coating activity pharma.

[Petrelnik]

Здравствуйте, подскажите, пожалуйста, как перевести фразу
"Coating activity was carried out as per the BMR and samples were collected at 25%, 50%, 75% and 100% weight gain and composite sample in coating activity".
Понятно все, кроме composite sample in coating activity. Даже не представляю, о чем это.
Заранее спасибо.

[Kronos]

Coating is a covering that is applied to the surface of an object

Composite Sample:
A single sample which is prepared by combining numerous small portions of product material from throughout the lot.

были взяты образцы (пилюль или что там было coating) на стадиях 25% ...
и образцы оболочек \ покрытия

IMHO

[Petrelnik]

Спасибо большое!