Residual Solvents
DEVELOPMENT AND VALIDATION OF A HEADSPACE GAS CHROMATOGRAPHIC METHOD FOR DETERMINATION OF RESIDUAL SOLVENTS FOR FIVE ANTIDEPRESSANT DRUG SUBSTANCES
... method was suited for the intended purpose and can be used for profiling of RSs in different classes of antidepressant drugs. This is the first reported method for 18 residual solvents with high sensitivity ...
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Development and Validation of Static HS-GC Method for the Determination and Quantification of Residual Solvents of Bromhexine Hydrochloride (BHX)
... of residual solvents in drug substances is the mandatory requirement by various health authorities in the ...quantitate residual solvents in bromohexine hydrochloride (BHX) active ...
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“A Review on Recent Developments in the Determination of Residual Solvents by Gas Chromatography” by Juveriya Fatima Siddiqui, Dr.Iffath Rizwana, India.
... esidual solvents in pharmaceutical products are elucidated as organic volatile chemicals which are employed or may be formed during the manufacture process of drug substances or excipients, or during the process ...
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Analysis of Residual Solvents in Annatto Extracts Using a Static Headspace Gas Chromatography Method
... grade solvents as the extraction solvent: methanol, ethanol, 2-propanol, acetone, ethyl acetate, and hexane, and specified residue limits for each solvent in the final products (Table 1) ...four residual ...
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DEVELOPMENT AND VALIDATION OF A HEADSPACE GAS CHROMATOGRAPHIC METHOD FOR THE DETERMINATION OF RESIDUAL SOLVENTS IN LEVETIRACETAM (API)
... Column selection: The primary goal of column selection was to resolve a total of 10 residual solvents (i.e. methanol, ethanol, acetone, isopropyl alcohol, ethyl acetate, cyclohexane, methylethyl ketone, ...
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Novel analytical method development and validation for the determination of residual solvents in amlodipine besylate by gas chromatography
... of Residual solvents (n-Hexane, Methanol, Isopropyl Alcohol, Toluene, O-Xylene, DMF & Acetic acid) in Amoldipine besylate using the DB-FFAP, 30 m x ...All solvents well resolved each other with ...
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Gas Chromatographic Methods for Residual Solvents Analysis
... of residual solvents in ...6 residual solvents viz; methanol, ethanol, acetone, isopropyl alcohol, dichloromethane and ...six solvents within 8 ...simultaneous residual solvent ...
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“A New HSGC-FID Method Development and Validation for the Simultaneous Estimation of Residual Solvents in Ifosfamide” by Juveriya Fatima Siddiqui, Dr. Iffath Rizwana, India.
... of residual solvents present in ifosfamide API through an understanding of the synthetic process, nature of solvents and nature of stationary phases of ...The residual solvents ...
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Static Head Space Gas Chromatographic Method For Quantitative Determination Of Residual Solvents In Canagliflozin API
... reason residual solvents testing become one of the most important parts of quality control in pharmaceuticals and the regulation of residual solvents and methods for residual ...of ...
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DETERMINATION OF RESIDUAL SOLVENTS IN PAROXETINE BY HEADSPACE GAS CHROMATOGRAPHY
... Paroxetine is an antidepressant in a group of drugs called selective serotonin reuptake inhibitors. Paroxetine affects chemicals in the brain that may become unbalanced. Paroxetine (Fig. 1) is used to treat depression, ...
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“A New Validated GC-HS Method for the Determination of Residual Solvents in Famotidine Using FID” by Sunitha.Adepu, R.V.Valli Kumari, G.Tulja Rani, India.
... of residual solvents in Famotidine with FID ...of residual solvents were well separated on ZB-624 column with a chromatographic time course of ...
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REGULATORY ASPECTS FOR IMPURITY PROFILING OF PHARMACEUTICAL PRODUCTS: AN OVERVIEW
... INTRODUCTION: In the present era, there has been an ever increasing interest in impurity profiling in the pharmaceutical industry. This is due to the fact that even trace level of impurities can adversely affect both the ...
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IDENTIFICATION AND QUANTIFICATION OF AN UNKNOWN PEAK IN RESIDUAL SOLVENT ANALYSIS BY GC USING RELATIVE RESPONSE FACTOR
... of residual solvents content in API-A, by head space gas chromatographic technique, an additional peak was observed before methanol peak, with signal to noise ratio (S/N) of ...the solvents used in ...
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RP-HPLC METHOD DEVELOPMENT AND VALIDATION OF AZILSARTAN MEDOXOMIL API AND ITS APPLICATION TO FORCED DEGRADATION STUDIESMadala Anuradha*DOWNLOAD/VIEW
... impurities, residual solvents, excipients such as preservatives, degradation products, extractable and leachable from container and closure or manufacturing process, pesticide in drug product from plant ...
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NOVEL SOLVENTS AND CHIRAL ELECTROPHILES IN BAYLIS- HILLMAN REACTION AND VERSATILE SYNTHETIC PROTOCOLS FOR C-C LINKED DISACCHARIDES AND 3-DEOXY SUGARS
... In conclusion, commercially available aprotic polar organic solvents are introduced as alternate solvents for the facile Baylis-Hillman reaction catalyzed by the standard[r] ...
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SOLVENT EFFECT ON STABILIZATION OF METFORMIN MICRO PARTICLES
... organic solvents were found to play an important role in solubility of the drug particles because the supersaturation could be varied by using different solvents and the physicochemical characteristics of ...
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Environmental factors in multiple sclerosis, focusing exposure to organic solvents
... Lantblom [et al.] compered MS-patients exposed to organic solvents with unexposed MS-patients to see if there was a difference in their metabolization of organic solvents. They investigated the occurrence ...
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Recent progress on deep eutectic solvents in biocatalysis
... organic solvents (water miscible or water immiscible), in the form of co-solvents or second phase, can provide solutions for the above-described challenges to some ...organic solvents face their own ...
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COMPARATIVE DISSOLUTION RATE STUDIES OF PIOGLITAZONE HCL LIQUID SOLID COMPACTS AND SOLID DISPERSION TABLETS
... (non-volatile solvents like propylene glycol (PG) and PEG400) and solid dispersion with PEG4000/ PEG6000 were prepared and the effect of several amounts of them on the dissolution behaviour of Pioglitazone HCl was ...
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values were 180.87 mg·L -1 , 240 mg·L -1 and 275.27 mg·L -1 respectively. The results showed this melanin has a strong antioxidant activity, which suggested that this melanin can be used as a new antioxidant component in medicine or health products.
... extraction, acid hydrolysis, and repeated precipitation with a yield of 8.85 g/100 g (dry weight basis). This melanin was soluble in alkaline solutions of NaOH and ammonia, but insoluble in water, HCl and common organic ...
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