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Mar 09 2021 Read 419 Times
ChroZen ASTM D1945 Player with column switching valve system effectively analyses natural gases by controlling the valve switching time with accuracy and precision and verifies its reliability by effectively determining each component of natural gases according to ASTM D1945.
Natural gases consist of methane (major component), other hydrocarbons and permanent gases like hydrogen, oxygen, nitrogen as well as carbon dioxide. They are used as major energy sources in numerous industries and it is very critical to accurately determine them because their value differs depending on chemical composition and the concentration of each component.
Among various analytical methods for natural gases, ASTM D1945 utilizes Gas Chromatograph (GC) configuring 5 columns and 3 detectors with 4 valves, which enables the analysis of complex natural gases in a single injection.
Mar 02 2021 Read 924 Times
ChroZen USP 467 Player is the optimised system for determination of residual solvents by fully complying with USP 467 and verifies the validity of analysis results for each analysis method.
For pharmacopeial purposes, residual solvents in pharmaceuticals are defined as organic volatile chemicals that are used or produced in the manufacture of drug substances or excipients, or in the preparation of drug products. Because these solvents can be harmful to human body if they remain in the final products, it is required to regulate these compounds not to exceed the specific limits defined in certain regulations.
United Stated Pharmacopeia (USP) classifies the residual solvents into Class Ⅰ, Class Ⅱ and Class Ⅲ depending on their risk to human health and USP 467 test method describes all the requirements for the analysis of residual solvents.
Jan 12 2021 Read 636 Times
ChroZen GC/MS is an innovative single quadrupole mass spectrometer by YoungIn Chromass to carry out qualitative and quantitative analysis for unknown or complex samples at trace level. With its excellent ultra-inert ion source, UEIS (Ultra Efficiency Ion Source), it optimises the ionisation and ion beam focusing to enable both ideal repeatability and sensitivity, and efficiently works for toxicology, food safety, and geochemical applications, where samples can be polluted higher. The large capacity of the standard vacuum pump (240L/s) stabilises the system faster and 300L/s of vacuum pump is also available optionally. It also provides the widest mass range (1.4~1,200 amu) as well as a very low instrument detection limit (less than 10 fg of OFN).