HPLC testing? Qualitative and quantitative analysis? Which is better?

Khal_T

Subscriber
Hi all,

Most of us heard or know these testing labs, Jano, ChemTox, Lab4Tox, Simec, Anabolic. And, sometimes, their different analysis really confused us, 103% purity of Testo E? Yes, you must had read it somewhere before. Even I had one copy left with me. Is it wrongly tested? No. I am trying to show you what I learned and try to learn from you here.

1. Different testing methods:
The most commonly seen methods is HPLC, "HPLC is a technique in analytical chemistry used to separate, identify, and quantify each component in a mixture." Unit: Percentage

The confused methods--"Quantitative analysis (chemistry), the determination of the absolute or relative abundance of one or more substances present in a sample." Unit: XXmg/Kg, ug/Kg

So, even both Quantitative analysis and HPLC can tell the purity. HPLC needs a better STANDARD sample for comparing, and Quantitative needs to do more times analysis to ensure the result is exact.

2. Question: Which one is the very one for us?

Please leave me your ideas with me. Thank you!
 
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