PDF Publication Title:
Text from PDF Page: 313
5. cadmIUm and a long contact tune m order to mmimize a loss by complexatlOn or occluslOn of cyamde on the precIpItated matenal Apparatus 6. 7. 8. 9. 67 Procedure 7.1 Set up the mamfold as shown m FIgure 1 m a hood or a well-ventIlated area 72 Set temperature ofthe heatmg bath at 150°C 73 Allow colonmeter and recorder to warm up for 30 mmutes Run a baselme WIth all 5 1 Reagents Techmcon AutoAnalyzer 5 1 5 1 5 1 5 1 5 1 5 1 5 I 7 Recorder 1Sampler 2 Mamfold wIth UV digestor 3 ProportlOnmg pump 4 Heatmg bath wIth distillatlOn coll 5 DistillatlOn head 6 Colonmeter eqUlpped wIth a 15 mm flowcell and 570 nm filter DIstl1latlOn reagent Carefully add 250 m1 of 85% phosphonc aCId and 50 ml of hypophosphorus aCId to 700 m1 of dIstilled water, mIX and dllute to one hter wIth dIstIlled water Phosphate buffer, pH 52 DIssolve 13 6 g ofpotassIUm dihydrogen phosphate and 028 g ofdisodlum phosphate m 900 m1ofdIstllled water and dllute to one hter Chloramme-T DIssolve 2 0 g ofchloramme-T m 500 m1ofdIstllled water Pyndme barbitunc aCId reagent Place 15 g ofbarbitunc aCId m a one lIter beaker Wash the sIdes ofthe beaker wIth about 100 m1 ofdIst111ed water Add 75 ml ofpyndme and mIX Add 15 ml ofconc HC1 and mIX DIlute to about 900 ml wIth dIstllled water and mIX until all the barbitunc aCId has dissolved Transfer the solutlOn to a one hter flask and dilute to the mark SodIUmhydroXIde,1N DIssolve40gofNaOHm500mlofdIstilledwateranddiluteto onehter Stock cyamde solutlOn DIssolve 251 g of KCN and 2 g KOH m 900 m1 of dIstilled water and mix Dllute to one lIter Standardize with 00192 N AgN03 to appropnate concentratlOn I m1 = 1mg CN reagents, feedmg dlstllied water through the sample hne 74 Place appropnate standards m the sampler m order of decreasmg concentratlOn Complete loadmg ofsampler tray WIth unknown samples 75 When the baselme becomes steady begin the analyses CalculatIon 8 I Prepare standard curve by plottmg peak heIghts of standards agamst concentration values Compute concentratlOns of samples by companng sample peak heights WIth standards PreciSIon and Accuracy 9 1 PrecISIon and accuracy data are not avallable at thIS time 6 1 62 6 3 64 65 66 All workmg standards should contam 2 m1 of IN NaOH (65) per 100 ml 3353-2PDF 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 (Standard Web Page)