Liquid nitrogen—LN₂—is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling point of about −195.8 °C. It is produced industrially by fractional distillation of liquid air. It is a colorless, low viscosity liquid that is widely used as a coolant.
How Much Does Liquid Nitrogen Cost In South Africa
The liquid nitrogen’s average price was R 5891.09/ton.
Is liquid nitrogen cheap?
Liquid nitrogen is actually very inexpensive. The expensive part of using liquid nitrogen, however, is a dewar to contain it and other safety equipment (like gloves, tongs and safety glasses). Dewars keep the nitrogen cold but stay room temperature on the outside so you can pick them up.
Why is liquid nitrogen expensive?
The price of nitrogen fertilizers is directly related to the price of natural gas (methane). Manufacturing 1 ton of anhydrous ammonia fertilizer requires 33,500 cubic feet of natural gas. This cost represents most of the costs associated with manufacturing anhydrous ammonia.
How long does liquid nitrogen last?
They have fewer functions. Usually they have no auto-refill functions, do not measure temperature and only alarm when nitrogen falls below a specified level. They can often last over 100 days if filled properly and not opened.
Can you pour liquid nitrogen down the sink?
Never Put Liquid Nitrogen Down the Sink
It can cause the pipes to crack and you will end up with an expensive repair bill.
Can a liquid nitrogen tank explode?
On vaporization it expands by a factor of 700; one liter of liquid nitrogen becomes 24.6 cubic feet of nitrogen gas. This can cause explosion of a sealed container, or it can displace oxygen in the room and cause suffocation without warning.