What Concentration Should Toluene Solution In Methanol Have For Supplying To Zero Air Flow At 200 Ml Min And Obtaini 1 (29.45 KiB) Viewed 68 times
What Concentration Should Toluene Solution In Methanol Have For Supplying To Zero Air Flow At 200 Ml Min And Obtaini 2 (32.79 KiB) Viewed 68 times
What Concentration Should Toluene Solution In Methanol Have For Supplying To Zero Air Flow At 200 Ml Min And Obtaini 3 (50.26 KiB) Viewed 68 times
. What concentration should toluene solution in methanol have for supplying to "zero" air flow at 200 mL/min and obtaining air with tolune concentration 50 ng/L? Syringe pump should operate at 5.0 ul/h rate • What volume should syringe have to operate for 24 h?
• Calculate uncertainties of all prepared soil samples if uncertainty of a concentration of a spiked solution is 1%. Spiking is done using a 10-ul microsyringe (scale 0.1 ul).
Task • Propose the method to prepare soil sample with a concentration of toluene 200 ug/kg. Task Propose the method to prepare a sample of soil (m = 100 g) with a concentration of crude oil from Tengiz oil extraction site 500 mg/kg.
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