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Is liquid nitrogen ice cream harmful?

Question 1: Is liquid nitrogen ice cream harmful? Liquid nitrogen is not toxic, but it has a freezing effect. Ice cream is harmless if you can.

Question 2: Is liquid nitrogen in liquid nitrogen ice cream harmful to human body? Liquid nitrogen itself is harmless, but the human body can't touch it directly, so a container is needed to store Si Nuo liquid nitrogen tank, that is, liquid nitrogen is stored first, and then liquid nitrogen is stored. 78% of the air is nitrogen. Liquid nitrogen only compresses nitrogen in the air into a liquid state. The temperature of liquid nitrogen is MINUS 196 degrees. Adding liquid nitrogen to food only plays the role of freezing, so eating it directly will not cause harm to human body.

Question 3: Is liquid nitrogen harmful to people? Part 1: Edit the name of the chemical. Chinese name of the chemical in this paragraph: liquid nitrogen.

English name of chemical: liquid nitrogen

Chinese name 2:

English name 2:

Technical specification code: 84

CAS number: 7727-37-9

Molecular formula: N2

Molecular weight: 28.0 1 Part II: Contents of harmful substances in this paragraph of composition/composition information editing, CAS number.

Liquid nitrogen ≥ 99.5% 7727-37-9 Part III: Hazard Overview Edit the hazard category in this paragraph:

Invasion route:

Health hazard: Skin contact with liquid nitrogen can cause frostbite. If there is too much nitrogen produced by vaporization under normal pressure, the partial pressure of oxygen in the air will drop, causing hypoxia and suffocation.

Environmental hazards:

Danger of explosion: This product is nonflammable and suffocating. Part IV: First-aid measures Edit this skin contact: If you have frostbite, see a doctor.

Inhalation: leave the scene quickly and go to a place with fresh air. Keep the respiratory tract unobstructed. If you have difficulty breathing, give oxygen. If breathing stops, give artificial respiration immediately. See a doctor. Part V: Fire Prevention Measures Editing Hazard Characteristics of this paragraph: In case of high heat, the internal pressure of the container increases, which is in danger of rupture and explosion.

Harmful combustion products: nitrogen.

Fire extinguishing method: This product is nonflammable. Use atomized water to keep the container cool in the fire. Spraying atomized water can accelerate the evaporation of liquid nitrogen, but the water gun should not be sprayed on liquid nitrogen. Part VI: Emergency treatment of leakage Edit this paragraph's emergency treatment: quickly evacuate people in the leaked contaminated area to the upwind, isolate them and strictly restrict access. It is suggested that emergency personnel wear self-contained positive pressure respirator and winter clothes. Don't touch the leak directly. Cut off the leakage source as much as possible. Prevent gas from accumulating in the depression, and it will explode when it meets the ignition source. Use an exhaust fan to send the leaked gas to the open space. Leaked containers should be properly treated, repaired and inspected before use. Part VII: Precautions for operation, disposal, storage and editing in this paragraph: closed operation. Closed operation to provide good natural ventilation. Operators must be specially trained and strictly abide by the operating procedures. Operators are advised to wear winter clothes and gloves. Prevent the gas in the workplace from leaking into the air. Lightly load and unload when handling, so as to prevent the cylinders and accessories from being damaged. Equipped with leakage emergency treatment equipment.

Precautions for storage: Store in a cool and ventilated warehouse. The reservoir temperature should not exceed 30℃. The storage area should be equipped with emergency treatment equipment for leakage. Part VIII: Contact Control/Personal Protection Edit occupational exposure limits of this paragraph.

China MAC(mg/m3): No standard has been established.

Former Soviet Union MAC(mg/m3): No standard has been formulated.

TLVTN: No standards have been established.

TLVWN: No standard has been established.

Monitoring method:

Engineering control: closed operation. Provide good natural ventilation conditions.

Respiratory system protection: generally no special protection is needed. However, when the oxygen concentration in the air in the workplace is lower than 18%, air respirator, oxygen respirator or long tube mask must be worn.

Eye protection: Wear a safety mask.

Physical protection: wear winter clothes.

Hand protection: wear cold gloves.

Other protection: avoid high concentration inhalation. Prevent frostbite. Part IX: Editing physical and chemical characteristics Main components of this paragraph: Content: high purity nitrogen ≥ 99.999%; Industrial level ≥ 99.5%; Grade Ⅱ ≥ 98.5%.

Properties: compressed liquid, colorless and tasteless.

PH value:

Melting point (℃):-209.8

Boiling point (℃):- 195.6

Relative density (water = 1): 0.808 (- 196℃)

Relative vapor density (air = 1): 0.97.

Saturated vapor pressure (kpa):1026.42 (-173℃)

Combustion heat (kJ/mol): meaningless.

Critical temperature (℃):- 147

Critical pressure (MPa): 3.40

Logarithmic value of octanol/water partition coefficient: no data.

Flash point (℃): meaningless

Ignition temperature (℃): meaningless

Upper explosive limit %(V/V): meaningless.

Lower explosive limit %(V/V): meaningless.

Solubility: > >;

Question 4: How can I eat liquid nitrogen ice cream if I can't eat liquid nitrogen? First of all, the characteristics of liquid nitrogen ice cream on-site production determine that it can make many flavors that ordinary ice cream does not have or cannot have, such as Sprite flavor and Laoganma durian flavor (just think so).

As for the taste, liquid nitrogen ice cream is fresh and pure, not as strong as the taste of industrial production, because it is generally without additives or too much polysaccharide.

Question 5: Is making liquid nitrogen ice cream harmful to people? Liquid nitrogen is not toxic, just frozen. Ice cream is harmless if you can.

Question 6: Hello. I want to ask. Is liquid nitrogen ice cream harmful to health? Some people say that eating too much liquid nitrogen ice cream is harmless, and eating too much will cause headaches. This is absolutely wrong. Liquid nitrogen is a non-toxic, harmless and tasteless liquid, and Bailezi specializes in making smoked ice cream.

Question 7: Is liquid nitrogen ice cream really different from ordinary ice cream? Liquid nitrogen is not toxic, but it has a freezing effect. Ice cream is harmless if you can.

Question 8: Is liquid nitrogen ice cream illegal? It is said that eating it is harmful to human body. Can Hefei make liquid nitrogen ice cream? Liquid nitrogen for 5 minutes means that the nitrogen content in the air is 78% at MINUS 196 degrees, which is harmless to human body. At present, there is an industry leader in making molecular ice cream with nitrogen in the market-MM Magic Molecular Ice Cream, which belongs to Bochuang Winning Group. You can consult this company.

Question 9: How long the liquid nitrogen ice cream can be kept has a lot to do with the heat preservation of your liquid nitrogen storage tank, because the liquid nitrogen gas is discharged through the safety valve every day. Of course, if you use gas, it will not be discharged. The daily gasification capacity of Duwa tank is about 4%, and that of Chater tank is about 1% to 2%.