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High-Sensitivity Gas Chromatograph Incorporates Novel Plasma Technology to Enable Trace Analysis
Shimadzu Corporation have introduced the Tracera, a high-sensitivity gas chromatograph. Tracera is equipped with the newly developed barrier discharge ionisation detector (BID), which is capable of detecting all types of trace organic and inorganic compounds, with the exception of helium (He) and neon (Ne), at the 0.1 ppm level. Tracera GC is applicable for many types of high-sensitivity analyses typically performed with GC systems incorporating different detectors. Shimadzu has investigated the basics of plasma detection technology as a means for in-creasing sensitivity stability and the detectable concentration range. This has resulted in the barrier discharge ionisation detector (BID), a new detector capable of the high-sensitivity detection of both organic and inorganic compounds, while providing excellent durability.
The built-in barrier discharge ionisation detector (BID) generates helium plasma. The ex-tremely high photon energy of this plasma ionises the sample components, enabling high-sensitivity detection. This system achieves at least 100 times the sensitivity of a conven-tional TCD, and at least twice the sensitivity of FID, enabling the detection of all types of trace components at the 0.1 ppm level.
The new BID helium plasma has an extremely high energy. It can detect all organic and inorganic compounds, with the exception of He and Ne, with no difference in sensitivity. It improves analysis sensitivity even with aldehydes, alcohols, and halides, for which sensi-tivity decreases with FID. A single Tracera system can perform analyses that convention-ally required complicated systems equipped with multiple detectors and units. Examples include the analysis of hydrogen and organic compounds such as formic acid, generated as part of the reaction process during artificial photosynthesis, and the analysis of low concentration hydrocarbons and permanent gases generated in lithium ion rechargeable batteries. With the new BID, the plasma is generated inside a quartz tube, so it makes no contact with the discharge electrode used for plasma generation. As a result, the detector elec-trode is not degraded, achieving long-term analytical stability.
MORE INFO. 26
Launch of HPLC Sample Evaporators
New HPLC On-Line Solution Secures the Analytical Workflow of Pharmaceutical Laboratories
High Performance Liquid Chromatography (HPLC) has been and continues to be a workhorse of the pharmaceutical laboratory. Throughout the product life cycle from Pre-Formulation to Quality Control, HPLC coupled to Dissolution and Content Uniformity/Assay testing are some of the biggest sample sources for HPLC analysis. Sotax, a leader in automated solutions for dissolution testing and automated sample prep has developed a variety of ‘Off-line’ autosampler solutions over the decades. ‘Off-line’ samples are withdrawn from their instruments, immediately filtered and collected in a variety of formats. To further automate the analytical workflow and to avoid costly manual transfer mistakes, Sotax is now pleased to announce the newest addition to their line of autosamplers: the SAM Sample Manager.
The SAM guarantees a seamless flow from Dissolution samples to analytical results. Totally flexible and scalable, the system is available in three different capacities to connect to semi-automated dissolution systems and fully-automated dissolution systems: SAM S (small; for up to 240 samples), SAM M (medium; for up to 480 samples), and SAM L (large; for up to 720 samples). The SAM acts as a transfer platform keeping samples protected and injecting them one by one into HPLC, all without any vial transfer. The system works with any HPLC instrument with ready signal functionality and can be integrated with a variety of different injection valves. SAM is driven by the WinSOTAXplus Advanced Dissolution Software while the LC data is processed with the existing chromatography software. SAM will take care of the samples seamlessly from start, to analytical finish.
Porvair Sciences announces new versions of its MiniVap and UltraVap blowdown evaporators that use warm air or nitrogen to speed up the evaporation of common HPLC solvents such as dichloromethane, methanol and acetonitrile from sample vials, significantly improving throughput and removing this common laboratory bottleneck. Combining a new 48-well needle head with a dedicated HPLC vial holder that accepts 48 standard 1.5ml vials transforms any MiniVap or UltraVap system into a high throughput HPLC sample evaporator. Applications that will benefit from the new HPLC sample evaporators include pre- concentration prior to injection (to increase sensitivity) as well as evaporation to dryness of post-column fractions for recovery of compounds.
MORE INFO. 28 MORE INFO. 27 Develop High Quality Methods in Less Time
Unique method development software designed for separations scientists; ACD/AutoChrom MDS (method development suite) offers logical and comprehensive method screening and multi-parameter optimisation based on QbD principles. Once the analyst has defined the project and its goals, AutoChrom MDS will execute experiments, guide the chromatographer through data processing and interpretation with automatic peak tracking, and help select subsequent experiments. Automated mode provides instrument control for Agilent ChemStation or Waters Empower. The capability to store new methods along with the decisions made during a method development project in a searchable knowledgebase, helps turn experiments into corporate intelligence that can be leveraged in future projects for greater efficiency.
MORE INFO. 29
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INTERNATIONAL LABMATE - APRIL 2013
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