PDF Publication Title:
Text from PDF Page: 460
7 9 8 CalculatiOn 8 1 RxD and standards are measured by constructmg a straight baseline over the range of the scan I and measunng the absorbance of the peak maXimum at 2930 cm- and subtractmg the baselineabsorbanceatthatpomt ForanexampleofatypiCal011spectrumandbaseline constructlOn, see Gruenfeld(3) Non-scanmng mstruments should be operated accordmg to manufacturer's mstructiOns, although cahbratiOn must be performed usmg the standards descnbed above (64) If the absorbance exceeds 08 for a sample, select a shorter pathlength or dilute as reqUired Use a cahbratiOn plot of absorbance vs mg 011 prepared from the standards to determme the mg 011 m the sample solutiOn mg/l total 011 and grease = V where R = 011 m solutiOn, determmed from cahbratiOn plot, m mllhgrams D = extract dllutlOn factor, ifused V = volume of sample, determmed by refilhng sample bottle to cahbratlOn Ime and correctmg for aCid addition ifnecessary, m hters 9 PrecisiOn and Accuracy 9 1 The two 011 and grease methods m this manual were tested by a smgle laboratory (EMSL) on sewage This method determmed the 011 and grease level m the sewage to be 17 5 mg/l When 1hter portiOns ofthe sewage were dosed With 140 mg ofa mixture of #2 fuel 011 and Wesson 011, the recovery was 99% With a standard deviatlOn of ±14 mg/l Blbbograpily 1 Standard Methods for the ExammatiOn of Water and Wastewater, 14th Edition, p 516, Method 502B, (1975) 2 Amencan Petroleum Institute, "Manual on Disposal of Refinery Wastes", Vol IV, Method 733-58 (1958) 3 Gruenfeld, M, "ExtractlOn of Dispersed 011s from Water for Quantitative AnalySiS by Infrared Spectroscopy", EnViron SCi Technol L...636 (1973) 413 2-3PDF Image | Methods for Chemical Analysis of Water and Wastes
PDF Search Title:
Methods for Chemical Analysis of Water and WastesOriginal File Name Searched:
epa600_4_79_020.pdfDIY PDF Search: Google It | Yahoo | Bing
CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
| CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP |