Measuring Flows For Gas Chromatography Volumetric vs. Mass | 合法醫療器材資訊網

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Table 1 shows some optimal flow‑rates and linear gas velocities used for different carrier gases and column diameters. Wide bore (0.53 mm ID) columns offer the ... Read More

由 SP McCann 著作 — Successful GC analysis requires careful control of carrier gas. Here, we explain how to measure and control flow rate, use constant pressure vs. Read More

2013年2月28日 — Gas flow measurements for GC can be divided into three regimes. First are high flows from about 30 cm3/min up to 400 cm3/min. Flows of this ... Read More

2016年2月29日 — In gas chromatography (GC), however, the mobile phase is very much compressible, which leads to pressure-, flow-, and velocity-driven effects ... Read More

2011年2月15日 — Figuring Carrier Gas Flow Rate – the easy way. USER CONTRIBUTED. SOFTWARE. GC Pressure/Flow Calculator. GC Pressure/Flow ... Read More

Figuring Carrier Gas Flow Rate – the easy way. USER CONTRIBUTED. SOFTWARE. • GC Pressure/Flow Calculator. Software. • http://www.chem.agilent.​com. Read More

2018年7月31日 — The flow rate of a capillary column depends on the internal diameter of the tubing​. Normally for a 0.25 mm i.d. column, the ideal flow rate is 1 to 2 ... Read More

Column Flow. mL/min. Average Velocity. cm/sec. Holdup Time. min. Inlet Pressure. psi, kPa, bar, atm. psi. Outlet Pressure (abs). Vacuum. Atm. Vacuum. Atm. psi ... Read More

The most common device for measuring a volumetric flow rate is a bubble flowmeter. These devices are used to determine flow by measuring the time required for ... Read More