The plant material leaves of Artocarpus altilis (Breadfruit) were collected from university of Guyana road, Cummings lodge, Guyana. Leaves were dried in oven at 50-55 ºC for 72 h. The moisture content is calculated. The dried leaves were grounded and extracted in each acetone,...
Open access
Research Article10.9734/cjast/2023/v42i454286
The plant material, leaves of Aegle marmelos were collected from Cove and John Ashram, Georgetown, Guyana. Leaves are dried in oven at 50-55 ºC for 72 h. The moisture content is calculated. The dried leaves were grounded and extracted in each acetone, ethanol and methanol so...
Open access
Research Article10.9734/cjast/2023/v42i354235
Environmental contamination is one of the important issues that the world is facing today, it is always expanding and leading to the grave and harmful effect on the Earth. Nanoparticles have a diameter less than 100 nm exhibit new size-dependent properties compared with the bulk...
Open access
Research Article10.9734/cjast/2019/v36i430242
Antimony, cadmium and zirconium hexacyanoferrates (II) were synthesized and characterized by elemental and spectral studies. Interaction of 2, 4-dinitrophenol (2, 4-DNP) and 2, 4, 6-trinitrophenol (2, 4, 6-TNP) with antimony, cadmium and zirconium hexacyanoferrates (II) have bee...
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Research Article10.9734/CJAST/2017/35913
Standard analytical procedures that are based on colourimetry facilitated the determination of PO43- and NO3- in the ground and surface waters from the three (3) counties of Guyana. Phosphates and nitrates beyond their permissible levels in natural waters can pose significant thr...
Open access
Research Article10.9734/cjast/2021/v40i2731522
Effects on pH based adsorption of nucleic acid bases (thymine and uracil) at two different concentrations 1 x 10-4 M and 1 x 10-5 M on copper, cobalt and silver ferrocyanides were studied over a pH range (1.0 – 10.0) at temperature 30±1ºC. The progress of adsorption was followed...
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Research Article10.9734/cjast/2020/v39i830590
The study aimed to investigate the adsorptive interaction between metal hexacyanoferrates (II) and natural antifungals. Nickel, manganese and copper hexacyanoferrates (II) were synthesized and characterized by elemental and spectral analysis. The antifungal potentials of each met...
Open access
Research Article10.9734/CJAST/2018/40631