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Analytical Instrumentation
New 2010 Catalogue Features Viscometers, Rheometers, Texture Analysers and Now Powder Flow Testers
Brookfield Engineering Laboratories (USA) announces the release of their new 2010 full-colour catalogue, featuring their complete line of Viscometers/Rheometers, Texture Analysers and now Powder Flow Testers!
Within the catalogue are some exciting new Instruments such as the new DV-II+Pro Extra; Brookfield took the DVII+Pro, their most popular and versatile viscometer and added something 'Extra' - all their best options plus free Rheocalc software. The result is an instrument designed to deliver dramatic time savings and superior performance in the lab. Another new viscometer featured in the catalogue is Brookfield's new 'Falling Ball' Viscometer - an instrument that provides dynamic viscosity measurement of transparent Newtonian fluids utilising the simple but precise Höppler principle to measure viscosity.
Brookfield are also pleased to offer their new EZ-Lock Spindle Coupling Kits; now available for the Small Sample Adapter, UL Adapter, Helipath Stand, DIN Adapter and Thermosel. Also available is the new EZ-Lock Vane Spindle Set. Additionally the new RS portable Rheometer which operates in the lab, on the production floor or in the field with a rechargeable battery.
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New Penetrometer Offers Ease of Use and the Latest Technology
Penetration value of samples is mainly dedicated to semi-solid and solid bituminous materials, greases, petroleum waxes and has many applications in other industries (food, cosmetics, pharmaceutical…) to determine the consistency of the products. Normalab (France) has launched its 3rd generation of automatic penetrometer with improved technology. NPN Tech has been designed for a maximum ease of use and control from the operator’s point of view.
Based on proven mechanical technology, the unit offers the most up-to-date electronic technology, including USB communication, for PC, Printer, or Keyboard. Accuracy is Normalab’s priciple target and the Stepper motor for penetration depth gives precision as low as 0.01 mm. A position recall for routine tests can be set and the unit includes options such as the automatic approach for conductive samples, accurate and highly reliable supports for light and magnifying glass, Optoelectronic detection of depth penetration and an automatic level detection device for bitumens.
Reader Reply Card No 79 78
The New Age in Flashpoint Testing Using a unique patented flashpoint method,
the Miniflash flashpoint tester from Grabner Instruments (Austria) offers best repeatability and unmatched versatility for petro- chemical flashpoint testing. By using only 1-2 ml sample volume and by testing the flashpoint in a completely sealed metal cup, the MINIFLASH guarantees highest safety and eliminates the risk of open fires commonly associated when testing flashpoint in refinery laboratories.
Operating a classical Pensky Martens flashpoint tester can be tedious and frustrating: Complicated preparation and method selection require the work of a skilled technician to generate repeatable, unbiased results.
Contrary to the old Pensky Martens method the Miniflash offers best in class handling: Simply select the method, put in 1 ml sample and press run. Clean the small sample cup with a tissue afterwards and start the next measurement. Thus an average 10 samples per hour can be tested with the Miniflash, results exceeding precision of the common EN ISO 2719 and D93 flashpoint standards. The Miniflash 8-position sampler model allows 45 minutes unattended flashpoint testing, ensures highest productivity and thus pays off instrument costs in a few months.
When asked for their opinion on the Miniflash, ease of use, portability and best performance even under the most adverse conditions are voiced by our customers: “All units have been very good for us. Very user friendly, efficient and strong enough to last in an offshore environment. I remember the old days for testing flash points and these units are light years ahead in design and ease of use,” says Wayne Russell, MI-Swaco, offshore oil platform.
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Superior Selectivity and Sensitivity in Sulfur Analysis
Master TD 4750 Thermal Desorber: High Sensitivity Analysis of VOCs in Air
PFPD – Pulsed Flame Photometric Detector Selective, high sensitivity detection of sulfur compounds in liquid-phase petrochemicals
OI Analytical’s new Master TD 4750 Thermal Desorber processes air samples collected in sorbent tubes for high sensitivity GC/GC-MS analysis of volatile organic compounds (VOCs) and semi-volatile compounds (up to C44). Concentrating a large volume sample in a sorbent tube followed by thermal desorption onto a GC column allows for monitoring of pollutants at parts per billion (ppb) or parts per trillion (ppt) levels.
The Master TD 4750 is designed to help laboratories handle testing of environmental air, industrial emission, and workplace air samples in an efficient, cost-effective manner.
A built-in 50-position autosampler supports unattended operation with industry
air sampling cartridges. An optional Air Sampler module connects to the Master TD 4750 for direct sampling of air, or to automate sampling from SUMMA®
standard (.25-inch O.D. x 3.5-inch long) stainless steel and glass sorbent tubes, and Radiello®
canisters and Tedlar®
OI Analytical is a leading provider of instrumentation for selective, high sensitivity measurement of sulfur compounds in petrochemicals.
The PFPD – Pulsed Flame Photometric Detector measures known and unknown sulfur compounds in liquid-phase samples from low ppb to ppm levels, and total sulfur as the sum of all sulfur compounds. Simultaneous sulfur and hydrocarbon chromatograms from the PFPD provide a unique analytical capability for ultra-low-sulfur fuels.
The S-PRO 3200 GC system is equipped with special components to measure sulfur compounds in gas-phase samples such as; natural gas, propylene, ethylene, and liquefi ed petroleum gas (LPG).
bags. S-PRO 3200
Automated GC System for Sulfur Analysis Custom-confi gured gas chromatograph for measurement of sulfur compounds in gas-phase petrochemicals
The Master TD 4750 employs a two-stage thermal desorption process. In operation a sorbent tube in the autosampler is lifted into a heating device and sealed at each end for an automatic cold pressurised-gas leak test. Primary desorption of VOCs from the sorbent tube occurs as the temperature increases to a programmed set point of 40° to 400°C. Carrier gas flow transfers VOCs to a sorbent trap.
The trap is a quartz tube containing application- specific sorbents to focus analytes before the second thermal desorption step is performed.
The trap is surrounded by a patented shuttle mechanism that rapidly positions a Peltier cooling device or electric heating element for instantaneous cooling and heating. Peltier cooling (to – 40°C) focuses even extremely volatile compounds (e.g.; chlorofluorocarbons - CFCs) onto the trap. Instantaneous heating of the trap desorbs the VOCs in a narrow band and introduces them into the GC column via a heated transfer line to preserve chromatographic resolution and accuracy.
The Master TD 4750 is compatible with current models of GC/GC-MS instruments manufactured by Agilent, Shimadzu, Thermo-Fisher, and others.
Reader Reply Card No 81 Annual Buyers’ Guide 2010 Reader Reply Card No 82 80
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