What is a fridge used for in a lab?

Laboratory fridges have been designed to store samples, specimens, vaccines and medicines at a very specific temperature range. They are used to cool samples or specimens for preservation. A laboratory fridge is used by healthcare facilities and professionals for the storage of medical or pharmaceutical supplies.

What is a scientific refrigerator?

Scientific refrigerators, also called pharmaceutical refrigerators or lab refrigerators, meet stringent requirements essential to protect contents from temperature fluctuations above or below those recommended by content manufacturers. Residential-type refrigerators do not make the grade.

What is the purpose of food refrigeration?

The fundamental reason for having a refrigerator is to keep food cold. Cold temperatures help food stay fresh longer. The basic idea behind refrigeration is to slow down the activity of bacte- ria (which all food contains) so that it takes longer for the bacteria to spoil the food.

Which items can be stored in the laboratory refrigerator?

Laboratory refrigerators are used to cool samples or specimens for preservation. They include refrigeration units for storing blood plasma and other blood products, as well as vaccines and other medical or pharmaceutical supplies.

What is the working principle of a refrigerator?

Refrigerators work by causing the refrigerant circulating inside them to change from a liquid into a gas. This process, called evaporation, cools the surrounding area and produces the desired effect. You can test this process for yourself by taking some alcohol and putting a drop or two on your skin.

What is the normal temperature of a laboratory refrigerator?

Undercounter Laboratory Refrigerator/Freezer The temperature range in the refrigerator compartment is from 2° to 7°C (36° to 45°F) and may be set to the desired temperature by the adjustable thermostatic control. The temperature range in the freezer compartment is from -15° to 1 °C (5° to 33°F).

What is used for refrigerator?

The ammonia is used in the refrigerator to cool the water. Ammonia is composed of one atom of nitrogen and three atoms of hydrogen. Sulfur dioxide and non-halogenated hydrocarbons are some of the common refrigerants used.

What is refrigerator in microbiology?

Refrigerators are designed for storage application in microbiology, chemical, pharmaceutical and research institutions. Ensures uniform temperature throughout the chambers by forced air circulation system. Refrigerators that offers value and protection to keep your sample safe.

How do you maintain a lab refrigerator?

The 7 Preventative Maintenance Tips for Laboratory Refrigerator: The Ultimate Checklist

1. Pay attention to the alarms.
2. Store all materials appropriately.
3. Keep the door gaskets clean.
4. Remove ice or frost build-up regularly.
5. Taking care of the coils.
6. Clean as you go.
7. Lengthen the life of your unit.

What can damage a refrigerator?

6 Habits That Can Cause Refrigerator Damage

• Overstocking/Understocking Causing Refrigerator Damage.
• Forgetting to Clean the Coils.
• Storing Leftovers Improperly.
• Placing Your Fridge Too Close to the Wall.
• Leaving the Door Open Too Long.
• Not Checking the Drainage Hole.

Why should we not eat junk food?

Eating junk food on a regular basis can lead to an increased risk of obesity and chronic diseases like cardiovascular disease, type 2 diabetes, non-alcoholic fatty liver disease and some cancers. 41% of children’s daily energy intake (kilojoules) comes from junk food.

What are the requirements of food refrigeration?

The most basic rule must be always followed: store raw products below, never above, your cooked or ready-to-eat products. Keep foods 4°C (39°F) or colder, the safe temperature for refrigerated storage. Refrigerated Products

• Monitor the temperature of the refrigerator daily.
• Keep refrigerators in good working order.

What is special about a flammables fridge?

Explosion-safe or laboratory-safe refrigerators/freezers must be used. Flammable storage refrigerators may incorporate design features such as thresholds, self-closing doors, magnetic door gaskets, and special inner shell materials that control or limit the damage if a reaction occurred within the storage compartment.

What is an explosion proof refrigerator?

Explosion-proof refrigerators are designed to prevent ignition of flammable vapors or gases that may be present outside the refrigerator. This type of refrigerator must be used in locations such as solvent dispensing rooms, where a flammable atmosphere may develop at some time in the room.

How do you store chemicals in the laboratory?

To store chemicals safely, DO the following;

1. Label all chemical containers fully.
2. Provide a specific storage space for each chemical, and ensure return after each use.
3. Store volatile toxics and odoriferous chemicals in ventilated cabinets.
4. Store flammable liquids in approved flammable liquid storage cabinets.