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Molarity, molality, and normality are measures of concentration in chemistry. UV range refers to the range of ultraviolet light.
Molarity is the number of moles of solute per liter of solution.
Molality is the number of moles of solute per kilogram of solvent.
Normality is the number of equivalents of solute per liter of solution.
UV range refers to the range of wavelengths of ultraviolet light, typically between 10 and 40
HPLC is a technique used to separate, identify, and quantify components in a mixture based on their interaction with a stationary phase and mobile phase.
HPLC stands for High-Performance Liquid Chromatography.
The principle of HPLC involves the separation of components in a mixture based on their affinity for the stationary phase and mobile phase.
The instrumentation of HPLC includes a pump to deliver the mobile phase, a ...
GC stands for Gas Chromatography, a principle and instrumentation used for separating and analyzing volatile compounds.
GC is a technique used in analytical chemistry to separate and identify components of a mixture.
It involves injecting a sample into a gas chromatograph, which vaporizes the sample and carries it through a column.
The column contains a stationary phase that interacts with the sample components, causing t...
UV spectroscopy is a technique that uses ultraviolet light to analyze the chemical composition of substances.
UV spectroscopy is based on the principle that molecules absorb ultraviolet light at specific wavelengths.
The Beer-Lambert law relates the concentration of a substance to the amount of light it absorbs.
UV spectroscopy is commonly used in pharmaceutical, environmental, and forensic analysis.
It is used to determin...
I applied via Monster and was interviewed before Sep 2019. There were 3 interview rounds.
I worked as a Quality Analyst at XYZ Company for 2 years.
Conducted quality assurance testing on software applications
Identified and reported bugs and issues to development team
Collaborated with stakeholders to ensure product met quality standards
There are three types of validations: front-end, back-end, and database. Each type requires a different approach.
Front-end validation is done on the client-side and checks for user input errors before submitting the form.
Back-end validation is done on the server-side and checks for errors in the data submitted by the user.
Database validation checks for data integrity and consistency in the database.
Handling of validati...
Calibration of instruments is a crucial process to ensure accuracy and reliability of measurements.
Calibration involves comparing the measurements of an instrument to a known standard.
It helps in identifying and correcting any deviations or errors in the instrument's readings.
Calibration ensures that the instrument is performing within acceptable limits and provides accurate results.
It is necessary to calibrate instrum...
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posted on 9 Mar 2022
Standard Operating Procedures are documented instructions for performing a task or process consistently and efficiently.
SOPs ensure consistency and quality in work processes
They provide a clear understanding of roles and responsibilities
SOPs help in training new employees
They are essential for compliance with regulations and standards
Examples include SOPs for manufacturing, laboratory testing, and customer service
posted on 26 Jan 2023
I applied via Walk-in and was interviewed in Dec 2022. There were 3 interview rounds.
According to the field they ask questions like Chromatography, Spectroscopy etc and general introduction
They give us topic and said to discuss and give some wings for that topic
posted on 24 Jan 2021
I applied via Walk-in and was interviewed before Jan 2020. There was 1 interview round.
Data integrity refers to the accuracy, consistency, and reliability of data throughout its lifecycle.
Data integrity ensures that data remains unchanged and reliable over time.
It involves maintaining the accuracy and consistency of data during storage, processing, and transmission.
Data integrity can be achieved through various measures such as checksums, encryption, and access controls.
Examples of data integrity issues ...
CAPA stands for Corrective and Preventive Action.
CAPA is a systematic approach to identify, investigate, and resolve quality issues.
It involves analyzing the root cause of the problem and implementing corrective actions to prevent recurrence.
CAPA is commonly used in industries such as manufacturing, pharmaceuticals, and healthcare.
Examples of CAPA tools and techniques include 5 Whys, Fishbone Diagrams, and Pareto Analy
Calibration is required to ensure accuracy and consistency of measurements and equipment.
Calibration helps to maintain the quality of products and services.
It ensures that measurements are accurate and consistent, reducing errors and improving efficiency.
Calibration is necessary for compliance with industry standards and regulations.
Examples of equipment that require calibration include scales, thermometers, and medica...
I would clarify the reason behind the request and discuss any potential impact on the analysis.
Ask for clarification on the reason for skipping the step
Discuss any potential impact on the analysis
Provide alternative solutions if possible
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.
Chromatography is a technique used to separate and analyze mixtures of chemicals based on their properties.
Types of chromatography include gas chromatography, liquid chromatography, ion exchange chromatography, and affinity chromatography.
Gas chromatography separates compounds based on their volatility and interactions with a stationary phase.
Liquid chromatography separates compounds based on their affinity for the mob...
Troubleshooting of HPLC and GC involves identifying and resolving issues with the equipment to ensure accurate results.
Perform regular maintenance checks on the equipment to prevent issues
Calibrate the instruments regularly to maintain accuracy
Check for leaks, blockages, or contamination in the system
Verify the integrity of columns and detectors
Review method parameters and conditions for any errors or inconsistencies
Types of titration include acid-base titration, redox titration, complexometric titration, and precipitation titration.
Acid-base titration involves the neutralization of an acid with a base or vice versa.
Redox titration involves a redox reaction between the analyte and titrant.
Complexometric titration involves the formation of a complex between the analyte and titrant.
Precipitation titration involves the formation of a
Types of HPLC columns include reverse phase, normal phase, ion exchange, size exclusion, and affinity. Types of GC columns include packed, capillary, and micro-packed columns.
HPLC columns: reverse phase, normal phase, ion exchange, size exclusion, affinity
GC columns: packed, capillary, micro-packed
I applied via Company Website and was interviewed before Aug 2020. There was 1 interview round.
I applied via Referral and was interviewed in Jul 2021. There were 4 interview rounds.
pH is a measure of acidity or alkalinity of a solution. It is measured on a scale of 0 to 14.
pH stands for 'potential of Hydrogen'
It is a measure of the concentration of hydrogen ions in a solution
A pH of 7 is considered neutral, below 7 is acidic, and above 7 is alkaline
pH can be measured using pH meters, pH paper/strips, or pH indicators
Calibration ensures accuracy of instruments by comparing measurements to a known standard.
Calibration is the process of adjusting an instrument to ensure its measurements are accurate.
Principles of instruments include accuracy, precision, repeatability, and reproducibility.
Examples of calibrated instruments include thermometers, scales, and pressure gauges.
Investigation tools are used to analyze data and identify issues in software development.
Common investigation tools include debuggers, profilers, and log analyzers.
Debuggers help identify and fix coding errors by allowing developers to step through code and inspect variables.
Profilers analyze the performance of code, identifying bottlenecks and areas for optimization.
Log analyzers parse and analyze log files to identif...
I applied via Company Website and was interviewed in Mar 2021. There was 1 interview round.
Some of the top questions asked at the Biocon Limited Quality Analyst interview -
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