Categorize each as a determinate or an indeterminate error and further classify determinate errors as instrumental, method or personal.d) The tip of the pipet used in the analysis is broken. e) In measuring the same peak heights of a chromatogram, two technician each report different heights.

Q: One microliter of 0.20 μg/mL0.20 μg/mL benzene is injected into a gas chromatograph using splitless…

A:

Q: two chromatograms after LC separation. Which chromatogram is better to proceed for MS analysis? What…

A: LCMS is Liquid chromatography–mass spectrometry used  for separation, identification and percentage…

Q: [2] How might a better chromatographic separation of solutes be accomplished? [3] What would happen…

A: Chromatography is one of the most important techniques that is used analytical techniques. It is…

Q: Table 2. Multiple Extraction of Caffeine Percent Caffeine (%w/w) Trial No. Mass Sample (g) Mass…

A: Percentage by weight %w/w     %w/w=Mass of component Mass of same×100%Then,Trial No.1-…

Q: I'm not sure how to approach this problem because the ruler on the chromatogram starts at 2.

A: Rf value in chromatography, is the ratio of distance travelled by solute to distance travelled by…

Q: Retention Time Area of Peak % of Total Identity Component 1 Component 2 Component 3

A: Given data:

Q: 2. Several standards were chromatographed, 0.5 1.0 2.0 Conc (ug/ml) Peak area 5.0 10.1 17.2 and the…

A: The graph is to be plot by taking concentration(μg/mL) in X-axis and peak area in Y-axis.

Q: What is the purpose of adding two drops of acetic acid in thin layer chromatography of plant…

A: Thin layer chromatography (TLC) is a type of chromatography used to separate and identify the…

Q: 4. On a 20 cm paper chromatography plate, an analyte was spotted 1 cm from the bottom edge. The…

A:

Q: Types of Error; Propagation of Uncertainty from Random Error You prepare an NH3 [FM 17.030 5 (±0.000…

A: Given: NH3 [FM 17.030 5 (±0.000 2)] 7.36 (±0.03) mL of a 28.00 (±0.05) wt% NH3 solution  final…

Q: 3. Internal Standard. A solution containing 3.47 mM X (analyte) and 1.72 mM S (standard) gave peak…

A: Response factor is obtained from are of analyte peak and standard peak and concentration of analyte…

Q: Calculate the resolution between peaks A and B and between peaks D peak E. Make sure your answers…

A: a. To calculate the resolution of 2 peaks from one another.     This is given by the formula:…

Q: You are analyzing a forensic sample for the presence of controlled substances using HPLC. Which of…

A: Detector is given.

Q: You have a stock solution certified by a manufacturer to contain 225.0 ± 0.4 ug SO-/mL. You would…

A: Method A: Dilute 10.00 mL upto 100 mL with a transfer pipet and volumetric flask. Then take 10.00 mL…

Q: Red, blue, and yellow spots were found in the chromatogram. Red spot traveled twice the distance…

A:

Q: Give examples of sample analyte in a matrix.

A: Please find your solution below : In chemical analysis in analytical chemistry, matrix is defined as…

Q: 1. Replicate water samples are analyzed for water hardness with the following results: 102.2, 102.8,…

A: Q1) # Hardness ppm Deviation from mean Square of deviation 1 102.2 0.4 0.16 2 102.8 0.2 0.04…

Q: Test tube 1 contain hexane, test tube 2 contains fluorene, test tube 3 contains Fluorenone On the…

A: The Rf (retention factor) value in chromatography is related to the polarity of the compound. The Rf…

Q: Solvent Front Highest point of the dye Lowest point of the dye Rf Value Baseline Chromatogram A 15.0…

A:

Q: Swer sections C, D and E in the same answer book. ction D (Chromatography) The following data were…

A: N = 1757.286 K' = 9.285 RS = 1.578

Q: Which of the following statements about a gas chromatogram is correct? O Tailing indicates that the…

A: A question based on analytical separations that is to be accomplished.

