PDF Publication Title:
Text from PDF Page: 480
6. 5 4 HIgh concentrations of aldehydes may be an mterference Apparatus 7. 62 63 64 65 66 6 7 Reagents 8 7.10 Standard phenol solutIOn B DIlute 100 0 ml of standard phenol solutIOn A (79) to 1000 ml wIth disttlied water 1 0 ml = 0001 mg phenol Procedure 6 1 DIstIllation apparatus All glass consIstmg of a 1 hter pyrex distilhng apparatus wIth Graham condensor pH meter Spectrophotometer Funnels FIlter paper Membrane filters Separatory funnels 71 72 7 3 74 75 7.6 77 78 7.9 Copper sulfate solutIOn DIssolve 100 g CuS04-5 H20 m dIstIlled water and dIlute to 1 hter Sulfunc aCId, 1 N Add 28 ml of conc H2S04to 900 ml of dIstdled water, mIX and dIlute to 1hter MBTH solutIOn, 005% DIssolve 0 1 g of 3-methyl-2-benzothiazohnone hydrazone hydrochlonde m 200 ml ofdIstIlled water Cenc ammomum sulfate solutIon Add 2 0 g of Ce(S04)2-2(NH4)2S04-2H20 and 2 0 ml ofconc H2S04to 150 ml ofdIStilled water After the sohd has dIssolved dIlute to 200 ml wIth dIstIlled water Buffer solutIOn DIssolve m the followmg order, 8 g of sodmm hydroxIde, 2 g EDT A (disodium salt) and 8 g bonc aCId m 200 ml of dIstIlled water DIlute to 250 ml wIth dIstIlled water Workmg buffer solutIOn Make a workmg solutIOn by mlxmg an appropnate volume of buffer solutIOn (7 5) wIth an equal volume of ethanol Chloroform Stock phenol DIssolve 1 00 g phenol m 500 ml of dIstIlled water and dIlute to 1000 ml Add1gCUS04and05mlconcH2S04aspreservatIve 10ml=10mgphenol StandardphenolsolutIonA Dtlute100mlofstockphenolSolutIon(78)to 1000milO ml = 001 mg phenol 8 1 8 2 DIstIllatIOn 8 l I T o 500 m1 of sample add 5 m1 of copper sulfate SolutIon (7 1) and adjust the pH to approxImately 4 wIth 1 N sulfunc aCId SolutIon (7 2) 8.1 2 DIstIll over 450 m1 of sample, add 50 ml of warm dIstIlled water to flask, and resume dIstIllatIOn unttl500 ml has been collected 8 1 3 Ifthe disttliate IS turbId, filter though a prewashed membrane filter ConcentratIon above 50 ug/1 8 2 1 To 100 ml ofdisttliate or an ahquot dIluted to 100 ml, add 4 ml ofMBTH SolutIon (7 3) 822 After5mmutes,add25m1ofcencamIhomu~sulfat~solutIOn(74) 4203-2PDF 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 |