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Zydus Lifesciences
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I applied via Walk-in and was interviewed in Nov 2023. There was 1 interview round.
I applied via Walk-in and was interviewed in Oct 2023. There was 1 interview round.
UV spectroscopy is a technique that uses ultraviolet light to measure the absorption or transmission of light by a sample.
UV spectroscopy is commonly used in chemistry and biochemistry to analyze the structure and purity of molecules.
It can be used to determine the concentration of a substance in a sample.
UV spectroscopy can also be used to study the kinetics of chemical reactions.
The working theory behind UV spectrosc...
I applied via Walk-in and was interviewed before Mar 2023. There was 1 interview round.
Distillation is a process of separating components of a liquid mixture based on differences in boiling points.
Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to collect the separated components.
Types of distillation include simple distillation, fractional distillation, and steam distillation.
Simple distillation is used for separating components with significantly different boili...
Heat transfer can occur through conduction, convection, or radiation.
Conduction is the transfer of heat through direct contact between materials, such as a metal spoon heating up in a hot drink.
Convection is the transfer of heat through the movement of fluids, such as boiling water in a pot.
Radiation is the transfer of heat through electromagnetic waves, such as the heat from the sun reaching the Earth.
Different types of agitators in reactors include paddle, anchor, turbine, and propeller. Each agitator provides a different type of flow such as axial, radial, or tangential flow.
Types of agitators include paddle, anchor, turbine, and propeller
Paddle agitators provide axial flow
Anchor agitators provide radial flow
Turbine agitators provide both axial and radial flow
Propeller agitators provide tangential flow
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Defects in tablet troubleshooting involve identifying and resolving issues with hardware, software, and user error.
Identify hardware issues such as faulty batteries or broken screens
Troubleshoot software problems such as app crashes or slow performance
Address user errors such as incorrect settings or improper usage
Utilize diagnostic tools and resources to pinpoint and resolve issues
Ensure proper communication with cust
I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.
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I applied via Walk-in and was interviewed before Sep 2021. There were 2 interview rounds.
There are several parameters for HPLC calibration.
The parameters include accuracy, precision, linearity, range, limit of detection, and limit of quantification.
Accuracy refers to how close the measured value is to the true value.
Precision refers to the reproducibility of results.
Linearity refers to the ability of the method to produce results that are proportional to the concentration of the analyte.
Range refers to the...
Calibration parameters of UV Vis Spectrophotometer
Calibration parameters include wavelength accuracy, photometric accuracy, stray light, resolution, and noise.
Wavelength accuracy is checked using holmium oxide or didymium glass filters.
Photometric accuracy is checked using neutral density filters.
Stray light is checked using potassium dichromate or sodium iodide solutions.
Resolution is checked using holmium oxide or to...
Weight difference of two samples after ignition of ROI
ROI stands for Residue on Ignition
The weight difference is due to the loss of volatile substances during ignition
The weight loss can be used to calculate the percentage of volatile substances in the sample
This technique is commonly used in pharmaceutical and food industries
The IR region range refers to the range of wavelengths in the infrared region of the electromagnetic spectrum.
The IR region range typically spans from approximately 700 nanometers to 1 millimeter.
It is divided into three main regions: near-infrared (NIR), mid-infrared (MIR), and far-infrared (FIR).
Each region has different applications and characteristics. For example, NIR is commonly used in remote controls and optica...
UV range refers to the range of ultraviolet radiation wavelengths.
UV range is typically divided into three categories: UVA (320-400 nm), UVB (280-320 nm), and UVC (100-280 nm).
UVA is responsible for skin aging and wrinkling, while UVB causes sunburn and skin cancer.
UVC is absorbed by the ozone layer and does not reach the Earth's surface.
UV radiation can also be used for disinfection and sterilization purposes.
UV range...
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