How to Perform and Calculate Spike Recovery in Analytical Chemistry?

It refers to the ratio obtained by adding a known quantity of standard substance to a sample matrix without the analyte, following the sample processing steps, and comparing the result to the theoretical value. Calculation Formula: Recovery Rate P=(Spiked Sample Determined Value−Sample Determined Value)×Spike Amount100% • Weigh 5g of the sample (accurate to 0.01g) into a Read more…

Anti-Aging: Quantitative Analysis of Boswellic Acid – Is Boswellic Acid Really Reliable?

Mentioning “Boswellia” is likely not unfamiliar to everyone. The core ingredient in many skincare creams is Boswellia. So, what is Boswellia? And why is it called Boswellia? “Boswelox” (Pro-Xylane) is a trademark for cosmetic raw materials independently developed by the L’Oréal Group. Its active ingredient, with the chemical name hydroxypropyl Read more…