Carrier Gases & Local Gases Specifications

Sr. No.	Product	Impurities	Purity / Concentration
1.	Gaseous Argon UHP(Grade 5.5)	Purity	≥ 99.9995 %
		Oxygen	≤ 0.5 ppm
		Moisture	≤ 0.5 ppm
		THC	≤ 0.5 ppm
		Nitrogen	≤ 2.0 ppm
		Hydrogen	≤ 0.1 ppm
		Carbon Dioxide	≤ 0.1 ppm
2.	Gaseous Argon UHP (Grade 5.0)	Purity	≥ 99.999 %
		Oxygen	≤ 1.0 ppm
		Moisture	≤ 2.0 ppm
		THC	≤ 0.5 ppm
		Nitrogen	≤ 4.0 ppm
		Hydrogen	≤ 1.0 ppm
		Carbon Dioxide	≤ 1.0 ppm
3.	Gaseous Argon (Grade 4.8)	Purity	≥ 99.998 %
		Oxygen	≤ 5.0 ppm
		Moisture	≤ 3.0 ppm
4.	Gaseous Nitrogen UHP (Grade 5.5)	Purity	≥ 99.9995 %
		Oxygen	≤ 1.0 ppm
		Moisture	≤ 2.0 ppm
		THC	≤ 0.5 ppm
		Carbon Dioxide	≤ 1.0 ppm
		Carbon Monoxide	≤ 1.0 ppm
5.	Gaseous Nitrogen UHP (Grade 5.0)	Purity	≥ 99.999 %
		Oxygen	≤ 1.0 ppm
		Moisture	≤ 3.0 ppm
		THC	≤ 0.5 ppm
6.	Gaseous Nitrogen (Grade 4.8)	Purity	≥ 99.998 %
		Oxygen	≤ 5.0 ppm
		Moisture	≤ 3.0 ppm
		THC	≤ 1.0 ppm
7.	Gaseous Helium UHP (Grade 5.0)	Purity	≥ 99.999 %
		Oxygen	≤ 1.0 ppm
		Moisture	≤ 2.0 ppm
		THC	≤ 1.0 ppm
		Nitrogen	≤ 5.0 ppm
		Hydrogen	≤ 1.0 ppm
		Carbon Dioxide	≤ 1.0 ppm
		Carbon Monoxide	≤ 1.0 ppm
8.	Gaseous Helium (Grade 4.5)	Purity	≥ 99.999 %
		Oxygen	≤ 5.0 ppm
		Moisture	≤ 5.0 ppm
		THC	≤ 1.0 ppm
9.	Carbon dioxide (Grade 4.0)	Purity	≥ 99.99 %
		Moisture	≤ 20.0 ppm
		Sulphur	≤ 0.1 ppm
		THC	≤ 20.0 ppm
10.	Gaseous Oxygen	Purity	≥ 99.7 %