc.: Requires ultracentrifugation using ultracentrifuges.


Food Industry:

① Residue testing samples centrifugal processing: usually requires a speed of about 4000 rpm, centrifugation time of about 5 minutes;

② Extraction of starch from starch solution, cream or skim milk separation, crystallization from mother liquor, and purity enhancement: Utilizes low-speed or low-temperature centrifuges.

③ Separation of spores from milk: Typically performed using high-speed centrifuges.


Remember, the right centrifuge model should be selected based on the specific application, sample type, and experimental requirements in each field.

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