- Marei, A.S.; Khattab, M.; Soltan, H.R. and Khamis, A. 1986. 1- Thin layer and gas liquid chromatography of a- cyano-phenoxybenzyl pyrethroids and 9,9 bifluorylidene as an external indicator. J. Agric. Mansoura Univ. 11(4): 1586- 1590.
- Marei, A.S.; Khattab, M.; Soltan, H.R. and Khamis, A. 1986. 2- Persistence and stabilization of pyrethroids on cotton plants under field conditions. J. Agric. Mansoura Univ. 11(4): 1591-1596.
- Khattab, M.; El-Shaat, M.S.;Soltan, H.R. ; Khamis, A. and Marei, A.S. 1986. Studies on pyrethroids : 4- Effect of synthetic pyrethroids on mineralization of organic phosphorus and ureas activity. J.Agric.Mansoura Univ. 11(4): 1570-1580.
- El-Shaat, M.S.; Khattab, M.; Soltan, H.R.; Khamis, A. and Marei, A.S. 1986. Studies on pyrethroids : 5- Effect of synthetic pyrethroids on nitrification process in soil. J.Agric.Mansoura Univ. 11(4): 1581-1585.
- Soltan, H.R.1994.Efficacy of alginate controlled-release formulation (CRF) of thiobencarb herbicide for weed control in transplanted rice. Proceed. Intern. Seminar on Res.& Develop. of Controlled-Release Formulations of Pesticides (FAO/IAEA) 6-9 Sept.,1993,Vienna, Austria.215-223 pp.
- Soltan, H.R.; M.M.Youssef. and A.S.M Marei. 1994. Synthesis, confirmatory methods and insecticidal activity of pentafluorobenzyl derivatives of certain cyano synthetic pyrethroids. Alex. J. Agric.Res.39(2):279-295.
- Khattab,M.; A.S.M.Marei; A.Khamis.and Soltan, H.R. 1994. Persistence and movement of pyrethroids in different types of water and soil . Com. in Sci.& Dev.Res.15: 641- 651.
-Osman,K.A., H.R.Soltan and M.Marzouk 1994. Toxicity and biochemical effects of cypermethrin, fenvalerate and their pentafluorobenzyl- derivatives on the Egyptian cotton leaf worm Spodoptera littoralis .Com. in Sci.& Dev.Res.47:19-32.
-Soltan, H.R. 1994. Some factor affecting alginate encapsulated carbofuran rates of release. Alex. J. Agric. Res. 39(3):333-345.
- Sabra, F. S. And H.R. Soltan 1995. A simplified colorimetric method for determination of trifluralin herbicide and its persistence in different types of water. Com.in Sci. and Dev.Res. 51:219-227.
- Soltan, H.R. and F. S.Sabra1995. Sorption-desorption characteristics of trifluralin herbicide by two clay minerals and two Egyptian soils. Alex.Sci.Exc.16: 341-351.
- Marzouk, M. A.; H.R. Soltan and A.R. Manse 1995. Studies on synthetic pyrethroides. Synthesis, confirmation and insecticidal activity of cypermethrin-acetone derivative. J. Agric. Res. Tanta Univ. 21: 523 -534
Soltan, H.R.; M. A. Radwan and H. E. El-Maghraby 1996. Environmental behavior of thiobencarb alginate controlled- release formulation in comparison with two commercial formulations on paddy rice field. Alex.J.Agric.Res.41(1):219-230.
Soltan, H.R. 1996.Controlled release formulations of carbofuran based on alginate - kaolin - agriculture waste. Alex.J.Agric.Res.41(1): 241-252.15-
Marei, A.S.M, H.R. Soltan,; M., A. Khamis, and A.Mousa 2000. Leaching and mobility of carbofuran from granular and alginate controlled release formulations. J. Agriculture Sci. Cambridge,143:405-412.
Soltan, H.R., 2000.Preparation and Environmental Safety Evaluation of A Controlled-release Thiobencarb Formulations Utilizing Biodegradable Polymeric Compounds. Alex.J.Agric.Res., 45(3):221-236.
Soltan, H.R., 2001. Insecticidal efficacy of -cyano-3-phenoxybenzyl-3(2-methyl-4,4-dimethyl-5,5-dichloro pyran)-2,2-dimethyl cyclopropanecarboxylate as a new derivative of alpha-cypermethrin against Spodoptera littoralis and Sitophilus oryzae. Alex.J. Pharmaceutical Sci., 15(2):137-141.
Soltan, H.R., 2001.The effect of selected UV absorber on the photodegradation of fenitrothion insecticide. Alex. J .Agric. Res. 46(1):143-154.
Soltan, H.R.; M., A.S.M Marei, A. Khamis, A. Mousa and H. El-Magrabby 2001. High Performance Liquid Chromatography Determination of Carbofuran Residues and Its Distribution From Alginate Controlled-Release and Granular Formulations in A Model Rice/ Fish Ecosystem . Pesticides and Wildlife, ACS Symp.Ser.771. Johnston, J.J (Ed) Am. Chem. Soc. Washington, DC. pp 309-322.
Soltan, H.R., 2001. A new colorimetric method for the determination of the insecticide carbosulfan. Alex.Sci.Exc.22: 345-351
Soltan, H.R. 2002. Colorimetric method for determination of the nematicide, cadusafos in aqueous medium at different temperature and pH levels. J. Advances in Agric. Res. 7 (1): 183-192.
Soltan, H.R. 2002.Rate of release of nematicide, cadusafos from starch, amylose and ethyl-cellulose encapsulated formulations. Alex.Sci.Exc. 23(2): 185-195.
Soltan, H.R.; F.M. Moursy; F.I. Moustafa and H.M. Ismail, 2010. Analysis of
photochemically induced cotton bound residues by immunoassay
technique. J. AOAC International, 92(6): 1815-1820.
Soltan, H.R.; M., A.S.M Marei, and A. Mousa, 2010. Determination the release rate profiles of both aldicarb and cadusafos released in static water from alginate controlled-release formulations by using a new colorimetric methods. (In Press).