Q: What type of components /mixtures can be separated by chromatography

A: Chromatography is a method which usually separate components of a homogeneous mixture based on the…

Q: A GC detector that ionizes each components of the sample and the mass is repeatedly scanned during…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: liquid

A: ✓Eluent is the portion of the mobile phase, which carries the sample components with it. In liquid…

Q: Effect of this error in chromatographic work: Too much sample is applied to the paper.

A: Answer - chromatography - Chromatography is a laboratory technique for the separation of a mixture.…

Q: 2. A chromatographic column is eluted with a solution containing a mixture of two components, X and…

A: The order of elution of different components in a mixture in a chromatographic column, is determined…

Q: Thereproducibility of replicate measurements may be expressed by: 1. ORelative error 2. OAbsolute…

A: A multiple choice question based on statistical analysis, which is to be accomplished.

Q: A quality control (QC) sample was run in replicates of six to produce the following concentrations…

A:

Q: How does the chromatogram change when methanol:water (90:10) is used as the mobile phase compared to…

A: Mobile phase is the fluid (liquid or gas) that usually flows through the chromatography system. It…

Q: D X F C E F Figure 1. Paper Chromatogram Pigments X F E Rf Values 0.15 0.32 --

A: C is called  TLC plate or Thin Layer Chromatography plate.

Q: The reproducibility of replicate measurements may be expressed by: 1. ORelative error 2. O Absolute…

A: Reproducibility may be referred as reliability or degree of stability as per data when repeated…

Q: Y 10 11 12 13 14 Tim e (min) O A. 1234 O B. 2116 O C. 1102 O D. 1936 O E. 1488 Instrument response…

A:

Q: hich of the following components cannot be detected by gas chromatography? h) Volatile compounds

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Matt weighed a crucible three times and calculated a mean mass of 12.3453 g with a standard…

A: Given information:Mean mass of crucible weighed by Matt = 12.3453 gStandard deviation = 0.0002 gMean…

Q: which method generally separates greater masses of sample? a) high performance liquid chromatography…

A: Different methods are employed to separate the component in a given sample.  Examples-  thin layer…

Q: For a concentration technique, Stotal is given as 19.31 ± 0.035, Smb is 0.22 ± 0.008, and kA is…

A: We will choose the false statement answer for the above question.

Q: 1. What would be the effect of the following errors in chromatographic work? a) The solvent level in…

A: Thin layer chromatography (TLC) is a method of separating components of the mixture. it is based on…

Q: _is a technique which is used to separate a single chemical 3. compound from a mixture dissolved in…

A: Chromatography can be defined as the technique used for separating mixtures with the help of a…

Q: A chromatogram exhibited three peaks for the compounds A, B, and Cat 14.8, 15.5, and 16.2 minutes,…

A: Chromatography is a method by which a mixture is separated by distributing its components between…

Q: Consider the following gas chromatography data. Calibration Analysis area of standard 23849 area of…

A: The formula used to find response factor is: Signalanalyte[Analyte] = F * Signalstandard[Standard]

Q: What is the %composition of the Vitamin E peak in the sample? 20.01% 21.57%

A: To calculate % composition of vitamin E in the sample.

Q: 5.) The literature value for the Ksp of lead(II) chromate is 2.8 x 10 13. Calculate the percent…

A:

Q: Internal standard. A solution containing 3.47 mM X (analyte) and 1.72 mM S (standard) gave peak…

A: (a) Calculate the response factor for X: Response factor=Area of analyte peak/Concentration of…

Q: Analysis of an unknown plant extract yield two peaks X and Y in a chromatogram, 15.65 and 17.03 min…

A: Two peaks X and Y in a chromatogram yields in 15.65 and 17.03 min respectively in a 30 cm column.…

Q: This is the graph for gel filtration chromatography. Can you please explain why the graph has the…

A: Gel filtration chromatography is a variant of size exclusion chromatography that can be employed to…