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Technical data Critical point apparatus Article no: 04365-00 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Unknown Function and Applications Compact device for demonstrative, quantitative analysis of real gases as a function of pressure, temperature and volume. Observation of the transition from gaseous to liquid phase Recording of isotherms, isochores, isobars, vapor pressure curves Determination of critical data and coefficients of the Van der Waals equation of state Equipment and Technical Data Transparent, volume-calibrated, temperature-controlled measuring capillary made of special glass, on stainless steel pressure chamber Handwheel for pressure generation Inlet valve with pressure can connection Outlet valve for vacuum pump connection Demonstrative pressure gauge and transparent plastic cylinder with hose connection olives for temperature control of the measuring volume Measuring capillary: Measuring range 4 ml pressure-resistant up to 7.5 MPa at 60 °C Graduation 0.05 ml Pressure gauge: Measuring range 0 ... 50 bar (0 ... 5 MPa) Graduation 0.5 bar Temperature range 0 ... 55 °C Dimensions (mm) 335 × 340 × 670 Accessories Suitable gases: Pressure can sulphur hexaflouride (T_k = 45 °C, p_k = 38 × 10⁵ Pa) 41772-21 Pressure can ethane (T_k = 32 °C, p_k = 49 × 10⁵ Pa) 41772-09 Replacement material: Measuring capillary

Critical point apparatus