| KOEHLER K8610-6584 Free and Total Glycerin by Gas Chromatograph  |
| K8610-6584 Free and Total Glycerin by Gas Chromatograph • Ambient-to-400C temperature-programmable column oven • Electronic Pressure Control (EPC) of all GC system gases, including carrier gas • LED "at-a-glance" display of all temp, pressure, & voltage-controlled zones Includes: • Flame Ionization Detector (FID) • MXT-500 Capillary Column (15M x 0.53mm ID, 0.15 µ) • Single cold on-column injection port • Single-channel USB 2.0-compliant data acquisition hardware • PeakSimple data acquisition & control software for WinXP on IBM PC • 6' USB 2.0 Cable (A to B) • GC Accessory Kit • Operation & Service Manuals • Free software updates |  Click on the image to view a larger photo of the instrument. |
| Test Method For the quantitative determination of free and total glycerine in B-100 methyl esters by gas chromatography. The range of detection for free glycerine is 0.005 to 0.05 mass %, and total glycerine from 0.05 to 0.5 mass %. The sample is analyzed by gas chromatography, after silyating with N-methyl-N-trimethylsilytriflouracetamide (MSTFA). Free and bonded glycerine content reflects the quality of Biodiesel. A high content of free glycerine may cause problems during storage, or in the fuel system, due to separation of the gylcerine. A high total glycerine content can lead to injector fouling and may also contribute to the formation of deposits at injection nozzles, pistons, and valves. Gas Chromatograph The Biodiesel Gas Chromatography system is configured to perform and satisfy all of the requirements of ASTM D6584. Analysis takes about 25 minutes and is simple enough for an untrained operator to perform in the lab or in the field. The included PeakSimple Data System displays the calibrated results directly without off-line calculations. Specifications Conforms to the specifications of: ASTM D6584 Dimensions lxwxh,in.(cm) 19 x 14.5 x 12.5 (48.5 x 36.75 x 30.5) Net Weight: 37 lbs (16.8 kg) Shipping InformationShipping Weight: 52.5 lbs (23.9 kg) Dimensions: 4.9 Cu. ft. |
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