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6 2 63 64 65 6 6 6 7 68 69 6 10 Buffered potassIUm ferncyamde DIssolve 2 0 g potassIUm ferncyamde, 3 1 g bonc aCId and 3 75 g potassIUm chlonde m 800 ml of dIStilled water Adjust to pH of 10 3 WIth 1 N sodIUm hydroxide (6 3) and dIlute to 1 lIter Add 0 5 ml of BnJ-35 Prepare fresh weekly SodIUm hydroxIde (IN) DIssolve 40 g NaOH m 500 ml ofdIStilled water, cool and dIlute to 1lIter 4-AmmoantIpynne Dissolve 0 65 g of4-ammoantlpynne m 800 ml ofdistIlled water and dIlute to 1 lIter Prepare fresh each day Ferrous ammomum sulfate DIssolve 1 1 g ferrous ammomum sulfate m 500 ml distIlled water contammg 1 ml H2S04and dIlute to 1 lIter With freshly boIled and cooled distIlled water Stock phenol Dissolve 1 00 g phenol m 500 ml of distilled water and dIlute to 1000 ml Add 1gCUS04and0 5mlconc H3P04aspreservative 10ml = 10mgphenol Standard phenol solution A DIlute 10 0 ml of stock phenol solutIOn (66) to 1000 ml 10 ml = 001 mgphenol Standard phenol solution B DIlute 100 0 ml of standard phenol solution A (6 7) to 1000 ml With distIlled water 1 0 ml = 0001 mg phenol Standard solutIOn C DIlute 100 0 ml of standard phenol solutIOn B (6 8) to 1000 ml With distilled water 1 0 ml = 00001 mg phenol Usmg standard solutIOn A, B or C prepare the followmg standards m 100 ml volumetnc flasks Each standard should be preserved by addmg 0 1 g CuSO4 and 2 drops of conc H3P04 to 100 0 ml 7 Procedure 7 1 72 7 3 Set up the mamfold as shown m Figures 1 or 2 FillthewashreceptaclebySiphon UseKel-FtubmgWithafastflow(1lIter/hr) Allow colonmeter and recorder to warm up for 30 mmutes Run a baselIne With all reagents, feedmg distIlled water through the sample lme Use polyethylene tubmg for ml of Standard Solution SolutIOn C 10 20 30 50 SolutlOn B 10 20 50 100 SolutlOn A 2 3 5 Cone ug/l 10 20 30 50 100 200 500 1000 200 300 500 4202-2PDF Image | Methods for Chemical Analysis of Water and Wastes
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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
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