Page 102 - Praxair - Specialty Gases and Equipment Reference Guide
P. 102

Benzene






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Air                 1 - 1000 ppm         P-18-0082           Single Stage   PRS40023331-CGA   E •245
            Nitrogen            10 ppb - 1000 ppm    P-18-0119           Two Stage     PRS40123331-CGA    E •244
                                                                         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
              Air         5 ppb - 1000 ppm    590             •   •   •   AS      2000       146     4.13
                                       (1)
                                                              •   •   •   AQ      2200         84    2.40
                                                              •   •   •   A3      2200         32    0.90
              Nitrogen    5 ppb - 1000 ppm    350             •   •   •   AS      2000       146     4.10
                                       (1)
                                                              •   •   •   AQ      2200         84    2.40
                                                              •   •   •   A3      2200         32    0.90
              (1)   Cylinder pressure and contents will vary proportionately at higher concentrations.
              *  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)


















































            1-877-PRAXAIR                     www.praxairdirect.com                                        C•101    Section C – Mixtures
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