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advantages-of-oil-bath

Oil Bath Lab Equipment

Oil bath used in laboratory

Content
1. What is oil bath lab equipment?
    1.1 What is bath oil used for?
    1.2 Oil bath Benefits
    1.3 What do bath oils do
2. Oil bath vs water bath
3. Uses of oil bath lab equipment
    3.1 How do you use bath oil
    3.2 Notes on bath oil uses
4. How to buy oil bath lab equipment?

What is oil bath lab equipment?

bath-in-oil
Oil bath lab equipment is a type of heated bath used for laboratories. As one of the most common experimental devices for heating chemical reactions, oil bath is involved in those experiments in research laboratories that require heating temperatures up to 200 degrees Celsius. The oil bath for laboratory provides more uniform heat than other heaters.

What is bath oil used for?

Thermostatic oil bath is widely distillation, drying, concentration, and impregnation of chemicals or biological products. It is also an ideal and necessary tool for laboratory personnel in large and medium-sized colleges and universities, environmental protection, scientific research, health, epidemic prevention, petroleum, metallurgy, chemical industry, medical treatment, etc.

Oil bath Benefits

Advantages of oil bath

a. At a certain temperature, oil bath lab equipment can help to heat the liquid sample for full and effective stirring to achieve the purpose of mixing and full reaction.
b. If the experiment requires a strict temperature of the sample, the operator can place the stirrer directly inside the pan to stir the oil. In this way, the oil can be continuously stirred to ensure temperature uniformity in all parts of the pot, while improving the temperature control accuracy of the oil bath and the fluctuation of the oil temperature.

What do bath oils do

bath-of-oil
Oil bath uses oil as the heat bath substance. Commonly used oils for bath include soybean oil, cottonseed oil, glycerol, silicone oil, etc.

A. Heating bath oil -- glycerol

Glycerol is a colorless, odorless, sweet-tasting, clear, viscous liquid. It absorbs moisture from the air and also absorbs hydrogen sulfide, hydrogen cyanide, sulfur dioxide, benzene, chloroform, tetrahydrocarbon, carbon disulfide, petroleum ether, and oils. Glycerol is an important component of the triglyceride molecule. When dietary fats are consumed, the triglycerides are metabolized in the body to form glycerol and stored in fat cells. Therefore, the final products of triglyceride metabolism are glycerol and fatty acids.
Operating Precautions about glycerol
a. Operate in a closed area and pay attention to indoor ventilation.
b. Operators must be specially trained and strictly follow the operating procedures.
c. Operators should wear self-absorbing filtered gas masks (half incense), chemical safety glasses, toxic permeation-resistant work clothes, and rubber gloves.
d. Keep away from fire and heat sources.
e. Smoking is strictly prohibited in the workplace.
f. Use explosion-proof ventilation systems and equipment. Prevent vapors from escaping into the workplace air.
g. Avoid contact with oxidizers and acids.
h. When carrying, it should be lightly loaded and unloaded to prevent damage to packaging and containers.
i. Equip with the appropriate type and quantity of fire-fighting equipment and spill response and emergency treatment equipment.
j. Empty the container to avoid residual harmful substances.
k. Store in a cool, ventilated room.
l. Store separately from oxidizers and acids, and do not mix them.
m. The storage area should be equipped with spill response equipment and suitable containment materials.
Safety Risks
a. Glycerol can explode if mixed with strong oxidizing agents, such as chromium trioxide, potassium chlorate, potassium permanganate, etc. In dilute solutions, the reaction rate is low and multiple oxidation products are produced. Glycerol turns black when exposed to light or in contact with alkaline bismuth nitrate or zinc oxide.
b. If iron contaminants are mixed with glycerol, it will turn black. Glycerol forms a boric acid compound (glycerol-boric acid), which is more acidic than boric acid.
c. Glycerol is not only irritating to the eyes and skin but can also produce toxins in human body if accidentally ingested. Drink warm water immediately after ingesting glycerin to induce vomiting.

B. Heating bath oil -- silicone oil

Silicone oil is a poly organic silicone with a chain-like structure of varying degrees of polymerization. It is produced by hydrolysis of dimethyl dioxane with water to produce primary polycondensation rings; the rings are cracked and distilled to produce lower rings; the rings, capping agents, and catalysts are blended together to produce a variety of polymeric blends; and the lower boilers are removed by reduced pressure distillation to produce silicone oil.

The most common silicone fluids contain organic groups that are all methyl groups, called methylated silicone fluids. Organic groups can also be replaced by other organic groups to improve the properties of silicone oil and to apply it to a variety of applications. Other common groups include ammonia, ethylene, benzene, chlorophenyl, trifluoropropane, etc.

