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Linde Nippon Sanso

Electronic Gases

Electronic Pure Gases

Electronic Pure Gases

Electronic Gas Mixtures

Cylinder Specifications & Preparation

Ammonia 4.5


	Purity, %	> 99,995


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Impurities Ammonia 4.5, ppm:
H₂O		5
O₂		5
N₂		30
CO		5
CO₂		1
HC		2
The percentages indicated in conjuction with purities are mole percents (ideal volume percentages)

Delivery forms: Ammonia 4.5
	Capacity, liter	Vapor pressure at 20°C, bar	filling quantity, kg
Steel cylinder	2	8,59	1
Steel cylinder	10	8,59	5
Steel cylinder	50	8,59	26,5

Conversion factors Ammonia

m³ gas (15 °C, 1 bar)	Litre liquid at T_s	kg
1	1,058	0,722
0,945	1	0,682
1,386	1,466	1

Identification Ammonia 4.5
Cylinder shoulder color:	Yellow RAL 1018
Label:	Ammonia 4.5
Valve outlet:	W 21.80 x 1/14, DIN 477 No. 6

Properties Ammonia
Under pressure liquified gas, environmentally harmful, toxic, caustic
MAK value:	20 ppm
Chemical symbol:	NH₃
Molar mass:	17.030 g/mol
Critical temperature:	405.55 K (132.40 °C)
Boiling point at 1,013 bar (T_s):	239.75 K (-33.40 °C)
Relative density at 15°C, 1 bar (dryair = 1):	0.596

Applications Ammonia 4.5

deposition of Si₃N₄ per CVD in conjunction with silicon carrying gases
manufacturing of GaN for blue light emitting diodes

Mixtures of Ammonia with other gases in defined compositions.

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			Linde Nippon Sanso moves headquarters to Munich
			European Photovoltaic Conference Sept 03-06, 2007 in Milano - Visit Linde Nippon Sanso
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			Grand Opening - 15 Sept. 2006: LNS & Linde inaugurate the most advanced electronic gases production facility in Europe