The second measurement was taken as being the endpoint, once the tablet and the particles had disintegrated completely (DT = disintegration). These values had been recorded for various fillers (Mal = maltose; Person = mannitol; Lac = lactose; Dex = dextrates; Person/Adi = mannitol/adipic acid) and ended up plotted from https://wordpress83680.blog-mall.com/30868952/effervescent-tablets-woolworths-things-to-know-before-you-buy