Hauwa A. Umaru

Phytochemical Screening of Etlingera elatior (Torch Ginger) Cultivated on Different Dosage of Biochar

Isaac John Umaru, Benedict Samling & Hauwa A. Umaru · Asian Journal of Biochemistry, Genetics and Molecular Biology · 2019

Objective: This study was carried out with an objective to investigate the impact of biochar on phytochemical composition in plant especially Etlingera elatior cultivated on different dosage of biochar. Methods: Etlingera elatior was cultivated on the pot with 20 cm diameter and...

Open access Research Article 10.9734/ajbgmb/2018/v1i430048

Application of Selected Ion Monitoring-Gas Chromatography Mass Spectrometry (SIM-GCMS) for Quantification of Poly Aromatic Hydro Carbons in Surface Water from Sarawak, Mambong River (Malaysia)

Isaac John Umaru, Benedict Samling & Hauwa A. Umaru · Asian Journal of Applied Chemistry Research · 2019

Background: Increasing activities have led to serious environmental problems due to Pullution caused by toxic materials such as poly aromatic carbons whose levels are rising in the environment. Objective: The study presented here carried out the ultra-trace Quantification of Poly...

Open access Research Article 10.9734/ajacr/2018/v2i3-430077