Calculate the volume of stock solution required for preparation of target concentration

Your browser does not support iframes.   While working in the laboratory one of the most common operations that a scientist performs is that of preparing dilutions from stock solutions to final solutions in ppm or parts per million or milligrams per litre. Dilutions need to be prepared for numerous operations such as – Preparing […]

Free E-Course on Pharmaceutical Preformulation: Basics and Industrial Applications

Certificate course planned for launch in 2014. Drug molecules are rarely administered alone. They are administered as dosage forms or formulations. Before any formulation development is initiated, the drug molecule is characterized for certain fundamental physical, chemical properties and physico-technical properties. A thorough understanding of these properties allows science based development of formulations, by enabling […]

A simple way to understand and practice the clauses covered by ISO 17025:2005

I have been a part of an accredited laboratory for 10 years now and have successfully faced more than 12 audits based on the ISO 17025 standard. In the early days I used to think that the ISO standard is a complete waste of time and nothing but unnecessary paperwork burdening the scientists and other […]

HPLC certificate program released..!!!

The free e-learning HPLC progrmme released about a year back received encouraging response. Over 4,000 participants have registered till date and there was a big demand for certificates. As the content of the free e-course was not enough to qualify for the certificate we decided to develop the more elaborate  certificate programme which contains sufficient details to […]

What really goes into running a HPLC : Infographic

Anyone who is working in a laboratory is likely to use a HPLC at some time or the other. Right from the time you complete your graduation, post graduation, doctorate or you are working in industry you may have to rely on HPLC to answer some vital questions. Most of us believe that it is […]

What would you like to learn after the Pharmaceutical Preformulation E-Course?

Our recent Free E-Course titled “Pharmaceutical Preformulation: Basics and Industrial Applications” has been quite successful with your support. We are happy to share with you that more than 1700 people from over 100 countries have so far participated in our online course on pharmaceutical preformulation and more and more are joining the course each day. […]

Preservative Efficacy Test

Preservative efficacy test is performed to determine the type and minimum effective concentration of preservative required for satisfactory preservation of  pharmaceuticals, food and biotechnology products. The preservative to be effective in the final packaged product should be considerably below the concentrations of the preservative that may be toxic to human beings. The Preservative efficacy test […]

How to make a calibration curve and calculate sample concentrations using Excel – Video Tutorial

Excel Calibration Curve Video TutorialWorking in the laboratory, there are a number of different ways that we can calculate the amount of an analyte present in a sample by comparing them to standards. You could use a single external standard, a calibration curve,  internal standard or use standard addition. Learning to use these different methods […]

Introduction to Osmometry in the Pharmaceutical Industry

Osmolality measurements using a osmometer, are regularly carried out in the pharmaceutical industry and research labs to establish the isotonicity of intravenous solutions, injections, nasal and eye drops. Preparations which are hypertonic or hypotonic can cause severe irritation when injected into the bloodstream or tissue or when applied to mucous membranes like cornea and wounds. […]

10 Tips to become an effective learner!!!

Learning is a lifelong process and our daily experiences leave everlasting impressions on our subconscious mind which moulds our personality. Each day one is exposed to new ideas. Learning is a focused approach that helps retain specific information related to one’s need and curiosity satisfaction. You can develop your power of assimilation by adopting some […]

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