Blog Archives - StillPeaks.com

Predict CH4 to nC100 chromatograms from seconds to hours

n-Alkane retention time has a clear cut boiling point relation for SimDist and the Kovats index is interpolated n-alkane carbon number times 100. In SimDist and Kovats analyses, n-alkanes must be measured along with the analysis of the sample. Not any more ! When...

Prediction of Coelutions and Separations of Benzene, Toluene and Dimethylbenzene

In attached paper we explain the prediction of coelutions and separations of Benzene, Toluene and Dimethylbenzene on ASTM methods D6729, D6730 & D6733. In summary StillPeaks Detailed Hydrocarbon Analysis software identifies temperature programmed gas...

Fugacity of equilibrium and transport

Fugacity of equilibrium and transport The separation science in StillPeaks software explained StillPeaks D86-software predicts and constructs ASTM method D86 distillation for gasolines and blendfeeds from (Fast-) Detailed Hydrocarbon Analysis by...

Partition chromatography physics of GC: solubility of aromatics in PhenylMethylSilicone

The solubility of aromatics Benzene, Toluene and Naphthalene in PhenylMethylSilicone is around 519 g/l benzene. Glass wall chemical bonded and crosslinked polymers are mostly used in production, but the physics of retention was hindered by infinite molar mass of the...

Virtual Gas Chromatography on Gasoline

During Peftec 2017 StillPeaks presented the poster ‘Virtual Gas Chromatography of Gasoline’. In short, four by Virtual GC calculated TPGC chromatograms were compared to measured reference chromatograms from ASTM methods D6729, D6730, D6733-1 and D6733-2....

Predictive software for Vapor-Liquid Ratio Temperature Determination of Fuels (ASTM method D5188)

StillPeaks is a software company specialized in top notch tools for predicting Gas Chromatograph analysis, super accurate Detailed Hydrocarbon Analysis and Distillation methods. Please take a look at our products for more details. But this post is not about that. We...