This pre-analytical variable can have an effect on chemistry tests which are read visually by spectrophotometry: Question 8 options: all answers are correct icterus lipemia hemolysis
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This pre-analytical variable can have an effect on chemistry tests which are read visually by spectrophotometry:
Question 8 options:
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all answers are correct |
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icterus |
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lipemia |
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hemolysis |
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- Highest concentration of dye Lowest concentration of dye Answer Bank 3.0 mL dye and 3.0 mL water 2.0 mL dye and 6.0 mL water 2.0 mL dye and 0.0 mL water 20 µM dye solution 6.0 mL dye and 2.0 mL waterWhat is a possible testable question (in correct format) That Mrs love might ask for this Sanrio?Q29 Kindly solve this question correctly in 30 minutes and get the thumbs up please show me neat and clean work for Kindly provide correct solution
- A water sample was analyzed for iron content using the iron-phenanthroline method. Using the set of data from Question 15 (as presented below), Reagent Blank Absorbance Absorbance (au) Reagent Blank Absorbance 0.003 Concentration of Stock Solution: 10 ppm Volume of Stock Solution (mL) Total Volume of Standard Solution (mL) 0.50 10.00 1.00 10.00 2.00 10.00 3.00 10.00 4.00 10.00 5.00 10.00 Volume of Trial Unknown Solution (mL) 1 5.00 2 5.00 3 5.00 find the true concentration of Fe2+ of the original sample. A) 5.12 ppm B) 2.56 ppm 2.52 ppm D) 5.05 ppm Concentration of Standard Solution (ppm) Total Volume of Unknown Solution (mL) 10.00 10.00 10.00 Absorbance (au) 0.012 0.132 0.267 0.349 0.428 0.560 Absorbance (au) 0.289 0.296 0.281Glucose levels are routinely monitored in patients suffering from diabetes. The glucose concentrations in a patient with mildly elevated glucose levels were determined in different months by a spectrophotometric analytical method. What is the mode of the glucose concentration on Month 2? Time Glucose Concentration (mg/mL) 1108, 1122, 1075, 1099, 1115, Month 1 1083, 1100 Month2 992, 975, 1022, 1001, 991 Month 3 788, 805, 779, 822, 800 Month 4 799, 745, 750, 774, 777, 800, 758 992 mg/L 996 mg/L 101 mg/L O None of theseUsing SCH4U/grade 12 chemistry knowledge answer the question.
- What is the schematic diagram of the assay sodium chlorideThe spectroscopic data in the table is generated with five solutions of known concentration. Concentration (M) 0.0133 m= 0.0266 0.0532 0.106 0.213 Absorbance 0.1271 What is the intercept of the linear regression line? 0.08531 0.5388 1.069 Use a spreadsheet program, such as Microsoft Excel, to graph the data points and determine the equation of the best-fit line. 1.954 What is the slope of the linear regression line formed by these points? M-1Use the calibration curve or linear regression equation to determine the concentration of FD&C blue dye No. 1 in Kool-aid. Food Coloring is 0.026 M in FD&C blue dye No. 1 7.5 x 10 -5 M is 29 mL -> 1000 mL