ARGON

Grade

Total purity
In volume (%)

Maximum impurities in ppm
 THC            CO+CO2         O2

N2

H2O

4.5

99.995

1

1

4

10

4

5.0

99.999

0.5

0.5

2

5

2

5.5

99.9995

0.2

0.5

1

2

1

HELIUM

4.5

99.995

0.5

1

4

40

4

5.0

99.999

0.5

0.5

2

5

2

HYDROGEN

Grade

Total purity
In volume (%)

Maximum impurities in ppm
THC          CO+CO2           O2

   N2

H2O

4.5

99.995

1

1

4

40

4

5.0

99.999

0.5

0.5

2

10

2

5.5

99.9995

0.2

0.5

1

2

1

NITROGEN

Grade

Total purity
In volume (%)

Maximum impurities in ppm
  THC              CO+CO2         O2

H2

H2O

4.5

99.995

1

2

6

-

6

5.0

99.999

0.5

0.5

3

-

2

5.5

99.9995

0.1

0.5

1

1

1

OXYGEN

Grade

Total purity
In volume (%)

Maximum impurities in ppm
  THC             CO+CO2       Ar

N2

H2O

2.8

99.8

30

0.5

900

100

2