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Instrument Section
HPLC pump problem
Fluctuating retention times
Type of impurities?
- Organic impurities
- Elemental impurities (inorganic)
- Residual solvents
Type of Detector in GC
SST in HPLC
% RSD(Related standard deviation)/repeatability
type of titration
FDA and USFDA focus in OOS investigation
why we do UV Calibration ?
Why DST USE IN KF TITRATION
Wet Lab Section
Titration
Normality
Molarity
PPM
Solubility
Fresher Interview questions and answers
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Interview Q & A
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Experience Interview questions and answers
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Guideline
QMS(Quality Management)
ALCOA to ALCOA Plus for Data Integrity
The term Alcoa is an Acronym, which stands for Attributable, Legible, Contemporaneous, Original and Accurate. Alcoa was then expanded to Alcoa
Plus (Alcoa +), by the addition of a few more concepts which are; Complete, Consistent, Enduring and Available.
Over time, the concept of Alcoa plus has been adopted by various industries, as a framework for ensuring that data
OOS Handle
The objective of OOS investigation should beĀ to identify the root cause of the OOS result Or NSQ results and take appropriate corrective and preventative action. Investigation should include a review of Laboratory testing, review of production and sampling procedures, and will often include additional laboratory testing and Cross functional investigation along with the handling of associated samples and test data
Change Controle
The term change control is used to describe the controlled set of actions necessary to ensure a change does not negatively impact a product’s safety, efficacy, quality or compliance.
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Pharma Blogs
Before use karl fischer titration care
"Care before use" in Karl Fischer titration refers to the crucial steps and considerations taken before starting the actual titration process to ensure accurate, reliable, and safe results. Given that Karl Fischer titration is highly sensitive to moisture, these...
Analytical method validation other concepts
Understood. "Analytical image method validation" refers to the process of ensuring that image-based methods used for quantitative or qualitative analysis consistently produce reliable, accurate, and fit-for-purpose results. This is crucial in fields like...
Uv analysis sop in pharma
This sounds like you're looking for a Standard Operating Procedure (SOP) for Ultraviolet (UV) analysis. Here's a general outline of what a comprehensive SOP for UV analysis would typically include. Keep in mind that the specific details will vary depending on the...
Specificity analytical method validation
According to the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) guideline Q2(R1), specificity is defined as:"Specificity is the ability to assess unequivocally the analyte in the presence of components which...
Uv development
UV development can refer to several distinct areas, primarily revolving around ultraviolet (UV) light and its applications. To provide a comprehensive answer, let's explore these different facets:1. UV Spectroscopy Method DevelopmentThis involves creating and...
Uv analysis in pharma
"UV analysis" most likely refers to Ultraviolet-Visible (UV-Vis) Spectroscopy. This is a widely used analytical technique that studies how substances interact with ultraviolet and visible light.Here's a breakdown of what UV-Vis analysis entails:Principle: * UV-Vis...
Karl fischer titration
"Kal Fischer" most likely refers to Karl Fischer Titration.Karl Fischer titration is a well-established chemical method used to determine the water content of a wide variety of samples. It's a common technique in many industries, including: * Food and beverage: To...
How to Analytical Method validation Planing
Ah, method validation planning in pharma ā a cornerstone of ensuring the quality and reliability of pharmaceutical products! It's all about demonstrating that your analytical methods are fit for their intended purpose.To get started with effective method validation...
How to measure OOT IN pharmaceuticals industry
Out-of-Trend (OOT) in Pharmaceutical StabilityIn the pharmaceutical industry, Out-of-Trend (OOT) results refer to analytical data obtained during stability studies that, while still within the established specification limits, deviate significantly from the expected...
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HPLC Blogs
HPLC PUMP TROUBLESHOOTING
HPLC (High-Performance Liquid Chromatography) pump issues can significantly impact the performance and reliability of your chromatographic analysis. Here are some common problems and potential solutions: Common Issues: Flow rate inconsistencies: Variations in flow...
HPLC calibration compound might be use
B - naphtholCaffeineToluene Whu this use ⢠Not harm your column ⢠Easy mixtures like methanol water mix use the mobile phase ⢠So not harm your column ⢠Peak are very identical Not use any buffer so not harm in column
HPLC calibration which substance use why ?
B - naphtholCaffeineToluene Whu this use ⢠Not harm your column ⢠Easy mixtures like methanol water mix use the mobile phase ⢠So not harm your column ⢠Peak are very identical Not use any buffer so no harm in column
Chromatography 621 number chapter adjustment parameters is 8
1) Ph
2) injection volume
3) Temperature
4) buffer Concen
5) Column
6) Mobile phase ratio
7) Wave leny
8)Flow rate
FACTOR AFFECTS ON HPLC COLUMN
1) Partial Blockage of column 2) Adsorption of sample impurities inside column surface. 3) Poorly packed stationary phase. 4) Mechanical or thermal shocks during Handling. 5) Chemical attack on the stationary phase.
HPLC Interview Top 15 Question and answer
1. What is HPLC? Answer:HPLC stands for High-Performance Liquid Chromatography. It is a technique used for separating, identifying, and quantifying components in a mixture. It uses a liquid mobile phase under high pressure to pass through a column containing a...
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Analytical method validation Blog
Specificity analytical method validation
According to the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) guideline Q2(R1), specificity is defined as:"Specificity is the ability to assess unequivocally the analyte in the presence of components which...
Uv development
UV development can refer to several distinct areas, primarily revolving around ultraviolet (UV) light and its applications. To provide a comprehensive answer, let's explore these different facets:1. UV Spectroscopy Method DevelopmentThis involves creating and...
How to Analytical Method validation Planing
Ah, method validation planning in pharma ā a cornerstone of ensuring the quality and reliability of pharmaceutical products! It's all about demonstrating that your analytical methods are fit for their intended purpose.To get started with effective method validation...
Heavy metal Method -A
heavy metals in a substance. It involves reacting the substance with hydrogen sulfide (or sodium sulfide) to produce colored heavy metal sulfides, which are then compared to a standard lead solution. The test ensures that the sample does not exceed a specified heavy...
Heavy metal analysis
measures the fluorescence emitted by atoms in a sample excited by a light source. X-ray Absorption Spectroscopy (XAS): XAS provides information about the chemical form of heavy metals in a sample. Sample Preparation:Before analysis, samples (e.g., soil, water,...
HPLC METHOD DEVELOPMENT
HPLC (High-Performance Liquid Chromatography) method development is a critical process in analytical chemistry, involving the creation of a precise and reliable method for separating, identifying, and quantifying the components of a mixture.Here's an overview of the...
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During Job How to Control your selfĀ Blogs
Be healthy
Fighting Interview Fear – Why candidates get nervous during an interview ?
Interview fear is nothing to be ashamed of. In fact, itās natural, stemming from the human desire to seek approval and validation. So, first, when trying to deal with your interview fear, itās important to recognize that interview fear is normalāand have some...
Thought of the day 2023
āKeep relations, which change your situations, not ones which itself gets changed according to situations.ā No one is too much busy. Itās all about importance you have in their life.āĀ āNegative perceptionĀ and wrong judgement astray a man in...