Briefly explain THREE (3) limitations of GC in analytical chemistry.

Q: with your knowledge on analytical separation and analysis, outline a suitable analytical separation…

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Q: An active ingredient has a relative molecular mass of 498. What mass of this active ingredient is…

A: The number of moles of substance present is calculated as the ratio of the given mass of the…

Q: Describe an electrochemical sensor assay method for rapid bacterial detection and identification.…

A:

Q: A wet pipette was used to transfer 10.00 mL of 1M HNO3 in the determination of ΔHrxn. [magnitude of…

A: Given: A wet pipette was used to transfer 10.00 mL of 1M HNO3 in the determination of ΔHrxn

Q: Consider the retention time of a pesticide is.13 8.5 min and the peak width at the base = 1.7 min,…

A: Given that,  The retention time of a pesticide tr = 8.5 min Peak width at the base σt  = 1.7 min…

Q: What is instrumental analysis in chemistry?

A: Analytical chemistry is the science of extracting and processing information about the composition…

Q: What can labs do to reduce error in GC- ms??

A: Gas chromatography- Mass spectrometry:  gc-ms has been used for the analysis of biological samples…

Q: What are the objectives of computational chemistry? Explain how ab initio method is different from…

A: In this problem we need to discuss the objective of computational chemistry and also the difference…

Q: Coprecipitation that involves foreign particles? a. Inclusion b. Mechanical entrapment c. Surface…

A: Co-precipitation :– The concurrent precipitation of more than one compound from an solution.…

Q: Explain the difference between a. nucleation and particle growth b. occlusion and mixed-crystal…

A: Nucleation is the step when crystal growth initiates and particle growth is the enlargement of the…

Q: from one of our neigboring countries are heavily contaminated with pesticides. Upon analysis, some…

A: WORKING OF SOLID PHASE MICROEXTRACTION :

Q: Many rivers in Ghana are affected by illegal small-scale mining. Studies have revealed extremely…

A: Before the industrial and medical purpose, polluted air must be undergone through various steps of…

Q: Collodial silver, prescribed by some medical professionals for colds and flu, is a dispersion of…

A: ppm is a measurement of concentration which can be defined as parts per million. It means that no of…

Q: Chemistry tabulate between HLC and plasma radiation sources.

A: HLC stands for hollow cathode lamp which are used in atomic absorption instruments. Plasma radiation…

Q: ive a detailed description of how these both analytical separation protocol will be employed to…

A: SOLUTION: Step 1: Nowadays, because of rapid technological development especially in developing…

Q: What are the advantages of using a multidimensional HPLC separation for the analysis of complex…

A: Since you have asked multiple questions, we will solve the first one for you. For remaining…

Q: Briefly discuss two types of GC detectors under the following headings a) Theoretical principle b)…

A: Full form of GC detector is Gas Chromatography. GC detectors are the devices which are used in the…

Q: Which of the following would result in an increase in the calculated ngas 10, assuming the rest of…

A: Number of moles is defined as the mass of the compound divided by the molar mass of the compound.

Q: Analytical Chemistry Describe the formation of plasma and its functions in ICP-MS technique

A: A plasma is essentially an ionised gas, consisting of positively-charged ions and free (unbound)…

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: 7-2: Why do quantitative and qualitative analyses often require different monochromator slit widths?

A: 7-2 The monochromator is a wavelength selector that is used to select a particular wavelength from a…

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: ОСТ 18 19 20 21 22 23 24 25 26 27 16 BJECT: RATE CONSTANT (K) RMI. 4.0x10-6 M5-1 = K, [0.60]'…

A: An equation that represents the experimentally determined rate of reaction in terms of molar…

Q: Why are the application of TGA more limited than those for DSC?

A: TGA is one of the thermogravimetric techniques. In this process changes in chemical properties and…

Q: List the desirable characteristics of HPLC detectors.

A:

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

A: We have to prepare an assignment on application of HPLC in Drug Analysis showing name, dosage form,…

Q: 7. In your own words, differentiate Intralaboratory Quality Control from Interlaboratory Quality…

A: Two questions based on tools in analytical chemistry that are to be accomplished.

Q: Vhich of these types of coprecipitation happens with greater probability when the ratio of the…

A: The type of coprecipitation happens with greater probability when the ratio of the contaminant…

Q: A gel filtration column has a radius (r) of 0.80 cm and a length (l) of 20.0 cm. Calculate the total…

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Q: In a sample digested with phosphoric acid, it was found that analysis of calcium reflects less…

A: Phosphoric acid is H3PO4 which is a triprotic acid that is dissociated to give 3 H+(aq) and…

Q: Briefly explain how cation exchange chromatography can used in protein separation?

A: Cation exchange chromatography is a form of ion exchange chromatography (IEX), which is basically…

Q: Briefly explain method validation in analytical chemistry? Discuss typical validation…

A: Answer - Analytical chemistry -  Analytical chemistry is the science of obtaining, processing, and…

Q: 6b. why doce CE have better performance than LC in separation

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Q: Explain why TLC cannot be used for some volatile low molecular weight substances such as toluene.

A: Thin layer chromatography, a thin layer is pressed over the chromatographic plate. A drop or small…

Q: How long is a microcentury, if a lecture period (50.0 min) is close to 1.00 microcentury?

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Q: Many rivers in Ghana are affected by illegal small-scale mining. Studies have revealed extremely…

A: Before the industrial and medical purpose, polluted air must be undergone through various steps of…

Q: In a 2D experiment, what is sandwiched between two evolution and detection processes? O 1.…

A:

Q: Which of the ff. process occur during co-precipitation? surface adsorption simultaneous…

A: Co precipitation is used for simultaneous precipitation of more than one component. Catalysts based…

Q: What is the detection limit of GC-FID in terms of analyzing samples such as water with oil

A: The full form of GC-FID is Gas chromatography-Flame ionization detection. Gas Chromatography is one…

Q: it has been noticed that adulteration of palmoil with carcinogenic dyes is on high.use the knowledge…

A: The adulteration of palm oil with many fat soluble azo dyes that are difficult to separate from the…

Q: Discuss three practical applications of solvent extraction in analytical chemistry

A: A question based on separation process that is to be accomplished.

Q: For each of the following statements, answer True or False and explain your answer briefly. It is…

A: Color test and micro-crystalline test are used to find the drug present in the system. Different…

Q: The chlorophyll sample contains Mg2 + ions. Briefly describe the sequencing steps to determine the…

A: Determination of magnesium ion using Erichrome Black-T as indicator: The concentration of Mg2+ ion…

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: Choose the suitable GC detector (Thermal conductivity, Flame lonization or Electron capture) which…

A: In Flame ionization detector, the organic compound are burnt in presence of hydrogen flame and…

Q: 2. Account for the versatility of thin-layer liquid chromatography.

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Q: A sample of explosives residue is dissolved in an appropriate solvent and is injected into HPLC. The…

A: Introduction: Chromatography is a technique used to separate the mixture if solution. There are two…

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…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.