Fourier Transform Infrared (FTIR) Spectroscopy: Why We Use KBr Pellets and CCl₄ Solvent
Fourier Transform Infrared (FTIR) Spectroscopy is an analytical technique used to identify and analyze materials by measuring their absorption of infrared light. When IR radiation passes through a sample, its molecules absorb specific frequencies corresponding to their vibrational modes, producing a unique “molecular fingerprint” spectrum. This spectrum enables both qualitative and quantitative analysis of organic, […]
How Should Expired Nitrosamine Impurities And Analytical Waste Be Safely Disposed Of
Nitrosamine Impurities and Analytical Waste must be managed in accordance with strict health, safety, and environmental regulations due to their carcinogenic properties. The primary and preferred disposal route is high-temperature hazardous-waste incineration, while chemical degradation approaches may be used only for lab-scale decontamination in authorised facilities. How Should Expired Nitrosamine Impurities And Analytical Waste Be Safely Disposed […]
Synthetic Vs Natural Drugs: Key Differences With 15+FAQs
Synthetic drugs are artificially created in laboratories, while natural drugs are directly derived from sources like plants, animals, or microorganisms. Semisynthetic drugs begin with natural compounds that are chemically modified. The key differences lie in their origin, chemical structure, consistency, and regulatory control. Synthetic Vs Natural Drugs: FAQs You May Like: Synthetic Vs Natural Drugs: […]
What is Root Cause Analysis (RCA) And How Helpful It In Pharma: Learn With Examples & FAQs
What is Root Cause Analysis (RCA)? Root Cause Analysis (RCA) is a structured, systematic approach used to identify the underlying causes of a problem rather than simply addressing its immediate symptoms. By uncovering the fundamental reasons an issue occurred, RCA enables organisations to implement long-term, effective solutions that prevent recurrence. This methodology is widely applied […]
Drug Discovery Vs Drug Development: Key Differences With 5+FAQs
Drug discovery is the initial phase of identifying potential drug candidates by targeting a specific disease. Drug development is followed by testing the most promising candidates through preclinical and clinical trials to ensure safety, efficacy, and proper dosage before regulatory approval. The entire process is long, costly, and has a high failure rate. Drug Discovery […]
Top 21+ NMR Interview Questions and Answers For R&D, Analytical, QC, QA, And RA Roles
NMR Interview Questions and Answers For R&D, Analytical, QC, QA, And RA Roles NMR interview questions typically cover both technical knowledge and soft skills. On the technical side, candidates may be asked about the principles of NMR, interpretation of spectra—such as chemical shift, spin–spin coupling, and multiplicity—along with the advantages, limitations, and applications of various […]
Interview FAQs On FTIR And Uv Visible Spectrophotometer
Interview FAQs On FTIR And Uv Visible Spectrophotometer UV-visible and IR spectroscopy are widely used tools in pharmaceutical development for both qualitative and quantitative analysis. This is the reason why most of the questions are asked about these topics in pharmaceutical analytical or QC interviews. In this post, I will discuss all the questions asked […]
Top Interview Questions and Answers On Titration: For Analytical, QC, QA, R&D and RA Roles
Top titration interview questions often focus on the fundamentals, such as defining titration, distinguishing between the equivalence point and the end point, and explaining various titration types—including acid–base, redox, and complexometric methods. Candidates may also be asked about the principles behind specialised techniques like Karl Fischer titration, common sources of analytical error, and key concentration […]
Top 69+ GC Interview Questions and Answers For Analytical, QC, QA, R&D and RA Roles
Chromatography interviews typically focus on core principles, instrument components, and practical applications, along with essential skills such as method validation and troubleshooting. You can expect questions on separation mechanisms, the roles of the mobile and stationary phases, column types, detector principles, common system issues, and the advantages of GC. Gas Chromatography (GC) is widely used […]
Top 51+ HPLC Interview Questions and Answers For Analytical, QC, QA, R&D and RA Roles
Common HPLC interview questions typically focus on fundamental concepts such as the principle of HPLC, its instrumentation, column chemistry, and mobile-phase selection. Candidates are often tested on method development, system suitability parameters, and troubleshooting skills. You should be familiar with topics like retention time, normal-phase vs. reverse-phase chromatography, isocratic vs. gradient elution, and common issues […]