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Analytical Instrumentation Trend-Setting New Instrument Introduced for Vapour Pressure Testing


AMETEK Grabner Instruments (Austria), a worldwide leader in automatic petroleum testers, announces the launch of a new, highly versatile and portable vapour pressure tester-- the MINIVAP VP Vision. The new analyser features significant improvements in terms of measurement range that allows one instrument to measure gasoline, jet fuel, crude oil, LPG and solvents (without needing to attach a pressure regulator).


The analyser is certified to work in cold as well as hot and damp climates and has a demonstrated ability to withstand vibrations and heavy shocks coming from any direction. It is the ideal tester for mobile laboratories, military applications and harsh, demanding environments.


The MINIVAP VP Vision is the first vapor pressure tester to demonstrate excellence in engineering and quality. It offers an extended pressure range of 0 to 2000 kPa without compromising precision. Long-term testing has demonstrated an unmatched repeatability of less than 0.2 kPa. Grabner’s newly developed 2D-Calibration Correction Field (273 points) and exact piston positioning guarantee that accurate and precise results are received over the full measuring range. In addition, the MINIVAP VP Vision features Grabner´s Sampling Pro valve design, which provded during ruggedness testing to be the best-in-class, piston-based design for minimising cross contamination between various sample types.


The MINIVAP VP Vision uniquely combines ease of use with flexibility. A modern, app-like user interface makes it easy to select, start and follow measurements directly on an industry-proven 10” touch screen. In addition, Grabner’s Cockpit PC software offers lab managers the utmost in flexibility. The software allows users to consolidate measurement results and statistics from multiple locations at one central lab and to store measurement data at any chosen location via direct Ethernet and LIMS-connection. The software can be accessed through a secure VPN tunnel, allowing true mobile access to instruments from any place at any time.


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The accumulation of mercury throughout the petrochemical refinery process continues to cause severe operational difficulties for refineries.


Mercury concentrations vary greatly in crude oil and condensate samples. Sample preparation procedures are labour intensive and time consuming.


Analysing samples for mercury therefore remains a significant drain on resources and time.


The DMA-1 and DMA-80 direct mercury analysers from Milestone, distributed in the UK by Analytix, are helping laboratories in the petrochemical industry to optimise their mercury analysis processes.


The DMA-1 is a manual single analysis system that is designed for laboratories with low sample throughput. The DMA- 80 is an automatic sample analyser with capacity for 40 samples, designed for larger workloads.


Neither system requires any sample preparation prior to analysis thus eliminating the risk of mercury loss and cross contamination. This also means ease of use, low running costs, and no need for handling and disposal of hazardous chemicals. In addition both systems have the advantage of ‘running on air’ that removes the requirement for in-house or bottled gases.


Both analysers allow rapid direct mercury analysis of a wide range of sample types that are typically tested in the petrochemical industry, such as fuels, oils and polymers, and inorganic samples such as catalysts. They can analyse solid, liquid, and gaseous samples in approximately five minutes per sample, with excellent sensitivity. There is also no need to calibrate the instrument every day, the calibration curve can be stable for up to several months which greatly simplifies routine analyses.


The DMA-1 and DMA-80 have been used to develop the US EPA method 7473. They are also compliant with ASTM D-6722-01 and ASTM D-7623-10.


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Both analysers optimise the analytical workflow from start to finish, improving analytical data quality whilst reducing the time taken to achieve results. Analytix additionally offers a highly sensitive Fluorescence Mercury Analyser – FMA-80 – for mercury analysis in liquids.


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6463ad@reply-direct.com JUNE / JULY • WWW.PETRO-ONLINE.COM


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How Direct Mercury Analysers can Help the Petrochemical Industry with Mercury Analysis


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