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Science notes from our reference standards lab
Practical articles on impurity profiling, regulatory thresholds, method development and isotope labelling, written by specialists in pharmaceutical science.
Latest articles
1 min read
24 Oct 2026
Types Of Raw Materials In Pharmaceutical Industry
The pharmaceutical industry relies heavily on a variety of raw materials to produce the medications and health products that improve and save lives. These raw materials are essential for man...
1 min read
21 Oct 2026
Elemental Impurities and ICH Q3D PDE Limits
For most of the twentieth century, "heavy metals" testing meant sulfide precipitation and a colour comparison against a lead standard — non-specific, insensitive, blind to which elemen...
6 min read
13 Oct 2026
Difference Between Drug And Medicine
In the world of pharmaceuticals, the terms "drug" and "medicine" play a crucial role, yet they are often misunderstood or used interchangeably. While both are associated with improving healt...
7 min read
13 Oct 2026
Sources Of Impurities In Pharmaceutical Substances
While medications are meant to improve our health, the presence of impurities can cause unwanted effects. These impurities are substances present in a pharmaceutical substance that are...
5 min read
13 Oct 2026
How to Read a Certificate of Analysis a Reference Standard CoA, Section by Section
A certificate of analysis is usually filed and forgotten. That is a shame, because almost every avoidable error traceable to a reference standard — a wrong potency correction, a supers...
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