Dictionary of chemical formulas From Wikipedia‚ the free encyclopedia This is a list of chemical compounds with chemical formulas and CAS numbers‚ indexed by formula. This complements alternative listings to be found at list of inorganic compounds‚ list of organic compounds and inorganic compounds by element. Table of contents: A B C Ca-Cu D E F G H I K L M N O P R S T U V W X Y Z & [edit] Tables to be merged Inorganic: A B Ca-Cu G H I L M N O P S Organic: C C2 C3 C4 C5 C6 C7
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also remove residues from glass and porcelain and it can also remove super glue from the skin. Perhaps‚ acetone is very useful in our everyday lives. Acetone is also known to remove ball pen marks on fabrics and clothings. It has ethyl acetate that is said to remove ball pen stains. Most people accidentally rubs ball pen marks on their clothing on a daily basis. The study was done to find out if acetone is more effective and easier to remove ball pen marks on clothings or fabrics
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GAS CHROMATOGRAPHY EXPERIMENT The purpose of this experiment is for the student: 1) to learn the general theoretical aspects of gas chromatography as a separation method‚ 2) to learn how to operate gas chromatographs specific to COD‚ 3) to become familiar with using the gas chromatograph (GC) to qualitatively identify components of mixtures‚ 4) to be introduced to and to interpret the quantitative data available via gas chromatography‚ 5) to gain insight into how the GC technique is used
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component of vinegar (apart from water; vinegar is roughly 8% acetic acid by volume)‚ and has a distinctive sour taste and pungent smell. Besides its production as household vinegar‚ it is mainly produced as a precursor to polyvinylacetate and cellulose acetate. Although it is classified as a weak acid‚ concentrated acetic acid is corrosive‚ and attacks the skin with the chemical formula CH3CO2H (also written as CH3COOH or C2H4O2). It is a colourless liquid that when undiluted is also called glacial acetic
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Professional buisiness wear‚ leotards‚ hosiery‚ casual weat‚ upholstrey‚ window-treatment fabrics Major Modifications and/or associated Trade name(s): -Tencell 100A 3.Fiber Name: Acetate Spinning Method: Dry spun Trade Name(s): Celanese Acetate‚ Celstar Acetate‚ Chromspun Acetate‚ Estron Acetate‚ MicroSafe Acetate Major Advantages: Good body‚ good drape‚ resistant to mildew Major Disadvantages: Poor thermal retention‚ weak when wet‚ low absorbancy‚ poor conductor of electricty‚ poor resiliency
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conditions. This is achieved as a result of the consecutive biochemical breakdown of polymers to methane and carbon dioxide in an environment in which a variety of microorganisms which include fermentative microbes (acidogens); hydrogen-producing‚ acetate-forming microbes (acetogens); and methane-producing microbes (methanogens) harmoniously grow and produce reduced end-products. Anaerobes play important roles in establishing a stable environment at various stages of methane fermentation. Methane
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Experiment 3 Objectives Separation by Solvent Extraction To separate a mixture consisting of a carboxylic acid and a neutral compound by using solvent extraction techniques. Introduction Frequently‚ organic chemists must separate an organic compound from a mixture of compounds‚ often derived from natural sources or products of synthetic reactions. One technique used to separate the mixture compounds is called extraction. Extraction is a process
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elution solution and the column is eluted in increasing order of polarity of solvent from 100 % of extract‚ 25 % of ethyl acetate in hexane‚ 50 % of ethyl acetate in hexane‚ 75 % of ethyl acetate in hexane and 100 % of ethyl acetate. Then the polarity was increased using 2 % Methanol in Ethyl acetate to 50 % Methanol in ethyl acetate. 8 % of methanol and 92 % of ethyl acetate concentration was found to be the best concentration and after concentrating all fractions of these concentrations‚ approximately
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ASA. It is an organic acid anhydride and like most acid anhydrides‚ acetic anhydride is non-polar. Organic acid anhydrides is a organic compound that has 2 acyl groups bonded to the same oxygen atom. It is produced by the carbonylation of methyl acetate. When reacting acetic anhydride with aromatic rings an acid catalyst is usually used to speed up the
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and adsorbent used‚ molecules will experience the interaction during dynamic equilibrium. On a TLC plate‚ capillary tube is used to transfer o- and p- hydroxyacetopheone‚ taking advantage of capillary force to make small spotting. A 30:70 ether acetate: petroleum ether is used as a solvent‚ which will not interact with surface of the silica gel due to a characteristic of non-polar. When they are desorbed‚ that is‚ when there is no interaction between the surface of the silica gel and the molecules
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