What are the possible errors that could occur during the titration experiment to determine acetic acid content in vinegar? What can be done to prevent these errors? How will you treat your data?
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What are the possible errors that could occur during the titration experiment to determine acetic acid content in vinegar? What can be done to prevent these errors? How will you treat your data?
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- You perform a Bradford assay to determine the concentration of isolated α-lactalbumin. You use 50 μL of a two-fold diluted solution of α-lactalbumin in the assay. You generate a standard curve with the following equation for the line: y = 0.163x + 0.082. The absorbance of your sample was 0.674 AU. What is the concentration of α-lactalbumin, in mg/mL, in your sample? Give your answer to three significant figures.What non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its basic principles and general methods involved.The aliquot method was used to obtain 8 mg of a drug with a prescription balance having a sensitivity of 6 mg. A weighing error of 5% was accepted. If 140 mg of the drug was weighed, added to 2.1 g of lactose, and 120 mg of the mixture used to provide the required quantity of drug, were the calculations correct or incorrect?
- What is optical density (OD) and how is it measured? How is it related to the concentration of the analyte? And what is a colorimetric assay?What is Xanthan ? What is the importance of using Xanthan in the emulsion experiment?Can you please give me a little more detail on finding Ki? Where did the values come from? 0.23, 0.15, etc
- You will be given 1 mL of a 2.0 mg/mL solution of bovine serum albumin (BSA) and 1 mL of a 2.0 mg/mL solution of bovine gamma globulin (BGG). From these solutions, you will need to make 100 μL of each of the following standards using 1x MBP purification buffer as the diluent for preparation of a standard curve: 1000 μg/mL, 750 μg/mL, 500 μg/mL, 250 μg/mL, 125 μg/mL, and 0 μg/mL.A vial of Doxorubicin reads 0•5g per vial. Instructions say to reconstitute each 12mg with 2•5ml of NS. How many ml of NS will be needed to reconstitute the vial of the recommended concentration? please show workingExplain in details how you could separate a mixture of three amino acids Arg, Lys, and Cys using ion-exchange chromatography. For the toolbar, press ALT F10 (PC) or ALT+FN+F10 (Mac). ...
- After performing the manual Albumin assay, you get the absorbance value of 0.205 for a 4.5 g/dL albumin standard and 0.114 for control A. What is the calculated value of the control? (just write a number with one decimal, the units will be mg/dL)The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield a countable plate? How would you make this? Show your calculations. Confused as to what's implied by "which dilution"? does it mean, how many times?For the serial dilution, your stock solution must have a concentration of 3.5 mg/mL. How much diluent must be added to the 5.3 mg/mL red cell to prepare the stock solution? Show pertinent solution/s. 7. If the red cell suspension is the stock solution, what is being quantified in this test? What diluent/reactant should be used to detect your answer in number 7?