Laxai Life Sciences Executive Interview Questions and Answers

Q1. What is pH meter , How to calibrate pH meter
Ans. 
A pH meter is a scientific instrument used to measure the acidity or alkalinity of a substance. Calibration ensures accurate readings.
• pH meter measures the concentration of hydrogen ions in a solution

• Calibration involves adjusting the pH meter to known standard solutions

• Regular calibration ensures accurate readings over time
Answered by AI
Add your answer
Q2. Explain the parts of HPLC
Ans. 
HPLC stands for High Performance Liquid Chromatography, which consists of a pump, injector, column, detector, and integrator.
• HPLC involves a pump to push the liquid solvent through the system.

• It includes an injector to introduce the sample into the mobile phase.

• The column separates the components of the sample based on their interactions with the stationary phase.

• A detector measures the amount of analyte in the eluent.

• ...read more
Answered by AI
Add your answer

Q1. What are the buffer used in HPLC
Ans. 
Buffers commonly used in HPLC include phosphate buffers, acetate buffers, and citrate buffers.
• Phosphate buffers are commonly used in HPLC for separating acidic compounds.

• Acetate buffers are used for separating basic compounds.

• Citrate buffers are used for separating metal ions.

• Other common buffers used in HPLC include ammonium acetate and ammonium formate.
Answered by AI
Add your answer
Q2. How to calibrate HPLC
Ans. 
HPLC calibration involves adjusting parameters to ensure accurate and reliable results.
• Prepare standard solutions of known concentrations

• Run the standard solutions through the HPLC system

• Compare the results to expected values and adjust parameters as needed

• Repeat the process until accurate and consistent results are obtained
Answered by AI
Add your answer

Q1. Describe the APQR. OOS, Process Validation. And many more
Ans. 
APQR is a quality document that summarizes the results of an annual product quality review.
• APQR stands for Annual Product Quality Review.

• It is a quality document required by regulatory authorities.

• APQR summarizes the results of an annual review of product quality.

• It includes data on manufacturing processes, analytical results, complaints, deviations, and other quality-related information.

• APQR helps identify trends, pot...read more
Answered by AI
View 1 more answer

How Mane Experience

Q1. Which is RF Volue and what is TLC
Add your answer
Q2. Tin layer chromatography Product trafared distence/Mobile phase Trafared distence
Add your answer
Q3. Purification and recrestlation
Add your answer

Q1. Media fill acceptance cretieria
Add your answer

Q1. Have you will to relocating
Add your answer

Q1. What are all the in process carried out in oral solids
Ans. 
In the process of manufacturing oral solids, various steps are carried out to ensure quality and efficacy.
• Raw material testing and selection

• Granulation or blending of active ingredients and excipients

• Compression or encapsulation of the mixture into tablets or capsules

• Coating of tablets for protection and ease of swallowing

• Packaging and labeling of the final product

• Quality control testing at different stages

• Documentatio
Answered by AI
Add your answer
Q2. What are cleaning validation process
Ans. 
Cleaning validation process ensures that cleaning procedures effectively remove residues from equipment and surfaces.
• Cleaning validation is a documented process to demonstrate that cleaning procedures are effective in removing residues.

• It involves establishing acceptance criteria, selecting appropriate sampling methods, and performing analytical testing.

• The process includes cleaning verification, which confirms that cl...read more
Answered by AI
Add your answer

Q1. What is your positive and negative
Add your answer