FICCI Research & Analysis Centre Analyst Interview Questions and Answers

Determining pesticides in food samples requires specialized analytical techniques and equipment.

• Analytical techniques such as gas chromatography and mass spectrometry are commonly used to detect and quantify pesticides in food samples.

• Sample preparation is a critical step in the analysis of pesticides in food samples, as it can affect the accuracy and precision of the results.

• Regulatory agencies such as the FDA and EPA...read more

Glyphosate determination involves various analytical techniques to detect and quantify the herbicide in different matrices.

• Analytical techniques include chromatography, mass spectrometry, and immunoassays

• Sample preparation is crucial for accurate determination

• Glyphosate can be detected in food, water, soil, and biological samples

• Regulatory limits for glyphosate residues in food and water have been established by variou...read more

LC-MS/MS is a technique used for the identification and quantification of small molecules in complex samples. Method validation ensures accuracy and precision of the results.

• LC-MS/MS combines liquid chromatography and mass spectrometry to separate and detect molecules in a sample

• Method validation involves testing the accuracy, precision, specificity, and sensitivity of the analytical method

• Validation parameters include...read more

PGR sample determination involves selecting appropriate plant tissues and using appropriate methods for extraction and analysis.

• Select plant tissues based on the type of analysis required

• Use appropriate extraction methods such as homogenization or solvent extraction

• Analyze the extracted sample using techniques such as ELISA or PCR

• Ensure proper storage and handling of samples to prevent degradation

Nitrofurons in fish can be determined through various analytical methods.

• Analytical methods such as HPLC, LC-MS/MS, and GC-MS can be used to determine nitrofurons in fish.

• Sample preparation techniques such as solid-phase extraction and QuEChERS can be used to extract nitrofurons from fish tissue.

• The detection limit for nitrofurons in fish can vary depending on the analytical method used.

• Regulatory agencies such as the ...read more

Determination of dithiocarbomates in agricultural sample

• Use liquid chromatography-mass spectrometry (LC-MS) for analysis

• Sample preparation involves extraction with organic solvents

• Derivatization with a reagent like 2-mercaptobenzothiazole may be necessary

• Quantification can be done using external or internal standards

• Dithiocarbomates are commonly used as fungicides and pesticides in agriculture

Aflatoxin in food can be determined through various methods such as ELISA, HPLC, and LC-MS/MS.

• Aflatoxin is a toxic substance produced by certain molds that can contaminate food products.

• ELISA (enzyme-linked immunosorbent assay) is a common method for detecting aflatoxin in food samples.

• HPLC (high-performance liquid chromatography) and LC-MS/MS (liquid chromatography-tandem mass spectrometry) are also used for aflatoxin...read more

Melamine in milk and milk products can be determined using various analytical techniques.

• High-performance liquid chromatography (HPLC) is a commonly used method for melamine detection.

• Enzyme-linked immunosorbent assay (ELISA) is another method used for melamine detection.

• Gas chromatography-mass spectrometry (GC-MS) can also be used for melamine detection.

• Sample preparation is an important step in melamine detection, in...read more