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Reverse phase HPLC is a chromatographic technique used to separate non-polar compounds based on their hydrophobicity.
Reverse phase HPLC uses a non-polar stationary phase and a polar mobile phase.
Non-polar compounds elute first, while polar compounds are retained longer.
It is commonly used in pharmaceutical analysis to determine drug purity and impurities.
Example: Separation of a mixture of non-polar drugs like benzodia
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
Liqid, injection ,capsule
I applied via Company Website and was interviewed in Dec 2021. There was 1 interview round.
I applied via Walk-in and was interviewed in May 2023. There were 2 interview rounds.
I applied via AmbitionBox and was interviewed in Sep 2023. There were 2 interview rounds.
Instrumentation basics refer to the fundamental principles and components of analytical instruments used in chemical analysis.
Instrumentation basics involve understanding the principles of operation of various analytical instruments such as spectrophotometers, chromatographs, and mass spectrometers.
It includes knowledge of the components of these instruments, such as detectors, sample introduction systems, and data acq...
Instrumentation skills refer to the ability to operate and troubleshoot various laboratory instruments used for analysis.
Knowledge of different types of analytical instruments such as HPLC, GC-MS, FTIR, UV-Vis spectrophotometer
Ability to calibrate instruments and perform routine maintenance
Troubleshooting skills to identify and resolve instrument issues
Understanding of data analysis software used in conjunction with in...
The 3 elements of industrial instrumentation are sensors, transmitters, and controllers.
Sensors are used to measure physical properties such as temperature, pressure, flow, and level.
Transmitters convert the sensor signals into a standardized output signal for further processing.
Controllers receive the standardized signal from transmitters and make adjustments to maintain desired process conditions.
Example: A temperatu...
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
The process of mixing spatches involves several steps to ensure uniform distribution of ingredients.
The first step is to accurately measure the required amounts of each ingredient.
Next, the ingredients are mixed together using a suitable mixing equipment such as a blender or mixer.
The mixture is then homogenized to ensure uniform distribution of the ingredients.
Finally, the mixed spatches are tested for quality and con...
posted on 16 Oct 2021
Acid/base names are important in chemistry. Can you name 5?
Acid: HCl (hydrochloric acid)
Base: NaOH (sodium hydroxide)
Acid: H2SO4 (sulfuric acid)
Base: NH3 (ammonia)
Acid: HNO3 (nitric acid)
I applied via Company Website and was interviewed in Jan 2022. There were 3 interview rounds.
I worked as a QC Chemist at XYZ Pharmaceuticals.
Performed quality control tests on raw materials, intermediates, and finished products.
Conducted analytical testing using various techniques such as HPLC, GC, and FTIR.
Maintained accurate records of test results and prepared reports.
Collaborated with cross-functional teams to investigate and resolve any quality issues.
Ensured compliance with regulatory guidelines and comp...
I expect a competitive salary based on my qualifications and experience.
Research the average salary range for QC Chemists in your area
Consider your level of experience and education
Factor in any additional skills or certifications you possess
Be prepared to negotiate and discuss benefits package
My family background is diverse and has influenced my values and work ethic.
My parents are both professionals in the medical field, which has inspired my interest in chemistry and quality control.
I come from a close-knit family that values education and hard work.
My grandparents were immigrants, and their stories of perseverance have shaped my determination and resilience.
I have siblings who are also pursuing careers i...
My strengths include attention to detail, analytical thinking, and strong problem-solving skills. My weaknesses include being overly critical of my own work and sometimes struggling with time management.
Strength: Attention to detail - I have a keen eye for detail and can easily spot errors or inconsistencies in data or test results.
Strength: Analytical thinking - I am able to analyze complex data and draw meaningful co...
I am a QC Chemist with a strong background in analytical chemistry and quality control.
I have a Bachelor's degree in Chemistry and have been working in the field for 5 years.
I am experienced in operating and maintaining analytical instruments such as HPLC, GC, and spectrophotometers.
I have a thorough understanding of Good Laboratory Practices (GLP) and regulatory requirements.
I have successfully developed and validated...
Titration
I applied via Recruitment Consulltant and was interviewed before Mar 2021. There were 5 interview rounds.
Karl Fischer process is a method for measuring moisture content in a sample.
Karl Fischer process is widely used in the pharmaceutical, chemical, and food industries.
It involves the reaction between water and iodine in the presence of sulfur dioxide.
The amount of iodine consumed in the reaction is proportional to the moisture content.
The process can be performed using volumetric or coulometric titration.
It is a sensitiv...
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posted on 12 Sep 2022
I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.
based on 3 reviews
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