9 articles in this issue
Deepti Jain, Pawan Kumar Basniwal
Three UV spectrophotometric methods viz. linear regression equation (LRE), standard absorptivity (SA) and first order derivative (FOD) method were developed and validated according to ICH guideline. The methods were linear in the range of 10-50 µg/mL and ... see more
Muddasar Habib, Abdul Rehman Memon, Unsia Habib, Amad Ullah Khan, Zia ur Rehman, Anwar Zeb, Abdul Moeed, Mustafa Kamal Pasha
The work presented here has looked into the thermal-conversion of wheat and barley spent grains (SG). Wheat fermentation was carried in the laboratory to get a mashed product while barley grain residues were sourced from a local brewing company. Pyr... see more
Muhammad Muslim, Md. Ahsan Habib, Tajmeri Selima Akhter Islam, Iqbal Mohmmad Ibrahim Ibrahim Ismail, Abu Jafar Mahmood
An attempt has been taken to decolorize and mineralize Ponceau S (PS), a diazo dye, in aqueous solution by Fenton process. Effects of solution pH, concentrations of H2O2, Fe(II) and PS on the decolorization of PS have also been studied through batch exper... see more
Nurhan Gümrükçüoglu, Miraç Ocak, Zekeriyya Bahadir2, Ümmühan Ocak Ocak
Interaction of 4-(2-hydroxy-1-naphthylmethylamino)-3-methyl-5-(4-tolyl)-4H-1,2,4-triazole with heavy metal cations such as Cu2+, Co2+, Cd2+, Ni2+ and Pb2+ was investigated by using UVvisible spectrophotometric technique. The ... see more
Tajnees Pirzada, Mir Munsif Ali Talpur, Yasmeen Faiz Qazi, Shahid Naseem
This study was conducted to estimate the ground water as well as agriculture soil quality, nutrient status and physico-chemical characteristics of Gambat, District Khairpur, Pakistan. Assorted parameters like temperature, pH, EC, TDS, Cl-, SO42-, HC... see more
Khalida Parveen Mahar, Muhammad Yar Khuhawar, Kulsoom Ubedullah Abbasi, Gulam Qadir Shar, Rafia Azmat, Jameel Ahmed Baig
Seven a-keto acids, pyruvic acid (PYR), 2-oxobutyric acid (KB), 3-methyl-2-oxobutyric acid (MKBA), 3-methyl-2-oxovaleric acid (K3MVA), 4-methyl-2-oxovaleric acid (K4MVA), 2oxoglutaric acid (KG) and Phenyl pyruvic acid (PPY) as derivatives of 2,3-diamino-2... see more
Sakhawat Ali, Naseem Zahra, Zahida Nasreen, Shumaila Usman
Biogas technology is useful technology to produce a renewable, high-quality fuel i.e. biogas. In Rural areas people use biomass fuels (firewood and dried dung) for meeting their energy utilization demands. This demand is fulfilled by deforestation and lan... see more
Shahabuddin Memon, Najma Memon, Sibghatullah Memon
This study explores, adsorption efficiency of p-tert-butylcalix[4]arene based modified silica to remove parathion from aqueous environment. The adsorption parameters, i.e. pH, concentration of pesticide solution, contact time and adsorbent dosage were opt... see more
Ramazan GÜRKAN, Nail ALTUNAY
A new cloud point extraction (CPE) method for the preconcentration of trace iron speciation in natural waters prior to determination by flame atomic absorption spectrometry (FAAS) was developed in the present study. In this method, Fe(II) sensitively and ... see more