Page 101 - Praxair - Specialty Gases and Equipment Reference Guide
P. 101

Argon






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Helium              1 ppm - 49%          P-18-0008-A         Single Stage   PRS40023331-CGA   E •245
                                                              (1)
            Hydrogen            5 ppm - 49%          P-18-0009           Two Stage     PRS40123331-CGA    E •244
                                                             (1)
            Nitrogen            1 ppm - 49%          P-18-0007-A (1)     Line          PRS40052001-000    E •246


              Balance     Concentration     CGA    Praxair Grades*        Cylinder   Pressure   Contents
              Gas         Range                    E   N   M   P   C   U   Style   psig      ft 3    m 3
              Helium      1 ppm - 50%       580               •   •   •   AS      2000       146     4.1
                                                              •   •   •   AQ      2200         84    2.4
                                                              •   •   •   A3      2200         32    0.9
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              Hydrogen    1 ppm - 50%       350               •   •   •   AS      2000       146     4.1
                                                              •   •   •   AQ      2200         84    2.4
                                                              •   •   •   A3      2200         32    0.9
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              Nitrogen    1 ppm - 50%       580               •   •   •   AS      2000       146     4.1
                                                              •   •   •   AQ      2200         84    2.4
                                                              •   •   •   A3      2200         32    0.9
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              (1)   For concentrations above 50%, the (M)SDS for the inverse mixture applies (i.e. Helium in Argon).
              *  Key for Praxair Mixture Grades (Refer to page C •92 for complete specification details.)
                EPA (E), Primary Master (PM), Certified Master (CM), Primary Standard (P),
                Certified Standard (C), Non-Certified Standard (U)






















     Section C – Mixtures




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