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- What are the advantages and disadvantages of volumetric and gravimetric analysis?The 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-1What is the difference between a primary and a secondary standard? Give an example of each.
- OD 450 Concentrations 0.105 0 0.144 3.06 0.406 31.9 1.233 108 1.909 209 Construct a calibration curve y=mxAaBbCcDd AaBbCcDd AaBbC AaBbCct AaB AaBbCcD 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle 1 Styles Name HHHHH ||||| H-C-C=C-C-C-H | H || HH Name H H-C-H C=C F -H —H H C 1 B. H H Name H H H H1C C H Η Η Η Η Η Η | | | | | | H-C₁-C₂-C₂-C-C-C-H II HH H H-C-H H -H y Find ✓ Replace Select Editing 14°C Cloudy A Dictate Voice F FooAnalytical chemistry is a particular field within the broader spectrum of the chemical sciences, in which many times the focus of analytical experiments is to develop new methods to analyze compounds, either structurally or by determining concentrations of compounds. One of the processes analytical chemists use to determine the exact concentration of a working solution is called standardization. In your own words, describe the differences between a primary, secondary, and tertiary standard, and describe the underlying concept behind the standardization process. Why is it done?
- Use 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 mLYou work in a research organization that is looking for markers of various diseases that can be used as a diagnostic for the disease. It has been reported in the past that high levels of Cu are found in the sweat of people with cystic fibrosis. One of the research projects is focused on looking for high levels of Cu in samples that can be obtained non-invasively such as saliva, sweat, hair, nails, etc. The lab will analyze large samples for Cu. What instrument would you recommend purchasing to support this work, Atomic absorption spectrophotometer or an inductively coupled plasma atomic spectrophotometer? Explain the basis for your decision.if we want to prepare acertizen tablet each tablet contain 10mg of drug and the equation for calibration curve of acertizen is y= 0.035x + 0.0148 absorbance 1 = 0.323 absorbance 2 = 0.406 the concentration of drug in absorbance 2 in mg /900ml Choose... + the percentage of drug Choose... release in abs2 the percentage of drug release in abs1 Choose... + the concentration of Choose... + absorbance 1 in mg /900ml the concentration of absorbance 2 in microgram Choose... /ml
