Argon W2 spectro0 pages

Argon / Hydrogen 2 mixture for spectrometry

Ar / H2

STANDARD MIXTURES

Marking
Characterization acc. ADR

Essential properties
UN 1956, gas mixture, compressed,
n.o.s., 2.2
Class 2, 1A

Colourless, odorless, asphyxiant gas mixture, compressed, heavier
than air
Symbols of Risks

Cylinder Marking

gas, compressed

shoulder:
light green

For additional safety information see Material-/safety data sheet No. 302-00-0118

Valves / Manifolds
Valve connection

acc. to national standards

Recommended Manifolds

Spectrolab FM 51 / FM 52exact
Spectrocem FE 51 / FE 52exact

Specifications / Forms of delivery
Argon W 2
Composition
Ar 5.0
H2 5.0

=
=

98
2

Vol.%
Vol.%

<
<
<

2
2
0,2

ppmv
ppmv
ppmv

2,1
10,6

m3
m3

Impurities
H2O
O2
HC
Cylinders / Contents
F 10 200 bar
F 50 200 bar
Tolerance

Remarks

Version: 2.0

+/- 10 % rel.

Operating gas for spark erosion spectrometry

Messer Group GmbH
Gahlingspfad 31
47803 Krefeld
info@messergroup.com
www.messergroup.com