Original Articles DEVELOPMENT AND VALIDATION OF A STABILITY INDICATING RP-LC METHOD FOR THE ESTIMATION OF PROCESS RELATED IMPURITIES AND DEGRADATION PRODUCTS OF DULOXETINE HYDROCHLORIDE AND PHTHALIC ACID IN DULOXETINE HYDROCHLORIDE DELAYED RELEASE CAPSULES
Navneet Kumar, D. Sangeetha, Bhupendrasinh Vaghela, P. Sunil Reddy & Anuj Raghav
867
TWO LIQUID CHROMATOGRAPHIC METHODS FOR THE SIMULTANEOUS DETERMINATION OF IBUPROFEN AND METHOCARBAMOL OR CHLORZOXAZONE IN THE PRESENCE OF THEIR DEGRADATION PRODUCTS
Ehab F. Elkady & Marwa A. Fouad
882
DEVELOPMENT AND VALIDATION OF AN UPLC METHOD FOR THE RAPID SEPARATION OF POSITIONAL ISOMERS AND POTENTIAL IMPURITIES OF RIVASTIGMINE HYDROGEN TARTRATE IN DRUG SUBSTANCE AND DRUG PRODUCT
T. Satyanarayana Raju, L. Kalyanaraman, V. Venkat Reddy & P. Yadagiri Swamy
896
FAST ISOLATION OF GINSENOSIDES Re AND Rg1 FROM THE ROOTS OF PANAX GINSENG BY HSCCC-ELSD COMBINED WITH MCI GEL CC GUIDED BY HPLC-MS
Fengqin Chen, Jianguang Luo & Lingyi Kong
912
METHOD DEVELOPMENT FOR DETERMINATION OF CYAZOFAMID IN SOIL AND WATER BY HPLC
Shishir Tandon & Nandita Singh
924
A SIMPLE ISOCRATIC HPLC METHOD FOR THE SIMULTANEOUS DETERMINATION OF ANTIPSYCHOTIC INDOLE ALKALOIDS IN RAUWOLFIA TETRAPHYLLA
Ram Kishore Verma, Shikha Gupta, Madan Mohan Gupta & Santosh Kumar Srivastava
937
SIMULTANEOUS DETERMINATION OF SULFAMETHOXAZOLE AND TRIMETHOPRIM IN RAT PLASMA BY LC-ESI-MS AND ITS APPLICATION TO A PHARMACOKINETIC STUDY
Xianchuan Wang, Yuqing Zhang, Kuiyou Qin, Siyun Nian, Tong Xiao, Qingwei Zhang, Xianqin Wang & Jianshe Ma
951
HPLC DETERMINATION OF AMLODIPINE IN BIOLOGICAL FLIUIDS USING HOLLOW FIBER BASED LIQUID-LIQUID-LIQUID MICROEXTRACTION
Hassan Heidari, Habib Razmi & Abolghasem Jouyban
963
EFFECT OF MOBILE PHASE COMPOSITION AND pH ON HPLC SEPARATION OF RHIZOME OF POLYGONUM BISTORTA
Azeem Intisar, J. Boima Kiazolu, Yun Wang, Lingyi Zhang & Weibing Zhang
977
DISPERSIVE LIQUID-LIQUID MICROEXTRACTION FOLLOWED BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY AS AN EFFICIENT AND SENSITIVE TECHNIQUE FOR THE SIMULTANEOUS DETERMINATION OF ALPRAZOLAM, OXAZEPAM, AND DIAZEPAM IN HUMAN URINE SAMPLES
Mohammad Taghi Vardini, Hossein Ali Mashayekhi & Mohammad Saber-Tehrani
988