Write the names of four main GC detectors (titles only). Which one of these detectors is used on its own as a specific and separate characterization method?

Q: Which sentence is false about gravimetric analysis? a. It is used for inorganic b. It is used to…

A: The statement which is false about gravimetric analysis is, Relative precision 3% to 4%

Q: Given your choice of Flame AA, ICP-AE, XRF, EI-MS, or none of these, and keeping in mind that cost…

A: The function of Flame AA  is to detects the metal present in a sample. The function of ICP-AE is to…

Q: already took

A: Dear student this question is related to Mathematical errors in chemistry.

Q: Identify the % recovery in Sample A from this particular data set under recovery study? Ca2* added…

A: To calculate % recovery in sample A from the given data set.

Q: Which of the following are necessary steps in performing paper chromatography?    I. Saturate the…

A: In paper chromatography the necessary conditions are 1. The chamber should be saturated with the…

Q: kindly prepare an assignment on Application of HPLC in Drug Analysis: one page show name of the…

A: In high-performance liquid chromatography (HPLC) we inject the sample, which is in solution form,…

Q: 3. a. Briefly explain why internal standardization method is useful in analytical chemistry?

A: A)  Internal standards are widely used in chromatography because of differences in the…

Q: Which of the following best describes the application of flow analysis? O a Asample is injected into…

A: The flow injection method was developed by Ruzicka and Hansen in Denmark in the mid-1970. This is a…

Q: David is in dilemma to choose a suitable chromatographic detector for gas chromatography analysis.…

A: The detector which detects the pesticide content in vegetables has to be given and the two…

Q: In another chromatography experiment, pure chemical “A” leaves a yellow spot with an Rf = 0.49 and…

A:

Q: Mass Spectrum 120 100 80 24 41 56 57 10 15 20 25 30 35 40 45 50 55 60 65 70 m/z Relative Intensity

A:

Q: 1. You wish to determine the %concentration of a stock solution of brilliant blue FCF…

A: Let's say that the molar concentration of stock solution be 'X M'.

Q: To minimize systematic errors in the separation using TLC, which of the following factors should be…

A: TLC is thin layer chromatography and used for separation and identification

Q: . Describe volumetric quantitative analytical methods.

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: Explain two separation techniques how may be feasible for H2O vs Ethanol. One can be an industrial…

A: Separating alcohol from water may be done in a number of different ways. Heating the mixed liquid is…

Q: systematic

A: The separation of compounds under the influence of the mobile phase and the stationary phase is…

Q: (b) Based on the performance and validation methods, explain the distinctions between the two terms…

A: Interpretation - As you already mentioned in the question that you want answer only  question iii,…

Q: 1) To estimate the accuracy and precision of the method of determination of glucose in a blo sample,…

A: Accuracy can be defined as how  close the reading is to actual reading . It can  be measured by…

Q: Chemistry Yes or No: Topic - HPLC 1.We need the void time so that we have a measure of the retention…

A: Concepts of HPLC.

Q: In analytical chemistry, when and why do we do representative sampling? How can you apply this…

A: A question based on analytical chemistry, which is to be accomplished.

Q: Write the names of four main GC detectors (titles only). Which one of these detecte used on its own…

A: Four main GC detectors are 1. Flame ionisation detector (FID) 2.Thermal conductivity detector (TCD)…

Q: Does not have the same composition throughout, its components are not uniformly distributed and can…

A: Different separation techniques are used based on the type of materials to be removed.

Q: Based on the different chromatographic techniques that you have learned, provide a method or…

A: Firstly for dioxin analysis,this involves liquid -liquid extraction method followed by pre…

Q: 1. What are the advantages and relevance of performing the following in a chemical pathology lab? i.…

A: A blank solution is a solution containing little to no analyte of interest,  usually used to…

Q: The labware we used in Quant Lab is divided into “qualitative” or “quantitative” analytical purpose.…

A: The glassware used in the lab are divided into 2 types that is qualitative and quantitative. As it…

Q: Gas Chromatography (GC) is one of the useful techniques in analytical chemistry. Give two important…

A: It is one of the most convenient technique for the analysis and separation purposes of molecules in…

Q: In analytical chemistry, when and why do we do representative sampling?

A: Representative sample is defined as the small portion of the overall sample to determine the…

Q: . Column resolution is an indicator to identify the selectivities and efficiencies of the column…

A: Gas chromatography can be performed only in columns.

Q: Two different methods were investigated for Cu2+ detection in water sample and both methods…

A: To choose the correct option:

Q: Which of the following chromatographic methods cannot use a mixture of liquid solvents (eluents)…

A: Chromatographic separation porocess and eluent for chromatographic separation.

Q: All of the following are classified as an instrumental method of analysis EXCEPT:   A.…

A: The analysis in which we rely on the instrument is called as instrumental method of analysis.

Q: a) Compounds with low boiling points tend to spend less time in the gaseous state than compounds…

A: The questions are based on the concept of gas chromatography. it is an instrumental technique of…

Q: With your knowledge on analytical separation and analyses, outline a suitable analytical separation…

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Q: A little change creates a big response reproducibility Sensitivity Selectivity Detection limit

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Q: (b) Based on the performance and validation methods, explain the distinctions between the two tems…

A: ANSWER (b) (i) Linearity , is the property of a mathematical relationship (function) that can be…

Q: Why are some of the detectors listed unsuitable for HPLC? Which of the GC detectors ) in the table…

A: The function of detectors used in high-performance liquid chromatography is to monitor the mobile…

Q: 6. Explain the instrumentation of super critical fluid chromatography in detail. You can construct a…

A: Super critical fluid chromatography -…

Q: Among the requirements for a substance to be a primary standard is low hygroscopicity. A) True False

A: True.  Primary Standard should not absorb moisture from air. A substance that absorb or adsorb water…

Q: two different students on two different days perform the paper chromatography experiement using the…

A: Paper chromatography is a separation technique for resolving the mixture of dissolved analytes by…

Q: Which statement(s) are correct for gas chromatography? A) the components in a mixture can be…

A: To find, the true statement form the below, A) the components in a mixture can be identified from…

Q: 4. Enumerate the differences between a serological and a volumetric pipette. 5. Enumerate the uses,…

A: Pipettes are one of the most important instruments in the analytical measurements that help us in…

Q: Categorize each as a determinate or an indeterminate error and further classify determinate errors…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: B. Enumerate (3) three separation techniques and give examples for each.

A: Since you have asked multiple question, according to our company guidelines we will solve the first…

Q: (b) Based on the performance and validation methods, explain the distinctions between the two terms…

A:

Q: 3. Calculate the percent purity of compound X using D and E as recrystallization solvent. % purity =…

A: Given values : Option B is correct answer

Q: In a reversed phase liquid chromatography separation, what trend in k’ (capacity factor), α…

A: The effect of solvent system on the capacity factor, selectivity and resolution in reverse phase…

Q: .Dscribe The History of Forensic Chemistry? 3.Enumerate and discuss the functions of forensic…

A: 1. The history of Forensic Chemistry : Forensic chemistry is the use of chemical sciences or…

Q: What is the advantage of microwave ashing and microwave digestion in sample preparation prior…

A: These both methods are the advanced methods to which the sample is subjected prior instrumental…