Analytical Instrumentation Automatic Cleveland Open Cup Flash Point Tester
The CLA 5 Cleveland open cup flash point and fire point analyser from Petrotest (Germany) automatically tests both liquid and highly viscous liquid and solid samples; according to the ASTM D92 and ISO 2592 standards. The bench top instrument comes completely ready for testing with automatic test routines, user definable programs, as well as a rapid search program. The versatile analyser features the latest electronics, including a 5.7-inch colour graphics display and Pmove®
jog wheel control. It offers
a flashpoint scanning function and comes equipped with a barometric pressure sensor for corrected results; according to ASTM. It has selectable output; either °C or °F, and a measuring temperature testing range from ambient to 400°C (752°F), without requiring any additional equipment.
Reader Reply Card No Certified LPG Standards
Traceable calibration gases are necessary to calculate the composition and the calorific values of natural gas, refinery gas, biogas, etc. Several National Metrology Institutes are able to supply Primary Standards Gas mixtures to allow for GC and analyser calibration. VSL, Dutch Metrology institute (Netherlands) recently concluded a stability and consistency study on newly developed primary standards for calibration of Liquefied Petroleum Gas (LPG) measurement equipment. As the first National metrology Institute, VSL now offers certified reference standards to be used for calibration or QC purposes on site or in the laboratory. The newly developed standards are contained in 1000 cc constant pressure cylinders and typically contain ethane, iso- and n-butane and iso-pentane in a propane/propylene matrix. Due to the constant pressure cylinders, the liquid composition remains stable during the mixtures life time. The mixtures are prepared by the gravimetric technique employing state-of-the-art weighing facilities. Each mixture has an individual VSL certificate stating the composition and the associated uncertainty.
Reader Reply Card No Total Oil and Grease in Water and Soil – Portable and CFC-Free!
Eralytics (Austria), proudly presents the Eracheck; the ultimate solution for the fast and easy measurement of sub-ppm concentrations of oil in water and soil. The innovative and patented QCL-IR (Quantum Cascade Laser Infra-Red) measuring technology finally allows the CFC-free testing of total oil and grease and total petroleum hydrocarbons in water and soil samples within an unbeaten combination of measurement range (0-2000 mg/l) and limit of detection (0.25 mg/l).
A quick and easy field analysis method for determining oil and grease concentration levels is important for offshore oil platforms, refineries and oil depots. It can also be operated flexibly to address a series of process issues. The most common sites of operation are prior to and after water purification systems, such as primary to tertiary water separators, water feeds and filtration equipment.
With the manufacture of Freon 113 banned by the Montreal Protocol, older methods like ASTM D 3921 and Din 38409 that used infrared analysis and Freon as the extraction solvent had to be replaced. The Eracheck uses a very similar extraction procedure, but comes with the CFC-free, cheap and easily available solvents; Cyclohexane or Cyclopentan. It offers maximum precision in sub-ppm range over a wide measuring range in excellent correlation to ASTM D3921 and D7066. Eracheck is a portable stand-alone analyser equipped with the latest communication technology. Data can be saved onto a memory stick and documented in popular PC worksheet formats for further data analysis.
Reader Reply Card No
Laboratory Fluorinated By-products Analyser
The Hydrofluoric (HF) Alkylation process catalytically combines C3 – C5 olefins with isobutene to produce motor fuel alkylate. There is an increasing demand for alkylate because of its properties as a low-sulphur, high- octane blending component for unleaded and reformulated gasoline.
The products of the process contain traces of HF and organofluoride by-product compounds. Elevated levels of residual fluorinated by- products in process streams can cause serious problems in refinery operations including corrosion, catalyst poisoning, downtime, and lost production. Fluorinated by-products are removed by catalytic decomposition at 177 – 220 °C to HF and olefins. The HF released during this decomposition step is removed by adsorption on a bed of alumina forming aluminium fluoride. This step reduces total fluoride levels from approximately 100 – 400 ppm down to low ppm levels in the motor fuel alkylate.
OI Analytical’s FBA 5320 is a laboratory fluorinated by-products analyser (FBA) designed to detect and measure total fluorinated contaminants (HF and organofluoride compounds) in liquid propane, liquid butane, and motor fuel alkylate from the HF alkylation process. The analyser is based on an Agilent 7890 gas chromatograph equipped with an automated liquid sampling valve for sample introduction, a packed-inlet injection port, a stainless steel column, and a 5320 Electrolytic Conductivity Detector (ELCD) configured for fluoride detection. The FBA 5320 accurately detects total fluoride concentrations in the low parts-per-million (ppm) range. The FBA 5320 is typically calibrated with a calibration gas mixture (e.g. 3- fluoropropane in n-Butane) or
using a sample from a C4 process stream analysed by the Wickbold Method (ASTM D 7284). The measurement range of the FBA 5320 is 0.02 to 100ppm-F.
OI Analytical
www.oico.com
Reader Reply Card No 99 Reader Reply Card No 100 98 97 96
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Superior Selectivity and Sensitivity in Sulfur Analysis
PFPD – Pulsed Flame Photometric Detector Selective, high sensitivity detection of sulfur compounds in liquid-phase petrochemicals
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).
S-PRO 3200
Automated GC System for Sulfur Analysis Custom-confi gured gas chromatograph for measurement of sulfur compounds in gas-phase petrochemicals
Annual Buyers’ Guide 2011
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