Nitrous Pressure
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 Liquid Filled Nitrous Pressure Gauge $29.99 Time Remaining: 16d 8h 59m Buy It Now for only: $29.99 |
 AUTOMETER CARBON FIBER NITROUS PRESSURE GAUGE $50.00 Time Remaining: 6d 10h 55m |
 Liquid Filled Nitrous Oxide Pressure Gauge 0 1500 psi $29.99 Time Remaining: 16d 8h 53m Buy It Now for only: $29.99 |
 Mustang Fuel Pressure Gauge 0 1500 psi Liquid Nitrous EHP 50 46 GT $25.29 Time Remaining: 22d 8h 56m Buy It Now for only: $25.29 |
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 AutoMeter 3428 Nitrous Pressure 0 2000 PSI 2 5 8 $77.95 Time Remaining: 29d 16h 18m Buy It Now for only: $77.95 |
 NOS NITROUS OXIDE PRESSURE GAUGE AND LINE APPROX 9 + FEET $100.00 Time Remaining: 12d 9h 40m Buy It Now for only: $100.00 |
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 AUTOMETER 5828 NITROUS PRESSURE PHANTOM SERIES 2 5 8 $69.78 Time Remaining: 20d 10h 30m Buy It Now for only: $69.78 |
 Nitrous Pressure Gauge 7174 $209.99 Time Remaining: 4d 10h 8m Buy It Now for only: $209.99 |
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Nitrous Pressure
Gas Cylinders 101 - What You Need To Know About Them
The interest for cooking has been increasing exponentially in modern times. But as time goes by, the techniques to put up the greatest and best tasting meals are gradually shifting from manual operations to gadget-geared ones. Molecular gastronomy is definitely making history in kitchens! If you want to get a taste of such professional sounding cookery technique, you better get the right gas cylinders for food preparation.
These vessels contain gases at their liquefied states. Since the gases stored in them are at higher pressurized levels, these containers are made from durable metal material such as steel or aluminum alloy.
In the older times, they were merely used for industrial purposes such as welding or other mechanical procedures. But through time with the rise of discovering innovative cooking techniques that involve high regard to the molecular composition of food, these gas cylinders have transformed into being useful cooking equipment.
One of the most popular types of such vessels used for cooking or food preparation is the nitrous oxide cartridges. This kind is under the Case II classification of such gas containers. This category means that the substance, as in the nitrous oxide gas, only reaches its liquefied state when standard temperature with increased pressure is applied on it.
These metal containers are also known by a lot of names - whipped cream chargers, whippets or whippers. The smallest kind contains 8 grams of pure nitrous oxide while the bigger types come in 16 gram cylinders. They typically come in thumb size tubes measuring about 2.5 inches long and .7 inches wide. At first sight, they look like gun bullets due their structure - a narrow tip with a rounded end.
But for the cylinders used for industrial or commercial kitchen purposes, nitrous oxide tanks are larger both in height, weight and structure. These often involve a gas tank system that permits about ten liters of whipped cream will be produced per hour. This kind of vessels is usually used in coffee shops or patisseries.
For froths, foams or whipped cream to be produced, the vessel has to be attached to a dispenser. Upon doing so, the gas will be released into the other container, which should firstly contained prepared cream (preferably with at least 28% fat content).
Afterwards, the nitrous oxide cartridges will do the work. It will aid the process of producing bubbles in large amounts, which in the end would produce cream with the all new fluffy texture. The mentioned fat content in the cream to be put inside the canister is crucial. The rule of thumb is that the higher the fat content, the more fat molecules could be worked up and turned into a puffed coating of the cream. The lesser content might mean the whipped cream could instantly become watery.
The best thing about the gas cylinders such as the nitrous oxide cartridges is that they empower even the simplest people. You for one now have the power and capability to put up a great dish that might even deserve to rival those meals in restaurants!
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nitrous oxide cartridges
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Complicated kinetics and pressure problem?
For the thermal decomposition of nitrous oxide,
2 N2O (g) -----> 2 N2 (g) + O2 (g)
values of the Arrhenius equation are A = 4.2 x 10^9 s^-1 and Ea = 222 kJ/mol.
If a stream of N2O is passed through a tube 25 mm in diameter and 20 cm long at a flow rate of 0.75L/min, at what temperature should the tube be maintained to have a partial pressure of 1.0 mm of O2 in the exit gas? Assume that the total pressure of the gas in the tube is 1.50atm.
How do I solve this?
The Arrhenius equation is k = Ae^(-Ea/RT)
The cross sectional area of the tube is
area = pi*(2.5 cm / 2)^2
so the linear rate at which gas travels through the tube is
(0.75 L / min) x (1000 cm^3 / 1 L) / area = (480/pi) cm/min
and the time that gas remains in the tube is
T = (20 cm) / (480/pi cm/min) = pi/24 min * (60 s / 1 min) = 2.5*pi s
That's your reaction time for this reaction. If k is the rate constant, then reactant and product concentrations after an interval T are
pN2O = (1.5 atm)(760 mm / 1 atm) [ 1 - exp(-kT) ]
pN2 = (1.5 atm)(760 mm / 1 atm) exp(-kT)
pO2 = 1/2 (1.5 atm)(760 mm / 1 atm) exp(-kT)
Set pO2 = 1 mm and solve for k, then solve the Arrhenius equation
k = A exp(- Ea / RT)
for the temperature T.
m
Wolf Tech & Nitrous - Under Pressure Anthem 2008