Aims: To establish a rapid and simultaneous determination of multiple effective ingredients
in anti-cold drugs. Background: Anti-cold drugs are stock medicines at home, and most anti …

Silica, alumina and Aluminosilicates of different Si/Al ratios were prepared by conventional
precipitation or co-precipitation methods and then subjected to thermal treatment at 800° C …

Two gasoline samples of octane numbers 91 and 95 from Saudi Arabia petrol stations were
studied statically and dynamically. This study was achieved at three different temperatures …

Selection of mobile phases markedly affect separation efficiency of eluted probes in gas
chromatography (GC), the mobile phases have a pronounced effect on the retention times …

The present work deals with the precise experimental determination of the gas–liquid
chromatography (GLC) retention factors (k) in a sufficiently large temperature range to allow …

The influence of micellar and Ca (OH) 2 water system on the rates of alkaline hydrolysis of 2,
4, 6-trinitrotoluene (TNT) was studied and evaluated quantitatively via capillary gas …

Gasoline come primarily from petroleum cuts, it is the preferred liquid fuel in our lives. Two
gasoline samples of octane numbers 91 and 95 from Saudi Arabia petrol stations were …

Modification of the precipitated silica gel was done by treatment with alkali metal (NaCl)
before and after calcination. The silica surfaces before and after modification were confirmed …

In the present study silica gel was selected to investigate the influence of several surface
modification and coating techniques on the thermodynamic parameters of such material …

Modification of the precipitated silica gel was done by treatment with alkali metal (NaCl)
before and after calcination. The silica surfaces before and after modification were confirmed …