Page 193 - Praxair - Specialty Gases and Equipment Reference Guide

Industrial Hygiene

Transportable Cylinders – Non-Reactive Gas Mixtures

Steel cylinders are for use with non-reactive gas mixtures. Gas mixtures can be certified up to
Whatever the requirement, Praxair has just the right package ± 2% analytical uncertainty.
Industrial Hygiene
for your field calibration needs.

Non-Reactive Gas Mixtures, continued
Mixture Components Balance Gas Contents/Cylinder Style
17 L 34 L 103 L 221 L 550 L

Carbon Monoxide CO, Methane CH 4 , Oxygen O 2
35 ppm CO/Methane 10% LEL/O 2 18% Nitrogen D17
50-60 ppm CO/Methane 50% LEL/O 2 12%-19 % Nitrogen D103
200 ppm CO/Methane 50% LEL/O 2 19.5% Nitrogen D34
200 ppm CO/Methane 50% LEL/O 2 20% Nitrogen D17 D34
250 ppm CO/Methane 50% LEL/O 2 17% Nitrogen D103

Carbon Monoxide CO, Propane C 3 H 8 , Oxygen O 2
60 ppm CO/Propane 30% LEL/O 2 15% Nitrogen D103

Carbon Monoxide CO, Pentane C 5 H 12 , Oxygen O 2
50 ppm CO/Pentane 25% LEL/O 2 19% Nitrogen D550
100 ppm CO/Pentane 25% LEL/O 2 19% Nitrogen D34 D103
Ethylene C 2 H 4
12-27 ppm C 2 H 4 Air D17
1.15% C 2 H 4 Air D103
Helium He
Helium 10% Nitrogen D550
Hexane C 6 H 14
25-50 ppm C 6 H14 Air D17 D34 D103 D221
75 ppm C 6 H 14 Air D17 D34 D221
100 ppm C 6 H 14 Air D17 D34 D103 D221
400 ppm C 6 H 14 Air D17 D34
500 ppm C 6 H 14 Air D17 D34 D103
10% LEL-25 % LEL C 6 H 14 Air D17 D34 D103
26% LEL C 6 H 14 Air D103
30% LEL C 6 H 14 Air D17 D34 D103
40% LEL C 6 H 14 Air D17 D34 D103 D221
Hydrogen H 2
100 ppm H 2 Air D103
500 ppm H 2 Air D103
1000 ppm H 2 Air D103
2000 ppm H 2 Air D17
20% LEL H 2 Air D17 D34 D103
25% LEL H 2 Air D17 D34 D103
40% LEL H 2 Air D17
50% LEL H 2 Air D17 D34 D103 D221
Hydrogen H 2
8000 ppm H 2 Nitrogen D103
2% H 2 Nitrogen D221
8% H 2 Nitrogen D34
Methane CH 4
60% LEL CH 4 Nitrogen D103
20%-50% by volume CH 4 Nitrogen D17
Typical concentrations noted. Inquire for other mixtures and styles.

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