Author

I. M. Umar

Observed names: I. Umar, I.M. Umar, Ibrahim M. Umar

Institution: Ahmadu Bello University

Observed institutions: Ahmadu Bello University, Energy Commission of Nigeria, University of Salford

OpenAlex ID: A5110101392

Standardization of NIRR-1 irradiation and counting facilities for instrumental neutron activation analysis

2006 · S.A. Jonah, I.M. Umar, et al. · Applied Radiation and Isotopes · 68

The uptake of caesium and strontium radioisotopes onto clays

2000 · Allen Dyer, John K. K. Chow, et al. · Journal of Materials Chemistry · 55

Neutron spectrum parameters in irradiation channels of the Nigeria Research Reactor-1 (NIRR-1) for the k0-NAA standardization

2005 · S. A. Jonah, G. I. Balogun, et al. · Journal of Radioanalytical and Nuclear Chemistry · 48

Compton suppression method and epithermal NAA in the determination of nutrients and heavy metals in Nigerian food and beverages

2010 · Y.A. Ahmed, S. Landsberger, et al. · Applied Radiation and Isotopes · 27

Determination of some elements in Ageratum conyziodes,a tropical medicinal plant, using instrumental neutron activation analysis

2004 · L. A. Dim, I. I. Funtua, et al. · Journal of Radioanalytical and Nuclear Chemistry · 24

Determination of trace elements in some Nigerian vegetable based oils by neutron activation analysis

2001 · I. Umar · Journal of Radioanalytical and Nuclear Chemistry · 22

Trace elemental analysis of Nigerian crude oils by INAA using miniature neutron source reactor

2004 · D. J. Adeyemo, I. M. Umar, et al. · Journal of Radioanalytical and Nuclear Chemistry · 21

The uptake of radioisotopes onto clays and other natural materials

1999 · A. Dyer, J. K. K. Chow, et al. · Journal of Radioanalytical and Nuclear Chemistry · 17

Trace Multielement Content of Some Crude Oils by Instrumental Neutron Activation Analysis Techniques

2004 · D. J. Adeyemo, I. M. Umar, et al. · Instrumentation Science & Technology · 11

Rapid analysis with energy-dispersive X-ray fluorescence spectrometry for bauxite investigation on the Mambilla Plateau, North Eastern Nigeria

2004 · Y. Idris, I.I. Funtua, et al. · Geochemistry · 10

The uptake of radioisotopes onto clays and other natural materials

1999 · A. Dyer, I. M. Umar · Journal of Radioanalytical and Nuclear Chemistry · 9

Variations in Nuclear Data and its Impact on INAA

2006 · Y.A. Ahmed, I.O.B. Ewa, et al. · Journal of Applied Sciences · 8

Analysis of Lubricating Oil for Cu, Fe, Mn, Ni, and Zn Using Electrothermal Atomic Absorption Spectrometry

2004 · D. J. Adeyemo, I. M. Umar, et al. · Instrumentation Science & Technology · 7

Neutron activation analysis of aluminium with an AmBe neturon source-application for Bauxite investigation in Nigeria

1998 · Y. Idris, I.I. Funtua, et al. · Applied Radiation and Isotopes · 7

A quick method for the determination of the Al/Si weight ratio in alumino-silicates using an Am-Be neutron source

2004 · S. A. Jonah, M. O. A. Oladipo, et al. · Journal of Radioanalytical and Nuclear Chemistry · 6

Application of a low-yield neutron generator for rapid evaluation of alumino-silicate ores from Nigeria by FNAA

2001 · S.A. Jonah, I.O. Okunade, et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 6

Determination of tin in cassiterite ores and tailings by 241Am source X-ray fluorescence spectrometry

1997 · I.I. Funtua, Y. Idris, et al. · Applied Radiation and Isotopes · 6

Determination of trace elements in Nigerian kola-nuts by instrumental neutron activation analysis

1989 · I. M. Umar, R. Blackburn · Journal of Radioanalytical and Nuclear Chemistry · 6

Estimating adulteration of petroleum-based fuels using neutron reflectometry technique

2004 · S.A. Jonah, I.M. Umar · Radiation Physics and Chemistry · 4

Trace Elements From Effluents Discharged Into the Kaduna River Basin Environment

2002 · Ita O. B. Ewa, Simon Ebele, et al. · Journal of Trace and Microprobe Techniques · 3

Routine determination of manganese in ores by INAA with an Am−Be neutron source. Application to manganese ore deposits in North-Western Nigeria

1995 · A. Onojah, I. M. Umar, et al. · Journal of Radioanalytical and Nuclear Chemistry · 3

Lung deposition pattern of PM10 particulate matter for manual quarry workers in Zaria

2004 · I. O. Okunade, I. M. Umar, et al. · Global Journal of Environmental Sciences

Works count: 22

Citation count: 368

H-index: 10

I10-index: 10