Chromatography

  • Safe and Reliable Gas Injectors for Moisture and Elemental Analysis

Safe and Reliable Gas Injectors for Moisture and Elemental Analysis

Oct 07 2020 Read 1011 Times

Fast and reliable measurement of various parameters in gases and LPG (liquified petroleum gases) is becoming increasingly important, as: water in LPG can cause valve and pipe freezing; already low ppm ranges of Fluorine and Chlorine in LPG can cause corrosion; Sulphur and Nitrogen in feedstocks and products need to be observed to maintain catalyst performance and for environmental reasons.

Nittoseiko Analytech, formerly Mitsubishi Chemical Analytech, provides gas injectors (GI) and vaporisers for gases (VG) that help to manage these challenges, guaranteeing safety and measuring reliability.

The VG-200, a standalone LPG sample injector for titration systems, doses a specified volume or mass of LPG into any titration cell or absorption solution automatically. The instrument is compliant to ASTM D7995 with the CA-310 Karl-Fischer-Moisture Meter.

For elemental analysis, the GI-220 is specialised to dose ambient or low pressure gases. The system capabilities include up to 1000 ml injection volume, and LOD down to 5 ppb Sulphur according to ASTM D6667 and D7551.

The GI-260 also simplifies elemental analysis and features fully automatic sampling and injection out of liquid phase LPG. Multi-Loop injection allows calibration out of one standard. The instrument is compliant to ASTM D7994 and UOP 1001, with combustion ion chromatography AQF-2100H.

More information online

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