Carboxylic acid

slurry. The slurry was then poured into the column and the solvent just about the silica was drained off into a conical flask. To minimize losses, the silica slurry beaker was rinsed with more chloroform and added to the column. Next, a thin layer of acid washed sand (3mm – 4mm) was added to the column. Next, two ‘curcumin soft gels’ was puncture using a scissor and spatula. The soft gels were squeezed and added to a 50 ml beaker with 30 ml of chloroform. The mixture was mixed well and the…

Title: Methylcobaloxime: A Model for Vitamin B12 Aim: To create methyl(pyridine)cobaloxime(III) as a model for methylCobalamin, the methylated form of vitamin B12, Introduction: Using Co(I)Cl2 as a starting material, it is possible to produce a cyano(pyridine)cobaloxime like compound, Chloro(pyridine)cobaloxime whose chemistry can be investigated via means of methylation, as such using the Chloro(pyridine)cobaloxime as a model for replicating chemistry already known of…

Acetic Acid or better known as vinegar is a compound formed by the chemical reaction of carbon, hydrogen and oxygen. The composition of vinegar is acetic acid (C2H4O2) and water. Also, the formula for this compound is CH3COOH. These elements are nonmetals,so the type of bond that this substance made is covalent. Vinegar has many kind of properties and utilization in several ways. For example, it can be use for food preparation, cleaning and health. When added in water it makes an acid…

Enough hydrogen peroxide should be administered in order to degradate the possible intermediates formed such as carboxylic acids and quinones. In order to determinate this, COD was measured. The presence of chlorine ions retarded the degradation of the intermediates while the sulfate ions had the same affectation as the reaction with pure phenol. In the case of 2-chlorophenol…

saturated fatty acids and/or unsaturated fatty acids. The most common saturated fatty acids used in soap are, “lauric acid, myristic acid, palmitic acid and stearic acid” ( Michelle 2014). If a more effective clean is desired then, using a saturated fatty acid is the way to go because they get rid of oils better. Due to this, soaps made up of saturated fatty acids are less prefered for skin because it will take away the natural oils produced by your skin. These saturated fatty acids…

polycondensation of lactic acid is the modest reaction that forms lactide simultaneously by the decomposition processes and it is not used for the large production of PLA [19-22]. Back in the days, the direct polycondensation was assumed as the reaction that produces inadequate polymers with low molecular weight. But with the development of the condensation reaction, it can produce polymers with significantly high molecular weight [23-25]. Oligomer Polycondensation The lactic acid does the…

release tablet. UV spectrophotometric method was developed and validated to study drug release profile of Ketorolac Tromethamine and Phenylephrine Hydrochloride in immediate release tablet. Background: Ketorolac Tromethamine is a pyrrolizine carboxylic acid derivative structurally related to indomethacin. It is an anti inflammatory drug with analgesic and anti pyretic effect. Phenylephrine Hydrochloride is a sympathomimetic amine that acts predominantly…

purpose of this lab was to separate unknown compound 204, composed of an amine, a carboxylic acid, and a neutral component, into each of its three respective states. The unknown compound was separated using microscale separation of acidic, basic, and neutral components by liquid/liquid extraction. Liquid/liquid extraction is a very common method often used in work-ups and allows for isolation of neutral components using acid/base chemistry; this method is extremely helpful in separating…

solution, because it is the source of the Grignard reagent. Because the halide cannot be eliminated, the next best option is to minimize the amount of halide in the reaction. In this experiment, a small concentration of the halide is reacted with a high concentration of magnesium to ensure maximum contact between halides and magnesium. To do this, magnesium will be placed in the round bottom flask and then halides are slowly added. Another potential source of error is that Grignard reagents must…

Unknown 3 3805.79 0.0733 Unknown 4 3396.46 0.9280 Medium N-H stretch Amides, alcohols and amines 5 2987.43 0.2450 Medium C-H stretch Alkanes and acids 6 2946.27 0.2810 Medium C-H stretch Alkanes and acids 7 2912.38 0.2040 Medium C-H stretch Alkanes 8 2834.49 0.3170 Weak C-H stretch Aldehydes and acids 9 2524.07 0.0337 Medium O-H stretch Carboxylic acids 10 2226.40 0.0033 Weak C ≡C stretch Alkynes 11 2043.60 0.0059 Unknown 12 1785.35 0.0104 Unknown 13 1659.54 0.0303 Medium C =C stretch…