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I applied via Recruitment Consultant and was interviewed in Oct 2018. There were 3 interview rounds.
GC and HPLC troubleshooting involves identifying and resolving issues with the instruments and their components.
Check for leaks in the system
Verify proper calibration of detectors
Inspect and clean columns
Ensure proper sample preparation
Check for proper flow rates and pressures
Verify proper functioning of pumps and valves
Top trending discussions
I applied via Referral and was interviewed before Jan 2020. There was 1 interview round.
Various instruments are used in QC such as HPLC, GC, UV-Vis spectrophotometer, FTIR, etc.
High Performance Liquid Chromatography (HPLC)
Gas Chromatography (GC)
Ultraviolet-Visible (UV-Vis) Spectrophotometer
Fourier Transform Infrared (FTIR) Spectrometer
Atomic Absorption Spectrophotometer (AAS)
Karl Fischer Titrator
pH Meter
Viscometer
Melting Point Apparatus
Refractometer
Instruments that require daily and monthly calibration depend on the type of instrument and its usage.
Instruments used for critical measurements such as pH meters, balances, and thermometers require daily calibration.
Instruments used for less critical measurements such as pipettes and spectrophotometers require monthly calibration.
Calibration frequency also depends on the frequency of use and the manufacturer's recomme...
Calibration of GC is a process of adjusting the instrument to ensure accurate and precise measurements.
Calibration should be performed regularly to maintain accuracy.
The process involves comparing the instrument's readings to known standards.
Adjustments are made to the instrument's settings to match the known standards.
Documentation of calibration should be kept for quality control purposes.
Examples of standards used f...
GC troubleshooting involves identifying and resolving issues with the gas chromatography system.
Check for leaks in the system
Verify the column is properly installed and conditioned
Ensure the detector is functioning correctly
Calibrate the instrument regularly
Check for contamination in the sample or column
Inspect the inlet liner and septum for damage or buildup
Review the method parameters for accuracy and precision
I applied via Newspaper Ad and was interviewed in Apr 2022. There were 4 interview rounds.
GC stands for Gas Chromatography. The principle of GC is based on the separation of components of a mixture by their distribution between a stationary phase and a mobile phase.
GC separates components of a mixture based on their boiling points and affinity for the stationary phase
The stationary phase is a solid or liquid coating on the inside of a column
The mobile phase is a gas that carries the sample through the colum...
HPLC stands for High Performance Liquid Chromatography. Its principle is based on the separation of components in a mixture using a stationary phase and a mobile phase.
HPLC separates components in a mixture based on their interaction with a stationary phase and a mobile phase
The stationary phase is a solid or liquid material that is packed into a column
The mobile phase is a liquid or gas that carries the sample through...
I applied via Recruitment Consulltant and was interviewed in Aug 2022. There were 3 interview rounds.
Give a question paper and filing the question answer
I applied via Naukri.com and was interviewed in Sep 2019. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Jun 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed before Aug 2020. There was 1 interview round.
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Vinati Organics
Atul
SRF
Fine Organic Industries