Determine the flow rate with its 95% uncertainty given: oit 9vs = CVAP P %3D scfm C = 498.5- =±0.6% VinH,0* psi AP = 68.4 inH,O, dP accuracy 0.2% of span, Range 0 to 100 inH,O %3D P= 75.8 psi, P accuracy 0.4% of span, Range 0 to 100 psia 100+ mc.
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- Hello, can someone please help me? I have already hand graphed 1 and 2 and found the v max, however I cannot find the Km value. I am confused because the plots on the linear weaver burk plot do not extend past the values that make up the line. So how am I supposed to estimate the value for the y-intercept in order to find the Km valueGas chromatography was used to analyse for residues of toxic solvents, including benzene and 1,2-dichloroethane (DCE), in a pharmaceutical preparation. The following conditions were used: Column: 30 m long capillary with polysiloxane stationary phaseCarrier gas: He at 35 cm s–1 constant flowOven program: 40 °C at t = 0, increasing at 10 °C min–1 to 240 °C at t = 20 min. Detector: flame ionisation (FID) Benzene eluted with retention time = 11.5 min, peak width = 0.26 min 1,2-dichloroethane (DCE) eluted with retention time = 11.8 min, peak width = 0.28 min (i) What are the strengths and limitations of the flame ionisation detector in this application, compared with other possible methods of detection? (ii) What is the resolution, RS, for the separation of benzene and DCE on this column? (iii) Suggest two ways by which the resolution of benzene and DCE might be improved. Explain your choices.Diluted skim milk with a protein concentration of 4.3 g/L is to undergoDEF microfiltration. Experiments have been performed using a cellulose-acetate membrane with an average pore diameter of 0.45 µm and AM = 17.3 cm2. For Stage 1 operation at a constant-permeate rate of 15 mL/minute, pressure drop across the cake and membrane increases from 0.3 psi to an upper limit of 20 psi in 400 seconds. The permeate viscosity is 1 cP. If continued in a second stage at constant ∆P at the upper limit until the permeate rate drops to 5 mL/minute, estimate the additional time of operation.Prepare plots of permeate volume in mL and permeate flux in mL/cm2-minute as functions of time.
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