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Principal of IR and UV involves the interaction of electromagnetic radiation with matter.
Infrared (IR) radiation has longer wavelengths than visible light and is often used in remote controls and thermal imaging.
Ultraviolet (UV) radiation has shorter wavelengths than visible light and can cause sunburn and skin damage.
Both IR and UV radiation can be harmful if not properly controlled or protected against.
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I applied via Recruitment Consultant and was interviewed in Jan 2021. There were 4 interview rounds.
I applied via Company Website and was interviewed before Dec 2019. There were 4 interview rounds.
I applied via Company Website and was interviewed in Mar 2020. There were 3 interview rounds.
SAP activity refers to the use of SAP software for business operations and management.
SAP activity involves using SAP software for various business functions such as finance, human resources, supply chain management, and customer relationship management.
It helps organizations streamline their processes, improve efficiency, and make data-driven decisions.
Examples of SAP activity include creating financial reports, manag...
pH activity refers to the measurement of acidity or alkalinity of a solution.
pH activity is measured on a scale of 0-14, with 7 being neutral, below 7 being acidic, and above 7 being alkaline
It is important in various fields such as chemistry, biology, and environmental science
For example, pH activity is used to determine the acidity of soil for agriculture, the pH of water for aquatic life, and the pH of blood for med
The pH value decreases when acid is added and increases when alkali is added.
Acids release hydrogen ions (H+) when dissolved in water, which increases the concentration of H+ ions and lowers the pH value.
Alkalis release hydroxide ions (OH-) when dissolved in water, which decreases the concentration of H+ ions and raises the pH value.
The pH scale ranges from 0 to 14, with 7 being neutral. Values below 7 are acidic, and ...
Chemical reaction between sodium and chlorine
Sodium (Na) reacts with chlorine (Cl) to form sodium chloride (NaCl)
The reaction is exothermic and releases energy in the form of heat and light
The balanced chemical equation is 2Na + Cl2 -> 2NaCl
I applied via Walk-in and was interviewed before Jan 2019. There were 3 interview rounds.
posted on 7 Aug 2020
I applied via Naukri.com and was interviewed in Feb 2020. There were 3 interview rounds.
Water content mechanism can be found through various methods and is important for various reasons.
Water content can be measured through techniques such as gravimetric analysis, Karl Fischer titration, and moisture analyzers.
Water content is important in industries such as food, pharmaceuticals, and cosmetics to ensure product quality and stability.
Water content is also important in environmental studies to understand t...
Developing HPLC methods involves selecting appropriate columns and optimizing parameters.
Choose a suitable column based on the analyte's properties and the separation goal.
Optimize parameters such as mobile phase composition, flow rate, and temperature.
Validate the method by assessing its selectivity, sensitivity, accuracy, and precision.
Common column types include C18, C8, and phenyl.
Other factors to consider include ...
Carbon loading in column refers to the amount of carbon used in the stationary phase of a chromatography column. Endcapping is a process to block the remaining silanol groups on the surface of the stationary phase.
Carbon loading is typically expressed as a percentage of the total weight of the stationary phase.
Higher carbon loading can improve the selectivity and retention of certain analytes.
Endcapping is important to...
posted on 16 Aug 2021
I applied via Company Website and was interviewed in Feb 2021. There were 5 interview rounds.
I applied via Pharma wisdom and was interviewed before Apr 2020. There were 3 interview rounds.
The challenge test of a machine is a test to determine its capabilities and limitations.
The challenge test should be designed to push the machine to its limits.
It should be conducted in a controlled environment to ensure safety.
Examples of challenge tests include stress tests, endurance tests, and performance tests.
The results of the challenge test can be used to improve the machine's design and performance.
I applied via Walk-in and was interviewed before Sep 2020. There were 4 interview rounds.
FFS machine stands for Form-Fill-Seal machine, which is a packaging machine used to form, fill, and seal products in various industries.
FFS machine is commonly used in industries such as food and beverage, pharmaceuticals, and cosmetics.
It is an automated machine that can produce packaging materials on-site.
The machine forms a package from a flat roll of film, fills it with the product, and then seals it.
FFS machines c...
Kaizen is a Japanese term for continuous improvement. It involves making small, incremental changes to improve processes and systems.
Kaizen is a philosophy that focuses on continuous improvement in all aspects of an organization.
It involves identifying areas for improvement, making small changes, and then evaluating the results.
Kaizen can be applied to any process or system, from manufacturing to healthcare.
Examples of...
Transformers are electrical devices that transfer energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease voltage levels in electrical circuits
They consist of two coils of wire wrapped around a magnetic core
The primary coil is connected to the input voltage and the secondary coil to the output load
Step-up transformers increase voltage while step-down transform...
I applied via Referral and was interviewed in May 2021. There were 3 interview rounds.
UV-Vis spectroscopy is a technique that measures the absorption of ultraviolet and visible light by a sample.
UV-Vis spectroscopy is used to determine the concentration of a sample, as well as its purity and identity.
It works by passing light through a sample and measuring the amount of light absorbed at different wavelengths.
The resulting spectrum can be used to identify functional groups and chemical bonds in the samp...
pH range for solutions is a measure of acidity or alkalinity on a scale of 0-14.
A pH of 7 is neutral, below 7 is acidic, and above 7 is alkaline.
Acidic solutions have a pH below 7, such as lemon juice (pH 2) or vinegar (pH 3).
Alkaline solutions have a pH above 7, such as baking soda (pH 9) or bleach (pH 12).
The pH range is important in many fields, including chemistry, biology, and environmental science.
KF autotitrator is an instrument used for determining water content in a sample by titration with Karl Fischer reagent.
KF autotitrator uses Karl Fischer reagent to determine water content in a sample
It is an automated titration instrument
The principle behind KF autotitrator is based on the reaction between iodine and sulfur dioxide in the presence of water
The instrument measures the amount of reagent required to reach ...
HPLC is a technique used to separate, identify, and quantify components in a mixture. There are various types of chromatography techniques.
HPLC stands for High Performance Liquid Chromatography
It involves the separation of components in a mixture based on their interaction with a stationary phase and a mobile phase
Other types of chromatography include gas chromatography, ion exchange chromatography, and size exclusion ...
Volumetric solutions are prepared by accurately measuring the volume of a solute and dissolving it in a solvent to a known volume.
Volumetric solutions are used in analytical chemistry for titrations and other quantitative analyses.
The solute is usually a solid or liquid that is weighed on a balance before being added to the solvent.
The solvent is typically water, but other solvents may be used depending on the solute b...
Potentiometry is a method of measuring the potential difference between two electrodes in a solution to determine the concentration of an ion.
Potentiometry is based on the principle that the potential difference between two electrodes in a solution is proportional to the concentration of an ion.
It is commonly used in analytical chemistry to measure the concentration of ions in a solution.
Potentiometry can be used to me...
Volumetric titrations are of different types based on the nature of the reaction involved.
Acid-base titration
Redox titration
Complexometric titration
Precipitation titration
Non-aqueous titration
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