Silicone oil is usually colorless (or yellowish), odorless and non-toxic, and non-volatile liquid. Silicone oil is insoluble in water, methanol, diol, and ethoxyethanol; it is miscible with Aoi, dimethyl aldehyde, methyl ethyl ketone, and carbon tetroxide or kerosene; it is slightly soluble in acetone, dioxane, ethanol, and butanol. It has a very low vapor pressure, a high flash and ignition point, and a low freezing point. Silicone oil can also be available in a variety of viscosities.

Oil bath vs water bath

bath-oil
Both oil baths and water baths are commonly used in laboratories for heating and thermostats.

Same commonality of oil bath vs water bath

a. They can all be used for distillation, drying, concentration, and impregnation of experimental samples.

b. They are widely used in petrochemical, metallurgy, medical and health, scientific research, environmental protection, and other industries.

c. Both machines are heated by electric heat, and both can maintain a constant temperature.

d. Both baths are available in single-hole and multi-hole equipment types.

e. The temperature control range is all at room temperature.

Difference between oil bath vs water bath

a. Different heat transfer media. Obviously, the heat transfer medium of the water bath is water, and the heat transfer medium of the oil bath is oil. Generally, bath oils are oils that can conduct heat at high temperatures.

b. Different range of high-temperature resistance. Water baths have a temperature range of 100℃ or less. Oil bath temperature control of 300℃ or less.

c. Different instrument materials. Oil baths require higher heat resistance of the materials used in the equipment because of the higher heating temperature. Generally, compared to water baths, oil bath machines have thicker heating tubes, more power, and a wider range of parameters in the temperature control meter.

d. The oil bath can be used as a water bath, as long as the heat transfer medium is replaced with water. However, water baths should not be used as oil baths because the material is not resistant to high temperatures.

e. Different selling price. The overall price of an oil bath is generally higher than that of a water bath.

Uses of oil bath lab equipment

oil-bath-lab-equipment

How do you use bath oil

a. Familiar with the performance of the machine

Read the manual carefully to understand the performance and use requirements of the specific model of the oil bath lab equipment.

b. Check the appearance

Place the oil bath lab equipment on a level work surface. Then confirm that the appearance is undamaged, the instrument is intact, the power cord is undamaged, the power switch is flexible, the three-stage plug is intact, and a power outlet with safety grounding is used.

c. Select and add heat transfer oil

According to the performance of the instrument and heating temperature needs, the operator adds the appropriate amount of heat-conducting bath oil to the oil bath.

d. Check oil bath temperature control

Make sure that the temperature control thermocouple/thermometer has been placed in the oil bath as specified by the instrument for proper temperature control.

e. Check the uniformity of oil temperature

Put the reagent bottles to be heated in the oil bath. Turn on the circulation switch and heat the oil to circulate in the oil bath to ensure the uniformity of oil temperature at all points in the oil bath.

f. Monitor oil bath procedure

Pay close attention to the temperature change of the oil bath and the status of the reaction system during the heating up process. After reaching the set temperature, pay attention to whether the oil bath temperature is stable and the reaction is smooth (it is recommended to check once in 10-15 minutes or have real-time monitoring).

g. Turn off the instrument

When you finish the experiment, the first step is to turn off the cycle switch, then turn the temperature rise knob to minimum/zero. Turn off the heating switch, and finally turn off the power switch and disconnect the power supply.

Notes on bath oil uses

a. Please wear safety gloves to avoid burns.

b. Choose a compliant and appropriate amount of heat-conducting oil.
a) according to the performance requirements of the instrument, the heating temperature needs;
b) Ensure that the heat conduction oil does not spill during the heating process, and also ensure that the heating tube is completely placed in the oil bath to avoid dry burning.

c. If the heat-conducting oil reaches its service life or occurs in the following situations, such as its properties change, mixed with organic solvents or flammable items, smoke or splash during heating, and so on, it must be stopped using immediately and replaced with new heat-conducting oil.

d. First add oil and then power on, dry burning is strictly prohibited.

e. Before heating, the operator should ensure that the thermocouple / thermometer is placed in the oil bath and it can accurately determine the temperature of the oil bath.

f. Regularly check whether the screws of each contact are loose. Keep the electrical contacts in good contact and the wiring connected properly.

g. For any possible dangerous situations, the operator should prepare a targeted contingency plan (such as immediate power failure, fire blanket coverage to extinguish the fire, etc.).

How to buy oil bath lab equipment?

ANTITECK provide lab equipment, lab consumable, manufacturing equipment in life sciences sector.
If you are interested in our oil bath lab equipment or have any questions, please write an e-mail to info@antiteck.com, we will reply to you as soon as possible.


    AntiTeck Life Sciences

    A1-519, XingGang GuoJi, Yingbin Road, Huadu, Guangzhou, China, 510810
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